Rocky Mountain Herbarium (RM), University of Wyoming
https://rmh.uwyo.edu/data/search.php

Database Search Results

348 matching records found (of 348).
Search query: Genus begins with Oenothera, Species begins with albicaulis, (search polygon not defined)
Sorted by: Scientific Name

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1.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: on the divide between Cottonwood and Horse creeks along Cheyenne River Road and S, ca 39.5 air mi SW of Newcastle.  Elev. 4360-4540 ft.
T42N R67W S34.  43.5726 N, 104.8904 W; uncertainty 1 mi..  
Mosaic of sagebrush-sedge-grassland. Phenology: flowering. 

B. E. Nelson, 56430.  6/9/2002. 		RM 
     with Peter Ebertowski
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2.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: along Rochelle Hills or Forest Road 933 above Sauerkraut Draw, ca 52.5 air mi NNE of Douglas; ca 20 air mi NNEof Bill.  Elev. 4520-4580 ft.
T40N R68W S5 N1/2.  43.4706 N, 105.0507 W; uncertainty 1 mi..  
Sagebrush and grasslands. Phenology: flowering. 

B. E. Nelson, 56553.  6/9/2002. 		RM 
     with Peter Ebertowski
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3.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: on the divide between Lake and Meadow creeks and to the W, ca 14 air mi NE of Bill; ca 46 air mi NNE of Douglas.  Elev. 4540-4640 ft.
T39N R68W S6 SW1/4; also NW1/4 S7 and T39N R69W SE1/4 S1.  43.3844 N, 105.0706 W; uncertainty 1 mi..  
Clay slopes with scattered sagebrush, greasewood, and grassy areas. Phenology: flowering & fruiting. 

B. E. Nelson, 56629.  6/11/2002. 		RM 
     with Peter Ebertowski
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4.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: between a tributary of Dugout Creek and the railroad tracks, ca 2.5 air mi E of Wyo Hwy 59, ca 41.5 air mi N of Douglas; ca 9 air mi NNW of Bill.  Elev. 4650-4680 ft.
T39N R71W S13 W1/2.  43.3557 N, 105.3303 W; uncertainty 1 mi..  
Sagebrush on sandy clay areas with sandy patches. Phenology: flowering & fruiting. 

B. E. Nelson, 57046.  6/16/2002. 		RM 
     with Peter Ebertowski
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5.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Cow Camp on Buck Creek, off of Forest Road 926, ca 25 air mi E of Wright; ca 41 air mi WSW of Newcastle.  Elev. 4400-4500 ft.
T44N R68W S27 E1/2.  43.7568 N, 105.0101 W; uncertainty 1 mi..  
Sagebrush/grassland. Phenology: flowering & fruiting. 

Peter J. Ebertowski, 276.  6/20/2002. 		RM 
     with B. E. Nelson
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6.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge between Wildlife Draw and Rock Creek near intersection of Forest roads 923 and 924, ca 30 air mi E of Wright; ca 34 air mi W of Newcastle.  Elev. 4560-4720 ft.
T44N R67W S27.  43.7568 N, 104.8904 W.  
Grassland with rocky outcrops and broad ravines. Phenology: flowering. 

Peter J. Ebertowski, 3757.  5/25/2003. 		RM 
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7.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge and ravines E of Fields Draw, off dirt road, ca 34 air mi ESE of Wright; ca 32 air mi WSW of Newcastle.  Elev. 4360-4460 ft.
T43N R66W S30 SE1/4.  43.6718 N, 104.8306 W.  
Broad ravine in grassland. Phenology: flowering. 

Peter J. Ebertowski, 3801.  5/25/2003. 		RM 
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8.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills around gravel pit on two-track road off of School Creek or Forest Road 968, ca 17 air mi SE of Wright; ca 42 air mi SSE of Gillette.  Elev. 4660-4780 ft.
T42N R69W S6 NE1/4.  43.6434 N, 105.1896 W.  
Low drainage area in grassland. Phenology: flowering. 

Peter J. Ebertowski, 3882.  5/27/2003. 		RM 
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9.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: badlands ca 1 mi NW of Soda Well, on Forest Road 1247B, ca 31 air mi NNE of Gillette; ca 34 air mi NNW of Moorcroft.  Elev. 3860-4100 ft.
T55N R70W S33 W1/2.  44.7026 N, 105.2785 W.  
Sagebrush grassland, with ravines containing ponderosa pine and Rocky Mountain juniper. Phenology: flowering & fruiting. 

Peter J. Ebertowski, 4071.  5/30/2003. 		RM 
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10.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: hills forming southwest portion of Archie Draw on Forest Road 962, ca 13 air mi ENE of Bill; ca 26 air mi NW of Lance Creek.  Elev. 4750-4850 ft.
T38N R68W S10 E1/2.  43.2839 N, 105.0107 W.  
Broad grassy ravine dominated by Poa pratensis and Thermopsis rhombifolia. Phenology: flowering & fruiting. 

Peter J. Ebertowski, 4165.  6/2/2003. 		RM 
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11.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: grassland S of Middle Creek on County Road 45, ca 18 air mi E of Bill; ca 46 air mi SE of Wright.  Elev. 4450-4500 ft.
T38N R67W S16 E1/2.  43.2695 N, 104.9109 W.  
Clay/silt soil on slope above creek. Phenology: flowering & fruiting. 

Peter J. Ebertowski, 4184.  6/2/2003. 		RM 
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12.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: ridge along Lodgepole Creek on Cheyenne River or County Road 54, ca 24 air mi SW of Newcastle; ca 52 air mi ESE of Wright.  Elev. 4120-4220 ft.
T42N R64W S35 South1/2.  43.5726 N, 104.5114 W.  
Carex filifolia grassland. Phenology: flowering. 

Peter J. Ebertowski, 4367.  6/6/2003. 		RM 
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13.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Lake Creek on County Road 38, ca 10 air mi NE of Bill; ca 35 air mi SE of Wright.  Elev. 4600-4680 ft.
T39N R69W S23 W1/2.  43.3413 N, 105.1106 W.  
Sagebrush grassland with  yucca patches and clay balds. Phenology: flowering & fruiting. 

Peter J. Ebertowski, 4799.  6/14/2003. 		RM 
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14.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Niobrara County: Thunder Basin National Grassland and Vicinity: hills between Snyder and Dogie creeks, on North Lance Creek or County Road 14, ca 43 air mi SW of Newcastle; ca 25 air mi NNW of Lance Creek.  Elev. 4400-4480 ft.
T39N R66W S3 SE1/4.  43.3838 N, 104.7625 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Sagebrush grassland. Phenology: flowering & fruiting. 

Peter J. Ebertowski, 4846.  6/14/2003. 		RM 
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15.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: hills S of and draining to West Fork Fiddler Creek on Upton - Fairview or County Road 59, ca 11 air mi S of Upton; ca 22 air mi WNW of Newcastle.  Elev. 4280-4400 ft.
T46N R65W S27 SE1/4.  43.9359 N, 104.651 W.  
Swale of sagebrush grassland. Phenology: flowering & fruiting. 

Peter J. Ebertowski, 5034.  6/18/2003. 		RM 
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16.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: hills W of Little Powder River on Wyo Hwy 59, ca 7 air mi S of Montana; ca 43 air mi N of Gillette.  Elev. 3500-3560 ft.
T57N R71W S27 SE1/4.  44.9018 N, 105.3855 W.  
Stipa comata grassland in sandy soil, Opuntia ubiquitous. Phenology: flowering. 

Peter J. Ebertowski, 5177.  6/20/2003. 		RM 
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17.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: flat off Wyo Hwy 59, ca 1.7 air mi NW of Bill; ca 35 air mi N of Douglas.  Elev. 4730-4760 ft.
T38N R70W S20.  43.2552 N, 105.2903 W.  
Sagebrush grassland, with sandy soil and abundant Opuntia. Phenology: flowering & fruiting. 

Peter J. Ebertowski, 5431.  6/27/2003. 		RM 
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18.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Belle Fourche River off Hilight or County Road 52, ca 16 air mi N of Wright; ca 22 air mi S of Gillette.  Elev. 4550-4620 ft.
T46N R71W S9 South1/4.  43.978 N, 105.3949 W.  
Sagebrush grassland. Phenology: flowering & fruiting. 

Peter J. Ebertowski, 5570.  6/27/2003. 		RM 
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19.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Mush Creek Oil Field W of Coyote Draw, on two-track road off of Wyo Hwy 450, ca 14 air mi WSW of Newcastle; ca 23 air mi SSE of Upton.  Elev. 4210-4310 ft.
T44N R64W S24 NW1/4.  43.7709 N, 104.4915 W.  
Grassland, Carex filifolia and Stipa comata abundant. Phenology: flowering & fruiting. 

Peter J. Ebertowski, 5757.  7/1/2003. 		RM 
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20.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: low hills N of Little Thunder Creek and Hansen Draw, on gravel road near gas processing plant, ca 21 air mi E of Wright; ca 44 air mi W of Newcastle.  Elev. 4560-4700 ft.
T43N R69W S24.  43.6859 N, 105.0899 W.  
Sagebrush grassland, Bouteloua gracilis abundant. Phenology: flowering & fruiting. 

Peter J. Ebertowski, 5846.  7/1/2003. 		RM 
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21.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: grassland SE of Reed and Bruce draws, on Dull Center or County Road 38, ca 5.5 air mi NE of Bill; ca 37 air mi NNE of Douglas.  Elev. 4710-4760 ft.
T38N R69W S17 N1/2.  43.2695 N, 105.1705 W.  
Sagebrush grassland, Elymus smithii and Bouteloua gracilis abundant. Phenology: flowering & fruiting. 

Peter J. Ebertowski, 6044.  7/5/2003. 		RM 
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22.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: washes W of and draining to Bobcat Creek, on Forest Road 958, ca 10 air mi E of Bill; ca 37 air mi NNE of Douglas.  Elev. 4600-4680 ft.
T38N R68W S30 SE1/4.  43.2408 N, 105.0706 W.  
Sagebrush grassland with scattered greasewood. Phenology: flowering & fruiting. 

Peter J. Ebertowski, 6076.  7/5/2003. 		RM 
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23.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Cow Creek Buttes along and including Owl Creek, on four wheel drive road off Forest Road 958, ca 15 air mi E of Bill; ca 39 air mi NNE of Douglas.  Elev. 4500-4800 ft.
T38N R67W S30 SW1/4.  43.2408 N, 104.9508 W.  
Sagebrush grassland, Bouteloua gracilis abundant. Phenology: flowering & fruiting. 

Peter J. Ebertowski, 6132.  7/5/2003. 		RM 
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24.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: TA Buttes on two-track road off Union Chapel Road, ca 6 air mi SE of Gillette; ca 4.5 air mi S of Wyodak.  Elev. 4560-4800 ft.
T49N R71W S16.  44.2234 N, 105.3987 W.  
Mosaic of sagebrush grassland and grassland. Phenology: flowering & fruiting. 

Peter J. Ebertowski, 6507b.  7/11/2003. 		RM 
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25.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Arizona, Coconino County: Sitgreaves National Forest: Forest Road 34 (continuation of Ariz Hwy 99) at Forest Road 75, ca 68 air mi SSW of Winslow.  Elev. 7358 ft.
T13N R13E S34.  34.4676 N, 110.9572 W; GPS Reading.  
Roadside and adjacent ponderosa pine understory. Phenology: flowering & fruiting. 

Ronald L. Hartman, 79865.  8/22/2004. 		RM 
_________________________________________________________________________

26.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Arizona, Yavapai County: Kaibab National Forest: along Johnson Creek and adjacent areas just W of Ariz Hwy 89, ca 1.5 air mi S of Ash Fork.  Elev. 5080-5100 ft.
T21N R2W S14 SW1/4.  35.1996 N, 112.4744 W; GPS Reading.  
Open areas among juniper. Phenology: flowering & fruiting. 

B. E. Nelson, 63978.  4/23/2005. 		RM 
     with James F. Fowler
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27.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Arizona, Greenlee County: Apache National Forest: just W of Horton Creek and S of Forest Road 26, ca 1.5 air mi SSE of Sprucedale; ca 28.5 air mi S of Springerville.  Elev. 7700 ft.
T4N R29E S2 SW1/4.  33.7195 N, 109.3201 W; GPS Reading.  
Moist, open ponderosa pine or ponderosa pine/Douglas fir forest. Phenology: flowering. 

B. E. Nelson, 67239.  9/21/2005. 		RM 
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28.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: ridge and sandstone outcroppings N of Upper Cottonwood Creek Road, ca 28 mi NW of Thermopolis.  Elev. 5200 ft.
T45N R97W S32.  43.8211 N, 108.52 W; uncertainty 1 mi..  
Sagebrush-grassland with Bouteloua gracilis, Bromus tectorum, and Sarcobatus vermiculatus. Phenology: flowering. 

Erwin F. Evert, 33024.  6/21/1997. 		RM 818432	Barcode: RM0020810
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29.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Arizona, Coconino County: Kaibab National Forest: Barney Flat at the intersection of Forest Road 108 and County Road 73, ca 6 air mi S of Williams.  Elev. 7010 ft.
T21N R2E S26 SW1/4.  35.1643 N, 112.1576 W.  
Forb meadow and adjacent roadside. Phenology: flowering & fruiting. 

B. E. Nelson, 69856.  8/24/2006. 		RM 
     with James F. Fowler
_________________________________________________________________________

30.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Arizona, Navajo County: Sitgreaves National Forest: Mogollon Plateau: Wildcat Canyon above Forest Road 504, ca 10.5 air mi NW of Heber; ca 25.5 air mi S of Winslow.  Elev. 6470-6540 ft.
T14N R15E S2 SW1/4.  34.5402 N, 110.7284 W to 34.5431 N, 110.7294 W.  
Canyon bottom, walls, and slopes on limestone. Phenology: flowering & fruiting. 

B. E. Nelson, 70057.  8/25/2006. 		RM 
     with James F. Fowler, Brian Reif
_________________________________________________________________________

31.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: 2.5 road mi at Colo Hwy 17.  Elev. 8300 ft.
T33N R7E S35 South1/4; also South1/2 S36.  37.0537 N, 106.1822 W.  
Roadside. Phenology: flowering. 

Ronald L. Hartman, 77405.  6/18/2003. 		RM 
     with Jeanette Flaig
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32.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: SE of Terrace Reservoir, 21 air mi SSW of Monte Vista.  Elev. 8476 ft.
T36N R6E S24.  37.3533 N, 106.2752 W; GPS Reading.  
Pinyon pine woodland with rock outcrops near ridge. Phenology: flowering. 

Jeanette Flaig, 3268.  5/24/2004. 		RM 
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33.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: just N of Hot Creek State Wildlife Area and E of Ojito Creek and Piedrosa Canyon, 5 air mi ENE of Centro.  Elev. 8361 ft.
T35N R5E S5.  37.3005 N, 106.2236 W; GPS Reading.  
Northeast-facing slope in juniper/pinyon woodland with rock outcrops in thin rocky soil. Phenology: flowering. 

Jeanette Flaig, 4198.  6/15/2004. 		RM 
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34.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Limekiln Peak, Old Spanish Trail, Limekiln, SW of Sevenmile Plaza, 7.5 air mi SE of Del Norte.  Elev. 8455 ft.
T39N R6E S23; also NW1/4 of NW1/4 S24; also NE1/4 S27.  37.6183 N, 106.2805 W; GPS Reading.  
Summit of rocky knob and roadside. Phenology: flowering & fruiting. 

Jeanette Flaig, 5179.  7/5/2004. 		RM 
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35.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Limekiln Peak, Old Spanish Trail, Limekiln, SW of Sevenmile Plaza, 7.5 air mi SE of Del Norte.  Elev. 8455 ft.
T39N R6E S23; also NW1/4 of NW1/4 S24; also NE1/4 S27.  37.6183 N, 106.2805 W; GPS Reading.  
Summit of rocky knob and roadside. Phenology: flowering & fruiting. 

Jeanette Flaig, 5181.  7/5/2004. 		RM 
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36.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Arizona, Apache County: Apache National Forest: White Mountains: along Benny Creek, ca 1 air mi W of south end of Greer, ca 14.5 air mi SW of Springerville.  Elev. 9050-9140 ft.
T7N R27E S15 E1/2.  34.0009 N, 109.4781 W.  
Roadside. Phenology: flowering & fruiting. 

B. E. Nelson, 70889.  9/3/2006. 		RM 
     with James F. Fowler
_________________________________________________________________________

37.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Arizona, Apache County: Apache National Forest: north end of C C Flat on Forest Road 61, ca 12.5 air mi W of Springerville.  Elev. 8780-8800 ft.
T9N R26E S31 SW1/4.  34.1283 N, 109.6359 W.  
Open ponderosa forest and adjacent meadow. Phenology: flowering & fruiting. 

B. E. Nelson, 70917.  9/4/2006. 		RM 
     with James F. Fowler
_________________________________________________________________________

38.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Arizona, Coconino County: Coconino National Forest: Rim Road at edge of Mogollon Rim, just W of intersection with Buck Springs Road.  Elev. 7800 ft.
T12N R11E S26 NW1/4; also NE1/4 S27.  34.4034 N, 111.1682 W.  
Burned rim area, formerly ponderosa pine, flats and upper slopes. Phenology: flowering & fruiting. 

Ronald L. Hartman, 83869.  9/13/2006. 		RM 
     with James F. Fowler
_________________________________________________________________________

39.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Arizona, Coconino County: Coconino National Forest: cattle loading pens across from Limestone Ranch turnoff (Forest Road 137).  Elev. 7300 ft.
T13N R12E S30 NW1/4.  34.4906 N, 111.1237 W.  
Disturbed area. Phenology: flowering & fruiting. 

Ronald L. Hartman, 83918.  9/13/2006. 		RM 
     with James F. Fowler
_________________________________________________________________________

40.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Arizona, Navajo County: Sitgreaves National Forest: Black Canyon along Forest Road 86, ca 5.5 air mi SW of Heber.  Elev. 6800 ft.
T11N R16E S9.  34.3684 N, 110.6447 W; uncertainty 0.25 mi..  
Stream bottom. Phenology: fruiting. 

Ronald L. Hartman, 84765.  9/21/2006. 		RM 
_________________________________________________________________________

41.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Arizona, Graham County: Graham Mountains.  Elev. 5000-9000 ft.
T9S R24E S14.  
Phenology: flowering. 

Aven Nelson, 1624.  4/24/1935. 		RM 172540
     with Ruth A. Nelson
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42.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Arizona, Yavapai County: 5 mi N of Cottonwood; near the Verde Valley.  Elev. 3900 ft.
Sandy soil. Phenology: flowering. 

C. L. Porter, 2803.  3/21/1941. 		RM 187114
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43.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Arizona, Coconino County: Northern Arizona; Cedar Ranch.  Elev. 6500 ft.
T25N R6E S18.  
Phenology: flowering. 

D. T. MacDougal, 10864.  6/11/1891. 		RM 2810
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44.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Dona Ana County: Mesilla Valley.  Elev. 3700-5900 ft.
Phenology: flowering. 

E. O. Wooton, 12575.  4/26/1905. 		RM 58703
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45.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 4.5 air mi SSE of Scenic on Forest Road 7172, near the Cheyenne River.  Elev. 2900 ft.
T4S R14E S7 NW1/4.  43 43.17' N, 102 29.81' W; GPS Reading.  
On revegetated and stabilized sand dunes of the river. Phenology: flowering. 

Grace M. Kostel, 1072.  6/1/2004. 		RM 
_________________________________________________________________________

46.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 17-17.5 air mi SE of Hermosa and 1.5-2 mi NNW of Red Shirt and 1-1.5 mi W of SD Hwy 40.  Elev. 2800-2950 ft.
T4S R10E S22; NE1/4.  43 41.63' N, 102 54.4' W; GPS Reading.  
In draws and on ridge tops. Phenology: flowering. 

Grace M. Kostel, 2773.  6/25/2004. 		RM 
_________________________________________________________________________

47.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 14.5-15 air mi SE of Hermosa and 2.4 mi N of County Road 18.  Elev. 2800-3100 ft.
T4S R9E S24 N1/2; also SE1/4 S13.  43 42.14' N, 103 0.3' W to 43 41.27' N, 102 58.1' W to 43 41.52' N, 102 58.76' W; GPS Reading.  
Butte rock slopes and top. Phenology: flowering. 

Grace M. Kostel, 3301.  7/2/2004. 		RM 
_________________________________________________________________________

48.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Fall River County: Buffalo Gap National Grassland and Vicinity: side drainage of Moss Agate Creek, ca 5 air mi NW of Edgemont.  Elev. 3800 ft.
T8S R1E S8 SE1/4.  43.3633 N, 104.0205 W; GPS Reading.  
Ungrazed drainage; soils on side slopes are gravelly, rocky, and loose; soils in bottom are deep, moist loam. Phenology: flowering. 

Grace M. Kostel, 4849.  10/13/2003. 		RM 
_________________________________________________________________________

49.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 21-22 air mi NNW of Crawford and 1-2 mi E of Hat Creek Road on Forest Road 925.  Elev. 3650-3700 ft.
T34N R54W S11 N1/2; also W1/4 S3.  42.938 N, 103.649 W to 42.948 N, 103.665 W; GPS Reading.  
In prairie dog town with soil ranging from sand, silt to clay. Phenology: flowering. 

Grace M. Kostel, 920.  5/30/2004. 		RM 
_________________________________________________________________________

50.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 19.5-20 air mi SSW of Wall.  Elev. 2650-2700 ft.
T4S R15E S10 W1/2.  43 42.723' N, 102 18.929' W; GPS Reading.  
On a mesa top and northeast facing slopes, soils are sand. Phenology: flowering. 

Grace M. Kostel, 5017.  5/27/2005. 		RM 
_________________________________________________________________________

51.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 13 air mi SW of Wall and 3/4 mi E of Sage Creek Road in Bear Creek.  Elev. 2924 ft.
T3S R13E S12 SE1/4.  43 47.71' N, 102 30.5' W; GPS Reading.  
Deep white-clay drainage. Phenology: flowering. 

Grace M. Kostel, 5078.  5/28/2005. 		RM 
_________________________________________________________________________

52.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 1 air mi SSE of Wall and adjacent to the Badlands National Park boundary line fence.  Elev. 3000-3050 ft.
T2S R16E S8 N1/2.  43 53.23' N, 102 13.81' W; GPS Reading.  
Badlands cliffs; upland soils are of clay loam with cliff edges eroding into clay layers. Phenology: flowering. 

Grace M. Kostel, 5201.  5/30/2005. 		RM 
_________________________________________________________________________

53.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: Indian Creek Wilderness Area: ca 6 air mi due W of Scenic.  Elev. 2823 ft.
T3S R12E S22 NW1/4.  43 46.63' N, 102 40.19' W; GPS Reading.  
On rock and gravel strewn clay buttes in red bed soils of iron and magnesium. Phenology: flowering. 

Grace M. Kostel, 5325a.  6/1/2005. 		RM 
_________________________________________________________________________

54.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 6-6.5 air mi SE of Wall.  Elev. 2720 ft.
T2S R16E S3 W1/2.  43 55.204' N, 102 9.61' W; GPS Reading.  
On a flat mesa top strewn with rock having a water filled closed depression on summit. Phenology: fruiting. 

Grace M. Kostel, 7304.  6/22/2005. 		RM 
_________________________________________________________________________

55.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Quay County: Nara Visa.  Elev. 4200 ft.
Phenology: flowering. 

George L. Fisher, 2229.  5/5/1911. 		RM 92336
_________________________________________________________________________

56.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Forest Road 556, ca 3.5 air mi SE of Ojo Caliente.  Elev. 6450 ft.
T24N R9E S28; also NW1/4 S33.  36.2777 N, 105.9871 W; GPS Reading.  
Pinyon/juniper woodland. Phenology: flowering & fruiting. 

Jill E. Larson, 1094.  6/15/2005. 		RM 943462	Barcode: RM0124788
_________________________________________________________________________

57.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Cerro Azul, Forest Road 157, ca 5.5 air mi S of Taos Junction.  Elev. 7150 ft.
T24N R10E S29.  36.2902 N, 105.3892 W; GPS Reading.  
Sandy flats with pinyon/juniper and northeast aspect of rocky slope. Phenology: flowering. 

Jill E. Larson, 246.  5/28/2005. 		RM 943465	Barcode: RM0124791
_________________________________________________________________________

58.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Canada de los Commanches, ca 4 air mi E of La Madera.  Elev. 6850 ft.
T25N R9E S23 South 1/2; also N1/2 S26.  36.3781 N, 105.9508 W; GPS Reading.  
Sagebrush flats, side drainage and mesa top with pinyon/juniper woodland. Phenology: flowering & fruiting. 

Jill E. Larson, 301.  5/28/2005. 		RM 943464	Barcode: RM0124790
_________________________________________________________________________

59.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Forest Road 106 near Borracho Ranger Station, ca 1.5 air mi W of Vallecitos.  Elev. 7500-7900 ft.
T26N R7E S12 E1/2; also T26N R8E S7 South 1/2.  36.4954 N, 106.1361 W; GPS Reading.  
Pinus ponderosa forest and canyon bottom. Phenology: flowering & fruiting. 

Jill E. Larson, 825.  6/7/2005. 		RM 943463	Barcode: RM0124789
_________________________________________________________________________

60.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: La Junta Campground above Rio Grande and down switch backs to Rio Grande.  Elev. 6600-7400 ft.
T28N R12E S17 South1/4; also N1/4 S20.  36.6554 N, 105.6869 W to 36.6486 N, 105.6954 W; GPS Reading.  
Southwest exposure, rocky to rim rock with bench below. Phenology: flowering. 

Ronald L. Hartman, 80596.  5/18/2005. 		RM 943461	Barcode: RM0124787
     with Jill E. Larson
_________________________________________________________________________

61.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: U.S. Hwy 285, ca 3.5 air mi NE of Ojo Caliente.  Elev. 6400-6500 ft.
T24N R9E S8; also S5.  36.3308 N, 106.0051 W; GPS Reading.  
Sandy wash and slopes. Phenology: flowering. 

Ronald L. Hartman, 81084.  5/27/2005. 		RM 943460	Barcode: RM0124786
     with Jill E. Larson
_________________________________________________________________________

62.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: U.S. Hwy 285, ca 3.5 air mi NE of Ojo Caliente.  Elev. 6400-6500 ft.
T24N R9E S8; also S5.  36.3308 N, 106.0051 W; GPS Reading.  
Sandy wash and slopes. Phenology: flowering. 

Ronald L. Hartman, 81114.  5/27/2005. 		RM 943459	Barcode: RM0124785
     with Jill E. Larson
_________________________________________________________________________

63.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Catron County: Datil National Forest: Mangas Ranger Station pasture.  Elev. 7600 ft.
T2S R15W S36.  
Level slope; sandy loam soil. Phenology: flowering. 

J. N. Kimmel, 32.  8/6/1924. 		USFS 518358
_________________________________________________________________________

64.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: ca 2 air mi SSE of Uravan.  Elev. 5600 ft.
T47N R17W S10; also S11.  38.3433 N, 108.7313 W.  
On Morrison and Dakota formation, slopes and mesa top, with pinyon, juniper, Astragalus rafaelensis and A. lonchocarpos. Phenology: flowering. 

Margarette J. Lyon, 1067.  5/20/1993. 		 
_________________________________________________________________________

65.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, San Miguel County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: Sunshine Mesa and South Fork of San Miguel River, on old railroad grade.  Elev. 9000 ft.
T42N R9W S19; also S29 and S30.  37.8864 N, 107.9027 W.  
In aspen, Douglas fir and spruce forest. Phenology: flowering & fruiting. 

Margarette J. Lyon, 2566.  8/14/1993. 		 
_________________________________________________________________________

66.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Dolores River Drainage: east side of Dolores River, ca 0.5 mi NW of Gateway.  Elev. 4600 ft.
T51N R19W S16 NE1/4.  38.6849 N, 108.9885 W.  
Sandy, southwest-facing slopes with Sarcobatus and Atriplex. Phenology: flowering. 

Margarette J. Lyon, 2649.  4/11/1994. 		 
     with Lynn Moore
_________________________________________________________________________

67.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Utah, Grand County: San Miguel and Lower Dolores River Drainages: Dolores River Drainage: Dewey: confluence of Dolores and Colorado Rivers.  Elev. 4100 ft.
T23S R24E S8; also S9.  38.8193 N, 109.2871 W.  
Roadside on red sandy soils and slickrock. Phenology: flowering & fruiting. 

Margarette J. Lyon, 2708.  5/6/1994. 		 
_________________________________________________________________________

68.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Utah, Grand County: San Miguel and Lower Dolores River Drainages: Dolores River Drainage: Dewey: confluence of Dolores and Colorado Rivers.  Elev. 4100 ft.
T23S R24E S8; also S9.  38.8193 N, 109.2871 W.  
Roadside on red sandy soils and slickrock. Phenology: flowering. 

Margarette J. Lyon, 2714.  5/6/1994. 		 
_________________________________________________________________________

69.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Montrose County: San Miguel and Lower Dolores River Drainages: roadside.  Elev. 5100 ft.
T48N R18W S8.  38.431 N, 108.8791 W.  
Riparian area with Populus angustifolia, Populus acuminata, and Populus deltoides. Phenology: flowering. 

Margarette J. Lyon, 2802.  5/9/1994. 		 
_________________________________________________________________________

70.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Dolores River Drainage: bench NE of the Dolores River.  Elev. 4800 ft.
T15S R104W S16.  38.7477 N, 109.0249 W.  
With Coleogyne and Lepidium. Phenology: flowering. 

Margarette J. Lyon, 3068.  5/13/1994. 		 
_________________________________________________________________________

71.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Dolores River Drainage: bench NE of the Dolores River.  Elev. 4800 ft.
T15S R104W S16.  38.7477 N, 109.0249 W.  
With Coleogyne and Lepidium. Phenology: flowering. 

Margarette J. Lyon, 3071.  5/13/1994. 		 
_________________________________________________________________________

72.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Wildcat Trail #640, S from Colo Hwy 141; ca 1 air mi W of Unaweep Divide.  Elev. 7200 ft.
T15S R101W S3.  38.7769 N, 108.669 W.  
With oak, pinyon, juniper, sage, and mountain mahogany. Phenology: flowering. 

Margarette J. Lyon, 3209.  5/16/1994. 		 
_________________________________________________________________________

73.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Montrose County: San Miguel and Lower Dolores River Drainages: Sawtooth Ridge, ca 3.5 air mi W of Naturita.  Elev. 6000 ft.
T46N R16W S21.  38.2263 N, 108.639 W.  
Disturbed area with pinyon, juniper, Artemisia nova, Hymenoxys, and Stenotus. Phenology: flowering. 

Margarette J. Lyon, 3365.  5/20/1994. 		 
_________________________________________________________________________

74.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Utah, Grand County: San Miguel and Lower Dolores River Drainages: Buckhorn Draw.  Elev. 4600 ft.
T14S R24E S36.  39.5558 N, 109.1791 W.  
Stream bed in dry, sandy wash with pinyon and juniper. Phenology: flowering & fruiting. 

Margarette J. Lyon, 3491.  5/26/1994. 		 
_________________________________________________________________________

75.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: ca 0.2 mi NW of Gateway Community Center.  Elev. 4595 ft.
T51N R19W S15.  38.6849 N, 108.97 W.  
Sandy soils with Atriplex, Sarcobatus, Abronia and Opuntia. Phenology: flowering & fruiting. 

Margarette J. Lyon, 3549.  5/31/1994. 		 
_________________________________________________________________________

76.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Uncompahgre Plateau: Columbine Pass.  Elev. 7000 ft.
T50N R19W S9.  38.6122 N, 108.9885 W.  
With Artemisia, juniper, and pinyon on dry, sandy soils. Phenology: flowering & fruiting. 

Margarette J. Lyon, 4953.  6/23/1994. 		 
_________________________________________________________________________

77.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Uncompahgre Plateau: mesa.  Elev. 8200 ft.
T15S R101W S13.  38.7477 N, 108.6316 W.  
Mesa with ponderosa pine and aspen. Phenology: flowering. 

Margarette J. Lyon, 5602.  7/8/1994. 		 
_________________________________________________________________________

78.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Uncompahgre Plateau.  Elev. 8870 ft.
T51N R16W S13.  38.6849 N, 108.6004 W.  
Mesa with Artemisia and widely scattered pinyon and ponderosa. Phenology: flowering. 

Margarette J. Lyon, 7600.  8/20/1994. 		 
_________________________________________________________________________

79.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, San Miguel County: Upper Dolores River Drainage and Adjacent Areas: small unnamed canyon, W of Slick Rock gas station, off County Road  Elev. 1750 m.
T44N R19W S36 N1/2; S9, ca 44 air mi SW of Nucla .  38.0314 N, 108.9109 W.  
Pinyon-juniper zone with Rosa, Ephedra and Cercocarpus in cryptogamic soil; rimrock pavement and sandstone. Phenology: flowering. 

Lynn Marie Moore, 1482.  5/9/1994. 		 708611
     with Marie Rambo
_________________________________________________________________________

80.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: ca 21 air mi NNW of Cortez, adjacent to Hovenweep National Monument; bike trail off County Road 10, NE of Square Tower Ruins.  Elev. 1700 m.
T37N R20W S26 SE1/4.  37.4352 N, 109.0211 W.  
Pinyon-juniper zone with antelope brush and Artemisia in cryptogamic soil and rimrock pavement. Phenology: flowering & fruiting. 

Lynn Marie Moore, 1533.  5/11/1994. 		 708679
     with Marie Rambo
_________________________________________________________________________

81.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: Paradox Valley Area, ca 16 air mi W of Nucla on Davis Mesa along County Road DD16.  Elev. 6100-6400 ft.
T47N R18W S35; also S34; also T46N R18W S2.  38.2848 N, 108.8237 W.  
Pinyon-juniper, Cercocorpus, Amelanchier, sagebrush, cryptogrammic soil on a north-facing slope. Phenology: flowering. 

Lynn Marie Moore, 4211.  5/21/1995. 		 714653
_________________________________________________________________________

82.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: ca 18 air mi W of Nucla at Bedrock Boat Launch along Dolores River, County Road Y9.  Elev. 5200 ft.
T47N R18W S30.  38.2994 N, 108.8976 W.  
Along canyon walls and washes on east facing slopes with pinyon-juniper. Phenology: flowering. 

Lynn Marie Moore, 4282.  5/21/1995. 		 714654
_________________________________________________________________________

83.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: Island Mesa, unmarked road just N of the county line, ca 24 air mi SW of Nucla.  Elev. 6800 ft.
T47N R18W S30.  38.2994 N, 108.8976 W.  
Pinyon-juniper, Ephedra, Yucca, and Purshia on a northeast facing slope and ridge top. Phenology: flowering. 

Lynn Marie Moore, 4443.  5/25/1995. 		 714669
_________________________________________________________________________

84.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, San Miguel County: Upper Dolores River Drainage and Adjacent Areas: ca 19 air mi SW of Naturita in Disappointment Valley, W of Nicholas Wash, north-side of Colo. Hwy 141.  Elev. 5700 ft.
T44N R18W S27.  38.0459 N, 108.8375 W.  
Artemisia, Atriplex, and Stipa on southeast facing slopes. Phenology: flowering. 

Lynn Marie Moore, 5042.  6/6/1995. 		 714670
_________________________________________________________________________

85.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, San Miguel County: Upper Dolores River Drainage and Adjacent Areas: ca 19 air mi SW of Naturita in Disappointment Valley, W of Nicholas Wash, north-side of Colo. Hwy 141.  Elev. 5700 ft.
T44N R18W S27.  38.0459 N, 108.8375 W.  
Artemisia, Atriplex, and Stipa on southeast facing slopes. Phenology: flowering. 

Lynn Marie Moore, 5062.  6/6/1995. 		 714655
_________________________________________________________________________

86.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Montrose County: Upper Dolores River Drainage and Adjacent Areas: ca 18 air mi NW of Naturita, ca 2.5 air mi S of Bedrock, east-side of Dolores River Canyon.  Elev. 5000 ft.
T47N R19W S31.  38.2848 N, 109.0084 W.  
Pinyon-juniper, Artemesia, and Fendlera on the east facing slope of the west side of the canyon. Phenology: flowering. 

Lynn Marie Moore, 5496.  6/17/1995. 		 714656
_________________________________________________________________________

87.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Dolores County: Upper Dolores River Drainage and Adjacent Areas: ca 4 air mi NE of Dove Creek near Dove Creek Pump Station along the Dolores River, County Road 10.00.  Elev. 6000-6100 ft.
T41N R18W S12; also S14 and S23.  37.8284 N, 108.8009 W.  
Riparian area  and canyon slopes with Rhus, Quercus, ponderosa, pinyon-juniper, Apocynum, poison ivy, and boxelder; east facing slope. Phenology: flowering. 

Lynn Marie Moore, 5943.  6/22/1995. 		 714657
_________________________________________________________________________

88.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: ca 5 air mi WSW of center of Cortez.  Elev. 5900-6200 ft.
T35N R17W S1/4; also N1/4 S12.  37.3201 N, 108.6724 W.  
Pinyon-juniper woodland with sandstone caprock, some shale on slopes, and roadside. Phenology: flowering. 

Ronald L. Hartman, 50683.  5/26/1995. 		 714651
_________________________________________________________________________

89.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Montezuma County: Upper Dolores River Drainage and Adjacent Areas: ca 25 air mi WSW of center of Cortez.  Elev. 5100-5200 ft.
T35N R20W S34 E1/4; also W1/2 S35.  37.2473 N, 109.036 W.  
Sandstone caprock, canyons, some shale below, and an active sand dune; pinyon-juniper and grasslands. Phenology: flowering. 

Ronald L. Hartman, 50802.  5/27/1995. 		 714652
_________________________________________________________________________

90.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: bordering Cherokee Park State Wildlife Area on Cherokee Park or County Road 80C, on trail to Turkey Roost, ca 26 air mi NNW of Fort Collins.  Elev. 7500 ft.
T11N R72W S26 E1/2.  40.8939 N, 105.429 W; uncertainty 1 mi..  
Low foothills with Sisymbrium, Astragalus, Rhus, and Juniperus in the shallow gulleys. Phenology: flowering. 

Sarah Nunn, 1186.  6/11/2001. 		RM 768026
_________________________________________________________________________

91.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Grant County: Mangas Springs, 18 mi NW of Silver City.  Elev. 4770 ft.
Phenology: flowering. 

O. B. Metcalfe, 112.  6/9/1903. 		RM 55470
_________________________________________________________________________

92.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Dona Ana County: Jornada Range Reserve: pasture 5; 100 yards W of office.  Elev. 4300 ft.
Level slope; sandy soil; weed-grass type. Phenology: flowering. 

Paul B. Lister, 346.  4/13/1923. 		USFS 518351
_________________________________________________________________________

93.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Catron County: Datil National Forest: Jewett Ranger Station.  Elev. 7300 ft.
T4S R17W S8.  
Flat slope; moist sandy soil; Yellow Pine type. Phenology: flowering. 

Paul H. Roberts, 151.  8/8/1915. 		USFS 518359
     with M. W. Talbot
_________________________________________________________________________

94.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Goshen County: Near the east side of Rawhide Buttes and W of U.S. Hwy 85.  Elev. 5200 ft.
T30N R63W S16 and S17.  42.5741 N, 104.4389 W; NAD 83, uncertainty 2 mi., Digital Map.  
In the sand hills between Lingle and Lusk. Flowers white. Phenology: flowering. 

C. L. Porter, 6721.  7/6/1955. 		RM 247811	Barcode: RM0252533
_________________________________________________________________________

95.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: 10 mi N of Wheatland.  Elev. 4500 ft.
T26N R68W S25 & S26.  42.1943 N, 104.9674 W; NAD 83, uncertainty 2 mi., Digital Map.  
Short grass plains and low hills; sandy-gravelly, dry soil. Flowers white. Phenology: flowering. 

C. L. Porter, 7250.  6/5/1957. 		RM 253781	Barcode: RM0252604
_________________________________________________________________________

96.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: 5 air mi WNW of Cuba, just E of retention dam #13 at forest boundary. W 0.2 air mi to road.  Elev. 7180-7260 ft.
T21N R2W S15 N1/2.  36.0518 N, 107.0291 W; GPS Reading.  
A shallow concave, grassy basin with scattered ponderosa pine and sagebrush surrounded by soft sandstone bluffs and with sandy soils; drainage. Phenology: flowering & fruiting. 

Brian Reif, 4510.  5/29/2003. 		RM 811662	Barcode: RM0117899
_________________________________________________________________________

97.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: headwaters of Padre Spring Creek on Forest Road 326, 3.5 air mi S of Glorieta.  Elev. 7420-7460 ft.
T15N R11E S15 W1/2.  35.5312 N, 105.7674 W; GPS Reading.  
A broad, shallow grassy drainage running SE, slope of ca 2 deg, with pinyon/juniper encroaching from surrounding ridges. Phenology: flowering. 

Brian Reif, 4765.  6/2/2003. 		RM 811661	Barcode: RM0117898
_________________________________________________________________________

98.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: along Arroyo Leguino just below the northwest end of Mesita de los Ladrones, ca 7.5-8 air mi E of Villanueva; ca 21 air mi S of Las Vegas.  Elev. 5570-5600 ft.
T12N R16E S10 NE1/4.  35.2884 N, 105.2214 W; GPS Reading.  
Sandy flat valley floor above the arroyo. Phenology: flowering & fruiting. 

B. E. Nelson, 61620.  7/11/2004. 		RM 811657	Barcode: RM0117908
_________________________________________________________________________

99.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Glorieta Mesa: Forest Road 326 at west forest boundary, within 0.3 air mi of N35.517 W105.804.  Elev. 7300-7400 ft.
T15N R11E S20 NW1/4.  35.517 N, 105.804 W; GPS Reading.  
Pinyon-juniper woodland with open, park-like grassy drainages. Phenology: flowering & fruiting. 

Brian Reif, 9555.  5/29/2004. 		RM 811660	Barcode: RM0117897
_________________________________________________________________________

100.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: Forest Road 85 at northern forest boundary, 1.5 air mi S of Bernal. Within 0.3 air mi of N35.367 W105.310.  Elev. 6200 ft.
T13N R15E S12 SW1/4; also SE1/4 S11.  35.367 N, 105.31 W; GPS Reading.  
Broad grassy plain with scattered juniper, and roadside. Phenology: flowering & fruiting. 

Brian Reif, 9673.  5/30/2004. 		RM 811659	Barcode: RM0117896
_________________________________________________________________________

101.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Jemez Mountains: County Road 77 (Buckman Road) at Alamo Creek, 9 air mi SE of White Rock. Within 1/4 air mi of N35.743 W106.08.  Elev. 6320 ft.
T18N R8E S34.  35.743 N, 106.08 W; GPS Reading.  
Dry wash of coarse granite and broad lowland with scattered juniper in juniper hills. Phenology: flowering & fruiting. 

Brian Reif, 9724.  6/1/2004. 		RM 811658	Barcode: RM0117895
_________________________________________________________________________

102.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Dona Ana County: Jornada Experiment Range: N end of PB Rest. Enclosure #1, pasture 2.  Elev. 4200 ft.
Level slope; deep sandy loam soil; grama grass type; Yucca elata, Prosopis, Aristida spp. association. Phenology: flowering. 

Robert S. Campbell, 749.  5/16/1933. 		USFS 518350
     with R. H. Canfield
_________________________________________________________________________

103.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Johnson County: Big Horn Mountains: along north side of Clear Creek, ca 5.5 mi W of Buffalo, just S of U.S. Hwy 16.  Elev. 5400 ft.
T50N R83W S1.  44.336 N, 106.793 W; uncertainty 1 mi..  
Open ponderosa pine forest and dry openings. Phenology: flowering. 

Erwin F. Evert, 16297.  5/29/1989. 		RM 577189	Barcode: RM0252578
_________________________________________________________________________

104.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Sierra County: Datil National Forest: Tularosa Ranger Station yard.  Elev. 6300 ft.
Level slope; gravelly loam soil; weed type. Phenology: flowering. 

W. L. Onstad, 24.  6/1/1922. 		USFS 518360
_________________________________________________________________________

105.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Grant County: Gila National Forest: Big Burros Ranger Station pasture.  Elev. 6300 ft.
Level slope; sandy loam soil; browse type; 20% cover; 40% Oak, 10% Mountain Mahogany, 50% grass and weeds. Phenology: flowering. 

William R. Chapline, Jr., 507.  10/19/1915. 		USFS 518357
_________________________________________________________________________

106.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: Camp Guernsey: ca 1.6 km SSW of Register Cliff Historical Monument, ca 2.4 km S of North Platte River.  Elev. 1347 m.
522650E, 4675250N.  
Grassland on ridges and flats on calcareous sandstone with limestone cap to sandy loam with Oenothera albicaulis, Artemisia, Bromus, and Poa spp. Phenology: flowering & fruiting. 

Patricia P. Douglas, 257.  6/15/1995. 		RM 727002	Barcode: RM0252584
     with C. A. Popolizio, R. M. Smith
_________________________________________________________________________

107.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Natrona County: North side of North Platte River.  Elev. 5200 ft.
T34N R79W S33.  
On sand dunes; sagebrush-grassland. Phenology: flowering & fruiting. 

Thomas W. Nelson, 8788.  7/21/1990. 		RM 737187	Barcode: RM0252562
     with Jane P. Nelson
_________________________________________________________________________

108.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Grant County: Gila National Forest; Fort Bayard.  Elev. 6500 ft.
Phenology: flowering. 

Alvin L. Medina, 131.  8/5/1981. 		RMRS 
_________________________________________________________________________

109.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Catron County: Rita Blanca; Unit 1.  Elev. 7793 ft.
Phenology: flowering. 

John F. Rea, s.n..  5/7/1970. 		RMRS 
_________________________________________________________________________

110.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Fall River County: Hot Springs: Fall River Falls: Cheyenne River.
Flats along the river. Phenology: flowering. 

Arthur C. McIntosh, 137.  5/31/1924. 		RM 99143	Barcode: RM0227348
_________________________________________________________________________

111.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Fall River County: Cascade Valley.
In sandy soil near creek. Occasional. Phenology: flowering. 

Arthur C. McIntosh, 940.  8/17/1927. 		RM 105017
_________________________________________________________________________

112.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Custer County: Black Hills: Wind Cave.  Elev. 4100 ft.
T6S R5E S1.  
Foothills, grass association; xero-mesophytic. Phenology: flowering. 

Herman E. Hayward, 1670.  6/29/1927. 		RM 111018	Barcode: RM0227346
_________________________________________________________________________

113.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Fall River County: 5 mi E of Edgemont.  Elev. 3780 ft.
T8S R3E S34.  
Foothills, south slope, grass association; xero-mesophytic. Phenology: flowering. 

Herman E. Hayward, 2502.  7/28/1927. 		RM 111018	Barcode: RM0227347
_________________________________________________________________________

114.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Jackson County: Buffalo Gap, 1 mi S of pond A.  Elev. 2550 ft.
T2S R18E S5 SE1/4.  
Roadside; sandy loam soil; no slope; grassland type; herb, Gaco, Agsm, Trdu, Bria, and Stvi association. Rare; flowers white. Phenology: flowering. 

Roger R. Kerbs, 40.  8/4/1967. 		USFS 518354
_________________________________________________________________________

115.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Mellette County: Bad Lands.
Phenology: flowering. 

S. A. Skinner, 45.  //1906. 		RM 70877
_________________________________________________________________________

116.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Harding County: Little Missouri Valley: 12 mi N of Crook.  Elev. 3050 ft.
T20N R2E S18.  45.7282 N, 103.8989 W; uncertainty 2 mi..  
Bare clay soil. Phenology: buds. 

S. S. Visher, 268.  7/28/1910. 		RM 69918
_________________________________________________________________________

117.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Larimer County: N of La Porte.
Abundant in sandy fields. Phenology: flowering. 

Aven Nelson, 10756.  5/30/1926. 		RM 126317
_________________________________________________________________________

118.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Jefferson County: Morrison.
Sandy canyon slopes. Phenology: buds. 

Aven Nelson, 10760.  6/12/1926. 		RM 126318
_________________________________________________________________________

119.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Colfax County: Cimarron.  Elev. 6500-9500 ft.
In the canyon. Phenology: flowering. 

Aven Nelson, 11502.  5/31/1931. 		RM 131317
_________________________________________________________________________

120.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Santa Fe County: Road between Santa Fe and Albuquerque.  Elev. 5500 ft.
Roadside. Phenology: flowering & fruiting. 

Aven Nelson, 175.  7/31/1932. 		RM 132660
     with Ruth A. Nelson
_________________________________________________________________________

121.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, No county County: Northwestern New Mexico.
Roadsides. Phenology: flowering & fruiting. 

Aven Nelson, 294.  8/29/1932. 		RM 132661
     with Ruth A. Nelson
_________________________________________________________________________

122.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Colfax County: Johnson Mesa: near Folsom.  Elev. 7500-8500 ft.
Sandy plains. Phenology: flowering. 

Aven Nelson, 4687.  6/17/1941. 		RM 192191
     with Ruth A. Nelson
_________________________________________________________________________

123.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Mesa County: La Sal Mountains, ca. 11 miles due south of Gateway, Sinbad Valley.  Elev. 5480 ft.
T49N R19W S9.  
Artemesia grass association; clay-sand soil; east-facing slope. Phenology: flowering. 

M. A. (Ben) Franklin, 3333.  6/2/1986. 		RM 390172
_________________________________________________________________________

124.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Larimer County: 0.25 mi W of U.S. Hwy 287; 21.9 mi S of Virginia Dale.
Meadow with Agropyron, Yucca, Delphinium and fringed sage in sandy soil. Phenology: flowering. 

Betsy E. Neely, 2612.  6/1/1985. 		RM 397719
_________________________________________________________________________

125.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, San Juan County: Navajo Project Area, 13 miles south of Farmington.  Elev. 6000 ft.
Great Basin desert-scrub land Phenology: flowering. 

Charles P. Pase, 2325.  7/28/1978. 		RM 345710
_________________________________________________________________________

126.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Larimer County: Fort Collins.  Elev. 5000 ft.
Phenology: flowering. 

C. S. Crandall, s.n..  5/22/1897. 		RM 13278
_________________________________________________________________________

127.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Larimer County: Fort Collins.  Elev. 5000 ft.
Phenology: flowering. 

C. S. Crandall, s.n..  5/22/1897. 		RM 161780
_________________________________________________________________________

128.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Montrose County: Near Montrose.  Elev. 7500 ft.
Dry upper mesas. Phenology: flowering. 

Edwin B. Payson, 37.  5/25/1912. 		RM 74513
_________________________________________________________________________

129.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Santa Fe County: Roadside 7. miles south of Santa Fe.  Elev. 7000 ft.
Roadside. Phenology: flowering. 

Earl F. Castetter, 1429.  5/13/1932. 		RM 133202
_________________________________________________________________________

130.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, El Paso County: Colorado Springs
Phenology: flowering. 

E. R. Warren, 1913.  8/26/1903. 		RM 43903
_________________________________________________________________________

131.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Costilla County: San Acacio.  Elev. 7737 ft.
Phenology: flowering. 

E. R. Warren, 28.  6/23/1912. 		RM 78350
_________________________________________________________________________

132.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Weld County: Evans, CO on the Platte River.
Riverbed. Phenology: flowering. 

Earl L. Johnston, 158H.  6/18/1910. 		RM 69459
_________________________________________________________________________

133.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Weld County: Grover, CO.
Fields. Phenology: flowering. 

Earl L. Johnston, 1147.  //. 		RM 117409
_________________________________________________________________________

134.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Chaffee County: Salida, CO.
Hillside. Phenology: flowering. 

Earl L. Johnston, 804.  6/26/1917. 		RM 101909
     with George G. Hedgcock
_________________________________________________________________________

135.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Las Animas County: Road to Walsenburg-Trinidad.
Phenology: flowering. 

Earl L. Johnston, 881.  6/20/1917. 		RM 101719
     with George G. Hedgcock
_________________________________________________________________________

136.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Montrose County: Naturita.  Elev. 5400 ft.
Dry hillside and flats. Phenology: flowering. 

Edwin B. Payson, 281.  5/8/1914. 		RM 80812
_________________________________________________________________________

137.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Montrose County: Lower Dry Creek near Montrose.  Elev. 6500 ft.
Dry upper mesas. Phenology: flowering. 

Edwin B. Payson, 37.  5/25/1912. 		RM 81520
_________________________________________________________________________

138.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Montezuma County: Dolores River near Mesa Creek.  Elev. 4900 ft.
Sandy soil. Phenology: flowering. 

Edwin Payson., 404.  6/11/1914. 		RM 80814
_________________________________________________________________________

139.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Montrose County: Paradox.  Elev. 5400 ft.
Dry hills and cultivated fields. Phenology: flowering. 

Ernest P. Walker, 92.  6/17/1912. 		RM 75728
_________________________________________________________________________

140.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Montezuma County: Montezuma National Forest:  Lone Dome Administration site.  Elev. 6900 ft.
Dry sandy soil of a SW-facing slope growing with sage and rabbitbrush. Phenology: flowering. 

Fred W. Ryden, 699.  6/10/1914. 		USFS 518361
_________________________________________________________________________

141.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Boulder County: White Rocks, 8 miles NE of Boulder.
Sandy soil Phenology: flowering. 

Francis Ramaley, 15962.  5/14/1937. 		RM 211591
     with Richards
_________________________________________________________________________

142.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Larimer County: Owl  Canyon.
Sandy soil. Phenology: flowering. 

Francis Ramaley, 16860.  6/19/1939. 		RM 210146
_________________________________________________________________________

143.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Boulder County: Near Boulder.  Elev. 5000-6000 ft.
Plains and foothills. Phenology: flowering. 

Frank Tweedy, 5514.  6//1903. 		RM 47774
_________________________________________________________________________

144.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Weld County: New Windsor.
Phenology: flowering. 

George E. Osterhout, 105.  6/3/1892. 		RM 161779
_________________________________________________________________________

145.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Denver County: Denver, CO.  Elev. 5300 ft.
Prairie. Phenology: flowering. 

Ira W. Clokey, 2790.  6/17/1917. 		RM 92978
_________________________________________________________________________

146.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest:  vacant lot in Santa Fe.  Elev. 7000 ft.
On level ground in dry adobe soil. Phenology: flowering & fruiting. 

J. W. O'Byrne, 368.  7/24/1915. 		USFS 518356
_________________________________________________________________________

147.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Weld County:   Elev. 5400 ft.
T10N R66W S1.  
In sandy soil. Phenology: flowering. 

Leon C. Snyder, S-101.  6/15/1938. 		USFS 518352
_________________________________________________________________________

148.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Clear Creek County: Along Hwy 103 W of its confluence with Colo Hwy #5.  Elev. 10600 ft.
T4N R73W S31; also S32.  39.65666 N, 105.59617 W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!.  
Phenology: flowering. 

N. Duane Atwood, 5762.  8/8/1973. 		RM 303359
     with L. C. Higgins
_________________________________________________________________________

149.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Larimer County: College Farm, Fort Collins.
Phenology: flowering. 

New York Botanical Garden, 1276.  5/15/1895. 		RM 45417
_________________________________________________________________________

150.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Larimer County: College lawn.
Phenology: flowering. 

New York Botanical Garden, 1286.  5/18/1891. 		RM 45416
_________________________________________________________________________

151.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Huerfano County: N of La Veta.  Elev. 2200 m.
River bluffs. Phenology: flowering. 

P. A. Rydberg, 5851.  5/21/1900. 		RM 161778
     with F. K. Vreeland
_________________________________________________________________________

152.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Huerfano County: N of La Veta.  Elev. 2200 m.
River bluffs. Phenology: flowering. 

P. A. Rydberg, 5851.  5/21/1900. 		RM 29720
     with F. K. Vreeland
_________________________________________________________________________

153.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Denver County: Denver:  NE City Park.  Elev. 5300 ft.
In sandy soil with grasses. Phenology: flowering. 

Ralph K. Gierisch, 902.  5/7/1939. 		USFS 518363
_________________________________________________________________________

154.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest: Cereza Mesa.  Elev. 6900-7100 ft.
T27N R4W S28; also S29.  
Pinyon-juniper, sandstone mesa and flats below. Phenology: flowering. 

Ronald L. Hartman, 22579.  5/29/1987. 		RM 567053
     with Susan D'Alcamo, Neil and Donald Snow.
_________________________________________________________________________

155.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Moffat County: Dinosaur National Monument: mouth of Starvation Valley, north side of the Yampa River.  Elev. 5300 ft.
T6N R10W S11.  
Intermittent creek cotton with Populus and Salix exigua. Phenology: flowering. 

Tamara Naumann, 160.  5/21/1988. 		RM 542750
_________________________________________________________________________

156.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Larimer County: Eastern foothills of Colorado Front Range; adjacent to KOA Campground and Highway 287, ca 12 air mi N of Fort Collins.
Open canopy blue grama/needle and thread shortgrass grassland and slopes. Phenology: flowering. 

Walter Fertig, 13030.  7/17/1991. 		RM 579563
_________________________________________________________________________

157.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Dona Ana County: Mesilla Valley.
Phenology: flowering. 

E. O. Wooton, s.n..  4/26/1905. 		RM 58703
_________________________________________________________________________

158.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Rio Blanco County: Flat Tops/White River Plateau: cliffs and terrace above Coal Creek, ca 8 air mi NE of Meeker.  Elev. 6800-7200 ft.
T2N R93W S36.  40.0988 N, 107.7753 W.  
Steep southeast-facing cliffs, with juniper and sagebrush. 

James P. Vanderhorst, 883.  7/9/1990. 		 684736
_________________________________________________________________________

159.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: Main Elk Creek, ca 4 air mi NW of New Castle.  Elev. 5800-6700 ft.
T5S R91W S15.  39.615 N, 107.588 W.  
East exposure and ridge top, red shale and white sandstone, old burn with Juniperus osteosperma and Quercus gambelii grading above on sandstone Juniperus osteosperma-Amelanchier-Ephedra; shale with juniper and oak. 

Ronald L. Hartman, 24528.  5/23/1990. 		 684735
     with James P. Vanderhorst
_________________________________________________________________________

160.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Moffat County: Flat Tops/White River Plateau: Williams Fork Mountain: Deakin Gulch and sandstone outcrop to the west, ca 14 air mi SW of Hayden.  Elev. 6400-6800 ft.
T5N R90W S25; also S26.  40.3636 N, 107.4408 W.  
Sandstone outcrop and adjacent slopes and ravine, also roadside and disturbed areas; sandy slopes and ravine. 

Ronald L. Hartman, 25675.  6/22/1990. 		 684721
_________________________________________________________________________

161.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: ca 22 miles WNW of Lusk, western end of the Hat Creek Breaks.  Elev. 5300 ft.
T33N R67W S2 SE1/4.  42.8599 N, 104.8637 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
On roadside with Sisymbrium and Bromus tectorum. Occasional; flowers white. Phenology: flowering. 

B. E. Nelson, 1578.  6/1/1978. 		RM 317483	Barcode: RM0252534
_________________________________________________________________________

162.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 0.5 mi S of I-80 in Pine Bluffs, S of Pine Bluffs Rest Area.  Elev. 5100 ft.
T14N R60W S22 NW1/4.  41.1682 N, 104.076 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
In upland grassland and disturbed areas with Bouteloua gracilis and Helianthus in sandy clay soil. Common; flowers white. Phenology: flowering. 

B. E. Nelson, 1730.  6/20/1978. 		RM 317489	Barcode: RM0252528
     with Paul Ehrmann
_________________________________________________________________________

163.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Sweetwater County: Washakie Basin: ca 7.3 road mi N of Baggs on Wyo Hwy 789 then ca 36.5 road mi W on BLM roads; ca 19.1 road mi SW of Sand Creek bridge, ca 45.5 air mi S of Wamsutter.  Elev. 6800 ft.
T12N R96W S12 NE1/4.  41.264 N, 108.1546 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Sagebrush slopes. Phenology: flowering. 

B. E. Nelson, 2846.  6/3/1979. 		RM 1009535	Barcode: RM0286370
     with Ronald L. Hartman
_________________________________________________________________________

164.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Crook County: Black Hills: Redwater Creek, W. H. Vore Ranch, ca 3.6 air mi WNW of Beulah.  Elev. 3600 ft.
T53N R61W S26 NW1/4 of; and NE1/4 of S27.  44.5533 N, 104.14028 W; uncertainty 1 mi..  
Grassland on red shale soil. 

Hollis Marriott, 2669.  6/7/1983. 		RM 
_________________________________________________________________________

165.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Weston County: Black Hills: Black Canyon near confluence with Horse Canyon; ca 4.5 air mi NE of Osage.  Elev. 4500 ft.
T47N R62W S30 SW1/4; and NW1/4 S31.  44.02444 N, 104.34917 W; uncertainty 1 mi..  
Sagebrush-grassland (Artemisia cana). 

Hollis Marriott, 7379.  6/27/1984. 		RM 
_________________________________________________________________________

166.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Powder River Basin: ca 1 road mi S of Antelope Creek.  Elev. 4800 ft.
T40N R71W S1 & S2.  43.47 N, 105.325 W; uncertainty 2 mi..  
Rocky slopes, deeply dissected, sagebrush plains; open flats above gulch. Phenology: flowering. 

Keith H. Dueholm, 1725.  6/3/1978. 		RM 321996	Barcode: RM0252568
     with Ronald L. Hartman
_________________________________________________________________________

167.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: Echeta Road, ca 12 air mi WNW of Gillette.  Elev. 4600 ft.
T50N R74W S11.  44.32444 N, 105.7233 W; uncertainty 1 mi..  
Steep hill, sandy slope and rocky ridge, and sandy waste area near road, plains and shallow draw; plains near shallow drainage. Phenology: flowering. 

Keith H. Dueholm, 1807.  6/4/1978. 		RM 322012	Barcode: RM0252548
     with Ronald L. Hartman
_________________________________________________________________________

168.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: along Wyo Hwy 59, 4.7 mi N of Converse County.  Elev. 5000 ft.
T42N R72W S36.  43.5711 N, 105.4525 W; uncertainty 1 mi..  
Plains along right-of-way, ditch, open ground on road cut; plains. Phenology: flowering. 

Keith H. Dueholm, 2044.  6/9/1978. 		RM 322001	Barcode: RM0252571
_________________________________________________________________________

169.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: head of Piney Canyon, ca 22 air mi SE of Reno Junction.  Elev. 4700 ft.
T42N R69W S26; also S35.  43.5881 N, 105.1117 W; uncertainty 1 mi..  
Rocky slopes, stream margins, ponderosa pine woodland, juniper slopes; slope. Phenology: flowering. 

Keith H. Dueholm, 2120.  6/10/1978. 		RM 322009	Barcode: RM0252545
     with Ronald L. Hartman
_________________________________________________________________________

170.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Powder River Basin: ca 14 air mi NE of Bill.  Elev. 4500 ft.
T40N R69W S27.  43.4158 N, 105.125 W; uncertainty 1 mi..  
Plains, rocky crest; plains. Phenology: flowering. 

Keith H. Dueholm, 2267.  6/20/1978. 		RM 322014	Barcode: RM0252550
     with Ronald L. Hartman and Mary Alice Sanguinetti.
_________________________________________________________________________

171.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Powder River Basin: ca 14 air mi NE of Bill.  Elev. 4500 ft.
T40N R69W S27.  43.4158 N, 105.125 W; uncertainty 1 mi..  
Plains, rocky crest; plains. Phenology: flowering. 

Keith H. Dueholm, 2268.  6/20/1978. 		RM 322013	Barcode: RM0252549
     with Ronald L. Hartman and Mary Alice Sanguinetti.
_________________________________________________________________________

172.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 15.5 mi ESE of Reno Junction.  Elev. 4500 ft.
T43N R69W S29; also S30.  43.6728 N, 105.1725 W; uncertainty 2 mi..  
Sagebrush plains, ponderosa pine covered slopes, sandstone outcrops; plains. Phenology: flowering. 

Keith H. Dueholm, 2354.  6/20/1978. 		RM 322016	Barcode: RM0252560
     with Ronald L. Hartman and Mary Alice Sanguinetti.
_________________________________________________________________________

173.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 15.5 mi ESE of Reno Junction.  Elev. 4500 ft.
T43N R69W S29; also S30.  43.6728 N, 105.1725 W; uncertainty 2 mi..  
Sagebrush plains, ponderosa pine covered slopes, sandstone outcrops; plains. Phenology: flowering & fruiting. 

Keith H. Dueholm, 2355.  6/20/1978. 		RM 321993	Barcode: RM0252565
     with Ronald L. Hartman and Mary Alice Sanguinetti.
_________________________________________________________________________

174.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: Cow Creek, ca 6.5 air mi S of Weston.  Elev. 3900 ft.
T53N R71W S26.  44.5472 N, 105.36306 W; uncertainty 1 mi..  
Floodplain, flats, eroded ridge, and sagebrush plains east of creek; plains. Phenology: flowering. 

Keith H. Dueholm, 2376.  6/21/1978. 		RM 321995	Barcode: RM0252567
     with Ronald L. Hartman and Mary Alice Sanguinetti.
_________________________________________________________________________

175.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 10 air mi NE of Soda Wells.  Elev. 3900 ft.
T55N R69W S5; also S7 and S8.  44.77889 N, 105.17694 W; uncertainty 2 mi..  
Waste area near road, rocky slopes of buttes, ponderosa pine woodlands, shaded ravines, sagebrush plains; plains. Phenology: flowering. 

Keith H. Dueholm, 2531.  6/22/1978. 		RM 321999	Barcode: RM0252580
     with Ronald L. Hartman and Mary Alice Sanguinetti.
_________________________________________________________________________

176.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: along Eightyfive Divide; ca 7 air mi S of Montana, 5 mi E of Hwy 59.  Elev. 3600 ft.
T57N R70W S28 SE1/4.  44.9022 N, 105.28 W; uncertainty 0.5 mi..  
Rolling plains and sandstone outcrops; plains. Phenology: flowering. 

Keith H. Dueholm, 2670.  6/24/1978. 		RM 322020	Barcode: RM0252556
     with Ronald L. Hartman and Mary Alice Sanguinetti.
_________________________________________________________________________

177.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 10.5 air mi NW of Rockypoint.  Elev. 3500 ft.
T58N R70W S32; also S33.  44.97556 N, 105.3 W; uncertainty 2 mi..  
Eroded plain, sandstone outcrops; eroded plain. Phenology: flowering & fruiting. 

Keith H. Dueholm, 3046.  6/26/1978. 		RM 321998	Barcode: RM0252581
_________________________________________________________________________

178.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Powder River Basin: head of Grays Draw.  Elev. 5100 ft.
T40N R73W S23; also S26.  43.4269 N, 105.585 W; uncertainty 2 mi..  
Plains, sandstone outcrops, and hard sand along pipeline route; plains. Phenology: flowering. 

Keith H. Dueholm, 3308.  7/5/1978. 		RM 322019	Barcode: RM0252557
     with Mary Alice Sanguinetti
_________________________________________________________________________

179.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 10 road mi NNW of Gillette.  Elev. 4300 ft.
T52N R73W S36.  44.44167 N, 105.5825 W; uncertainty 1 mi..  
Rolling plains, sandstone uplift, outcrops, sandy ravines, highway right-of-way; plains. Phenology: flowering. 

Keith H. Dueholm, 3713.  7/9/1978. 		RM 322005	Barcode: RM0252563
     with Mary Alice Sanguinetti
_________________________________________________________________________

180.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 3 air mi W of Highlight.  Elev. 5010 ft.
T45N R71W S19; also S30.  43.8597 N, 105.4353 W; uncertainty 2 mi..  
Sandy roadside buttes, loose talus slopes, outcrops, plains; rocky summit of butte. Phenology: flowering. 

Keith H. Dueholm, 4094.  7/13/1978. 		RM 322017	Barcode: RM0252559
     with Mary Alice Sanguinetti
_________________________________________________________________________

181.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 6.5 air mi NE of Highlight.  Elev. 4800 ft.
T45N R70W S10.  43.8908 N, 105.2519 W; uncertainty 1 mi..  
Sandstone outcrop, plains; plains. Phenology: flowering. 

Keith H. Dueholm, 4173.  7/13/1978. 		RM 322018	Barcode: RM0252558
     with Mary Alice Sanguinetti
_________________________________________________________________________

182.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 2 air mi NW of Rozet.  Elev. 4300 ft.
T50N R70W S24.  44.2994 N, 105.2169 W; uncertainty 1 mi..  
Holding pond, flats; flats. Phenology: flowering. 

Keith H. Dueholm, 4453.  7/22/1978. 		RM 322004	Barcode: RM0252573
_________________________________________________________________________

183.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 11.5 air mi NE of North Pumpkin Butte.  Elev. 4900 ft.
T46N R75W S25.  43.93056 N, 105.8183 W; uncertainty 1 mi..  
Rolling plains, sandy roadcut; plains. Phenology: vegetative only. 

Keith H. Dueholm, 5183.  7/29/1978. 		RM 322025	Barcode: RM0252551
_________________________________________________________________________

184.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Ca 19.5 air miles north-northwest of Spotted Horse.  Elev. 3700 ft.
T58N R76W S33, S34.  
Scoria topped buttes along fence creek; lower slope. Phenology: flowering. 

Keith H. Dueholm, 6820.  6/9/1979. 		RM 331957	Barcode: RM0252574
_________________________________________________________________________

185.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Powder River Basin: Wyo Hwy 59, ca 20 mi N of Douglas.  Elev. 4900 ft.
T35N R70W S4.  43.0347 N, 105.2664 W; uncertainty 1 mi..  
Rolling sagebrush plains dissected by stream. Phenology: flowering. 

Ronald L. Hartman, 5203.  5/21/1978. 		RM 322022	Barcode: RM0252554
     with Keith Dueholm
_________________________________________________________________________

186.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: Wyo Hwy 59, less than 1 mi N of Converse County.  Elev. 4700 ft.
T42N R72W S24.  43.5136 N, 105.4516 W; uncertainty 2 mi..  
Rolling grasslands and sagebrush slopes, dissected by a stream. Phenology: flowering. 

Ronald L. Hartman, 5232.  5/21/1978. 		RM 322023	Barcode: RM0252553
     with Keith Dueholm
_________________________________________________________________________

187.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Powder River Basin: Wyo Hwy 59 at South Fork Cheyenne River.  Elev. 4600 ft.
T39N R71W S35.  43.3117 N, 105.3458 W; uncertainty 1 mi..  
Rolling plains dissected by river. Phenology: flowering & fruiting. 

Ronald L. Hartman, 5792.  6/3/1978. 		RM 321997	Barcode: RM0252569
     with Keith Dueholm
_________________________________________________________________________

188.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 5 air miles NNE of Spotted Horse.  Elev. 4200 ft.
T55N R74W S6; also T56N R74W S31.  44.7742 N, 105.80694 W; uncertainty 1 mi..  
Dissected benchland with ponderosa pine covered and open slopes; open slope. Phenology: flowering. 

Ronald L. Hartman, 6072.  6/5/1978. 		RM 322011	Barcode: RM0252547
     with Keith Dueholm
_________________________________________________________________________

189.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: near the Powder River, ca 17 air mi NNW of Spotted Horse.  Elev. 3600 ft.
T57N R76W S14.  44.92083 N, 105.9736 W; uncertainty 1 mi..  
Eroded hills overlooking river; sandy slope. Phenology: flowering. 

Ronald L. Hartman, 6128.  6/6/1978. 		RM 322008	Barcode: RM0252544
     with Keith Dueholm
_________________________________________________________________________

190.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 18 air mi SE of Gillette.  Elev. 4700 ft.
T48N R70W S32.  44.095 N, 105.29222 W; uncertainty 1 mi..  
Hill with grassy ridge and steep slopes, eroded slopes, and roadside; ridge. Phenology: flowering. 

Ronald L. Hartman, 6291.  6/8/1978. 		RM 322007	Barcode: RM0252543
_________________________________________________________________________

191.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: along Porcupine Creek, ca 15 air mi SSE of Reno Junction.  Elev. 4700 ft.
T42N R71W S25; also S36.  43.5856 N, 105.3317 W; uncertainty 2 mi..  
Margins and adjacent sandy flats. Phenology: flowering. 

Ronald L. Hartman, 6524.  6/10/1978. 		RM 322010	Barcode: RM0252546
     with Keith Dueholm
_________________________________________________________________________

192.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: along Porcupine Creek, ca 15 air mi SSE of Reno Junction.  Elev. 4700 ft.
T42N R71W S25; also S36.  43.5856 N, 105.3317 W; uncertainty 2 mi..  
Margins and adjacent sandy flats. Phenology: vegetative only. 

Ronald L. Hartman, 6525.  6/10/1978. 		RM 322021	Barcode: RM0252555
     with Keith Dueholm
_________________________________________________________________________

193.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Powder River Basin: ca 12.5 air mi NE of Bill.  Elev. 4500 ft.
T40N R69W S33.  43.4011 N, 105.1453 W; uncertainty 1 mi..  
Ridge. 

Ronald L. Hartman, 6676.  6/20/1978. 		RM 952591	Barcode: RM0200405
     with Keith Dueholm and Mary Alice Sanguinetti
_________________________________________________________________________

194.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 15.5 air mi ESE of Reno Junction.  Elev. 4500 ft.
T43N R69W S29; also S30.  43.6728 N, 105.1725 W; uncertainty 2 mi..  
Eroded hills with ponderosa pine. Phenology: flowering & fruiting. 

Ronald L. Hartman, 6763.  6/20/1978. 		RM 322003	Barcode: RM0252572
     with Keith Dueholm and Mary Alice Sanguinetti
_________________________________________________________________________

195.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 19 air mi NNE of Gillette.  Elev. 3900 ft.
T53N R71W S25.  44.5472 N, 105.34278 W; uncertainty 1 mi..  
Low eroded slopes and drainage. Phenology: flowering. 

Ronald L. Hartman, 6853.  6/21/1978. 		RM 321994	Barcode: RM0252566
     with Keith Dueholm and Mary Alice Sanguinetti
_________________________________________________________________________

196.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 11.5 air mi NNE of Weston.  Elev. 3800 ft.
T55N R70W S2.  44.77917 N, 105.2383 W; uncertainty 1 mi..  
Open slopes. Phenology: flowering & fruiting. 

Ronald L. Hartman, 6934.  6/22/1978. 		RM 322024	Barcode: RM0252552
     with Keith Dueholm and Mary Alice Sanguinetti
_________________________________________________________________________

197.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 18 air mi WNW of Rockypoint.  Elev. 3800 ft.
T57N R72W S1; also T58N R71W S31, T58N R72W S36; also T57N R71W S6.  44.9603 N, 105.464 W; uncertainty 2 mi..  
Eroded hills with ponderosa pine. Phenology: flowering. 

Ronald L. Hartman, 7105.  6/23/1978. 		RM 322002	Barcode: RM0252570
     with Keith Dueholm and Mary Alice Sanguinetti
_________________________________________________________________________

198.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Johnson County: Powder River Basin: ca 4 air mi N of I-90 at the Powder River crossing.  Elev. 4400 ft.
T50N R77W S29; also S32.  44.2767 N, 106.14667 W; uncertainty 2 mi..  
Low hills and drainage. Phenology: flowering. 

Ronald L. Hartman, 7432.  6/26/1978. 		RM 322000	Barcode: RM0252579
     with Mary Alice Sanguinetti
_________________________________________________________________________

199.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: at the Oregon Trail Historical Site on the Emigrant Trail, across the North Platte River from Guernsey.  Elev. 4320-4400 ft.
T26N R66W S2.  42.2558 N, 104.7428 W.  
Grassland below breaks. Phenology: flowering. 

B. E. Nelson, 24826.  5/19/1993. 		RM 606345	Barcode: RM0252601
_________________________________________________________________________

200.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: between Horse Creek and Table Mountain on Wyoming Game and Fish Table Mountain Wildlife Management Area, ca 4 air mi SSE of Huntley; ca 14 air mi S of Torrington.  Elev. 4120-4160 ft.
T22N R60W S18.  41.88 N, 104.12 W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!.  
Grasslands on sandy clay soils with marshes and playas. Phenology: flowering & fruiting. 

B. E. Nelson, 25425.  5/27/1993. 		RM 606346	Barcode: RM0252603
_________________________________________________________________________

201.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: ca 0.5-1 mi W of Hawk Springs Reservoir on County Road 186, ca 5.7 air mi NW of La Grange; ca 25 air mi S of Torrington.  Elev. 4430-4450 ft.
T20N R61W S17 N1/2.  41.7093 N, 104.2188 W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!.  
Mixed grass upland dominated by Bouteloua. Phenology: flowering & fruiting. 

B. E. Nelson, 27163.  7/19/1993. 		RM 606347	Barcode: RM0252591
_________________________________________________________________________

202.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: W of Deer Creek or County Road 19, ca 2.5 air mi S of the North Platte River; ca 3.3 air mi SW of Glenrock.  Elev. 5260-5320 ft.
T33N R76W S13 NW1/4.  42.8289 N, 105.9167 W.  
Sandy mixed grass slopes. Phenology: flowering & fruiting. 

B. E. Nelson, 27206.  7/23/1993. 		RM 606348	Barcode: RM0252602
_________________________________________________________________________

203.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along 55 Ranch or County Road 23, ca 5.8 air mi N of Glenrock or ca 5 air mi N of the North Platte River.  Elev. 5540-5580 ft.
T34N R75W S4 SW1/4.  42.9458 N, 105.8569 W.  
Rolling sandy plains of Artemisia cana-grassland. Phenology: flowering & fruiting. 

B. E. Nelson, 27262.  7/23/1993. 		RM 606349	Barcode: RM0252600
_________________________________________________________________________

204.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: along Wyo Hwy 159, ca 5.5 air mi N of Torrington; ca 7.5 air mi E of Lingle.  Elev. 4290-4350 ft.
T25N R61W S16 NW1/4.  42.1422 N, 104.2013 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Rolling sandy plains of sand sage-grassland. Phenology: flowering & fruiting. 

B. E. Nelson, 28240.  8/3/1993. 		RM 606350	Barcode: RM0252586
_________________________________________________________________________

205.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Kettle Rock or County Road 34 ca 1 mi W of Indian River Hill or 1.5 mi W of Nebraska; ca 13.2 air mi NNE of Torrington.  Elev. 4380-4560 ft.
T26N R60W S9 South1/2.  42.2354 N, 104.0813 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Sandy clay weedy grassland plains. Phenology: flowering & fruiting. 

B. E. Nelson, 28294.  8/3/1993. 		RM 606351	Barcode: RM0252595
_________________________________________________________________________

206.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Weston County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Roxson Road ca 1/2-3/4 mi N of Weston County, ca 3.3 air mi WSW of Morisey; ca 28.5 air mi SW of Newcastle.  Elev. 4120-4240 ft.
T41N R63W S20; SE1/4 S9.  43.515 N, 104.4527 W.  
Rolling dissected plain of sagebrush-grassland and sedge-grassland mosaic. Phenology: flowering. 

B. E. Nelson, 30310.  5/17/1994. 		RM 664610	Barcode: RM0252964
_________________________________________________________________________

207.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horseshoe or County Road 59 at Sand Draw S of Horseshoe Creek, ca 9.5 air mi SW of Glendo; ca 27.5 air mi NNW of Wheatland.  Elev. 5060-5100 ft.
T28N R69W S6 W1/4.  42.4275 N, 105.1758 W; uncertainty 0.5 mi..  
Coarse sand - fine gravel soil in sagebrush-grassland. Phenology: flowering. 

B. E. Nelson, 30388.  5/19/1994. 		RM 664609	Barcode: RM0252963
_________________________________________________________________________

208.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Fletcher Park or County Road 133 ca 3/4 air mi N of North Laramie River, ca 23 air mi WSW of Guernsey; ca 14 air mi NW of Wheatland.  Elev. 4840-4900 ft.
T25N R69W S6 NW1/4.  42.1686 N, 105.1992 W.  
Sagbrush-grassland of fine gravelly soils and cobblestones. Phenology: flowering. 

B. E. Nelson, 30489.  5/19/1994. 		RM 664608	Barcode: RM0252962
_________________________________________________________________________

209.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Baker Cabin or County Road 108 between North Fork Cottonwood Creek and Gray Wall, ca 12 air mi NE of Arminto; ca 51 air mi NW of Casper.  Elev. 6340-6490 ft.
T39N R86W S25 W1/2.  43.3217 N, 107.1144 W.  
In sand, grassy sandy areas, sandstone outcrops, and clay slopes. Phenology: flowering. 

B. E. Nelson, 30613.  5/23/1994. 		RM 664607	Barcode: RM0252961
_________________________________________________________________________

210.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along County Road just S of the Laramie River, ca 3.5 air mi WSW of Fort Laramie; ca 22.3 air mi NW of Torrington.  Elev. 4280-4340 ft.
T26N R64W S30 SE1/4.  42.193 N, 104.581 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Sandy plains at the base of cobblestone slopes in the river valley. Phenology: flowering. 

B. E. Nelson, 30826.  5/26/1994. 		RM 664606	Barcode: RM0252960
_________________________________________________________________________

211.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: hills S of the Laramie River and SW of Grayrocks Reservoir, ca 8.8 air mi NE of Wheatland; ca 11.5 air mi SSW of Guernsey.  Elev. 4470-4520 ft.
T25N R66W S30 NE1/4.  42.112 N, 104.8234 W.  
Sandy plains with sagebrush below cobblestone slopes. Phenology: flowering & fruiting. 

B. E. Nelson, 30850.  5/26/1994. 		RM 664619	Barcode: RM0252958
_________________________________________________________________________

212.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Fort Laramie National Historic Site: S of the Laramie River along the north side of the Fort Laramie Canal, ca 2 air mi SW of Fort Laramie (town); ca 21 air mi NW of Torrington.  Elev. 4240-4260 ft.
T26N R64W S28 SW1/4.  42.1961 N, 104.5516 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Sandy lowlands. Phenology: flowering & fruiting. 

B. E. Nelson, 33109.  7/20/1994. 		RM 664605	Barcode: RM0252959
     with David Reilly and Jim Cahill
_________________________________________________________________________

213.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 7.5 air mi W of Wheatland.  Elev. 4800 ft.
T24N R69W S26 N1/2; also SW1/4 S23.  42.0256 N, 105.0872 W; uncertainty 2 mi..  
Short-grass prairie. Phenology: flowering. 

Ronald L. Hartman, 39674.  7/1/1993. 		RM 606356	Barcode: RM0252597
_________________________________________________________________________

214.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 9.5 air mi W of Wheatland.  Elev. 4800 ft.
T24N R69W S21 N1/2.  42.0403 N, 105.1256 W.  
Short-grass prairie and drainage. Phenology: flowering & fruiting. 

Ronald L. Hartman, 39739.  7/1/1993. 		RM 606357	Barcode: RM0252598
_________________________________________________________________________

215.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34, ca 4 air mi E of Albany County.  Elev. 5260 ft.
T22N R70W S11 E1/2.  41.895 N, 105.2133 W; uncertainty 1 mi..  
Sandy plains with short-grass prairie. Phenology: flowering & fruiting. 

Ronald L. Hartman, 39821.  7/4/1993. 		RM 606358	Barcode: RM0252599
_________________________________________________________________________

216.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Weston County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Roxson Road ca 1/2-3/4 mi N of Weston County, ca 3.3 air mi WSW of Morisey; ca 28.5 air mi SW of Newcastle.  Elev. 4120-4240 ft.
T41N R63W S20; SE1/4 S9.  43.515 N, 104.4527 W.  
Rolling dissected plain of sagebrush-grassland and sedge-grassland mosaic. Phenology: flowering. 

B. E. Nelson, 30310.  5/17/1994. 		RM 664610
_________________________________________________________________________

217.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Weston County: Black Hills: Elk Mountains: at the South Dakota state line, ca 14 air mi SE of Newcastle.  Elev. 4900 ft.
T43N R60W S22.  43.6911 N, 104.0503 W; uncertainty 1 mi..  
Meadows at the base of the ridge. Phenology: flowering & fruiting. 

B. E. Nelson, 8816.  7/7/1982. 		RM 379125	Barcode: RM0252609
_________________________________________________________________________

218.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Crook County: Black Hills: Redwater Creek, ca 3.5 air mi WNW of Beulah.  Elev. 3600 ft.
T53N R61W S26; also S27.  44.5533 N, 104.14028 W; uncertainty 2 mi..  
Grassland on red shale soil. Phenology: flowering & fruiting. 

Hollis Marriott, 2669.  6/7/1983. 		RM 379128	Barcode: RM0252606
_________________________________________________________________________

219.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Weston County: Black Hills: west side of ridge S of Elk Mountain (USFS Road 818) near Mix Spring, ca 13.5 air mi SE of Newcastle.  Elev. 4800 ft.
T43N R60W S21; also S28.  43.6911 N, 104.0705 W; uncertainty 2 mi..  
Southeast-facing slope with scattered pines and junipers. Phenology: flowering & fruiting. 

Hollis Marriott, 7185.  6/26/1984. 		RM 379127	Barcode: RM0252605
_________________________________________________________________________

220.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Weston County: Black Hills: Black Canyon near confluence with Horse Canyon; ca 4.5 air mi NE of Osage.  Elev. 4500 ft.
T47N R62W S30 SW1/4; and NW1/4 S31.  44.02444 N, 104.34917 W; uncertainty 1 mi..  
Silver sagebrush-grassland. Phenology: flowering & fruiting. 

Hollis Marriott, 7379.  6/27/1984. 		RM 379126	Barcode: RM0252607
_________________________________________________________________________

221.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Luis Valley: Copper Butte vicinity, on BLM Road 5300, N of U.S. Hwy 285, E of Saguache.  Elev. 8200 ft.
T45N R8E S13 SE1/4; also NE1/4 S23 and NW1/4 S24.  38.1549 N, 106.037 W.  
Grassland with Opuntia. Phenology: flowering & fruiting. 

Brian Elliott, 2174.  6/18/1998. 		RM 
_________________________________________________________________________

222.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: at base of TV Hill, ca 1.5 mi N on County Road 63.1 from Exit 30 on I-25.  Elev. 6350 ft.
T30S R65W S36 NW1/4.  37.3908 N, 104.6194 W.  
Pinyon-juniper/prairie transition. Phenology: flowering. 

Brian Elliott, 235.  5/25/1998. 		RM 
_________________________________________________________________________

223.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Crook County: Black Hills: ca 2 air mi NE of Aladdin.  Elev. 3600 ft.
T54N R61W S22.  44.6567 N, 104.1592 W; uncertainty 1 mi..  
Prairie, sandstone outcrops, and dry drainage; sandy slopes. Phenology: flowering & fruiting. 

Ronald L. Hartman, 16189.  7/15/1983. 		RM 379124	Barcode: RM0252608
_________________________________________________________________________

224.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Weston County: Powder River Basin: just N of Cheyenne River, ca 7 air mi SSE of Rochelle.  Elev. 4200 ft.
T41N R67W S21.  43.5183 N, 104.9061 W; uncertainty 1 mi..  
Hills. Phenology: flowering & fruiting. 

Ronald L. Hartman, 6720.  6/20/1978. 		RM 322006	Barcode: RM0252564
     with Keith Dueholm and Mary Alice Sanguinetti
_________________________________________________________________________

225.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Weston County: Newcastle.
Railroad grade. Phenology: fruiting. 

Aven Nelson, 8449.  7/20/1901. 		RM 37659	Barcode: RM0252612
_________________________________________________________________________

226.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Crook County: Devils Tower National Monument, west end of dog town.  Elev. 3850 ft.
T53N R65W S18.  
Somewhat common on disturbed alluvial soil on bank of open west slope with Sisymbrium altissimum and Sphaeralcea. Flowers white, fading pink. Phenology: flowering & fruiting. 

Hollis Marriott, 732.  6/25/1981. 		RM 336060	Barcode: RM0252611
_________________________________________________________________________

227.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Crook County: 8 mi NW of Hulett.  Elev. 4500 ft.
Sunny canyonside. Phenology: flowering. 

Marion Ownbey, 647.  6/6/1935. 		RM 143770	Barcode: RM0252582
_________________________________________________________________________

228.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Weston County: Newcastle.
Dryish hills. Phenology: flowering & fruiting. 

Otto Degener, 16146.  7/16/1942. 		RM 194070	Barcode: RM0252610
     with Leroy Peiler
_________________________________________________________________________

229.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Natrona County: Ca 20 mi WSW of Casper.  Elev. 5700 ft.
42 49.8' N, 106 44' W.  
Sage-grass with Opuntia and Allium. Flowers white. Phenology: flowering. 

Robert D. Dorn, 10400.  6/10/2008. 		RM 823199	Barcode: RM0252583
_________________________________________________________________________

230.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Arizona, Navajo County: Apache National Forest; Sitgreaves National Forest; Heber area.  Elev. 6600 ft.
T13N R16E S22.  
Phenology: flowering & fruiting. 

T. E. Tharalson, s.n..  9/11/1990. 		RMRS 
_________________________________________________________________________

231.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, Carbon County: Pryor Mountains: Pryor Mountain Wild Horse Range: on Burnt Timber or BLM Road 1018, ca 1.5 air mi E of Crooked Creek, ca 33 air mi SE of Bridger.  Elev. 4360-4440 ft.
T9S R27E S25 NW1/4.  45.0273 N, 108.3673 W; uncertainty 0.5 mi., GPS reading.  
Sandy clay flats above the arroyos. Phenology: flowering. 

B. E. Nelson, 74220.  6/16/2008. 		RM 
_________________________________________________________________________

232.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, Carbon County: Bighorn Basin: mouth of Inferno Canyon at the west base of the Pryor Mountains, ca 2 air mi E of Rail Bed Road, ca 18 air mi SE of Bridger.  Elev. 4880-5020 ft.
T8S R25E S15 SE1/4.  45.1376 N, 108.6436 W; uncertainty 0.5 mi., GPS reading.  
Patchy blue grama-sagebrush in sandy canyon bottom. Phenology: flowering & fruiting. 

B. E. Nelson, 74488.  6/22/2008. 		RM 
_________________________________________________________________________

233.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Baca County: Comanche National Grassland: County Road C above Carrizo Creek, ca 2 air mi W of Little Black Mesa and ca 1 air mi N of Oklahoma, ca 33.5 air mi SW of Springfield.  Elev. 4420-4470 ft.
T35S R50W S12 NE1/4.  37.0123 N, 102.9786 W; GPS Reading.  
Sandy-silt grassland flats. Phenology: flowering & fruiting. 

B. E. Nelson, 71847.  6/14/2007. 		RM 
     with Bernadette Kuhn
_________________________________________________________________________

234.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Baca County: Comanche National Grassland: at the intersection of County roads 13 and U, ca 8.5-9 air mi S of Pritchett; ca 16.5 air mi SW of Springfield.  Elev. 4780 ft.
T32S R48W S20 NW1/4.  37.2495 N, 102.8494 W; GPS Reading.  
Sandsage rangeland with large areas of Bromus tectorum and areas of barren sand. Phenology: flowering & fruiting. 

B. E. Nelson, 71992.  6/14/2007. 		RM 
     with Bernadette Kuhn
_________________________________________________________________________

235.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 1.5 mi E on Gulch or County Road 28, N of Westcliffe.  Elev. 7100 ft.
T20S R73W S5 SW1/4.  38.3423 N, 105.5614 W.  
By a small spring; pinyon-juniper, lower end for ponderosa; riparian. Phenology: flowering. 

Brian Elliott, 442.  5/27/1998. 		RM 
_________________________________________________________________________

236.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Baca County: Comanche National Grassland: Picture Canyon, ca 29 air mi SSW of Springfield.  Elev. 4225 ft.
T35S R47W S7.  37.0073 N, 102.7486 W; GPS Reading.  
Along Salix-dominated wet seep. Shortgrass prairie with Yucca sp., Opuntia sp., and Buchloë dactyloides; grazed. Phenology: flowering & fruiting. 

Bernadette Kuhn, 858.  6/7/2007. 		RM 
_________________________________________________________________________

237.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Otero County: Comanche National Grassland: Purgatoire Canyon, ca 23 air mi S of La Junta.  Elev. 4568 ft.
T27S R55W S34.  37.6525 N, 103.5635 W; GPS Reading.  
Shortgrass prairie dominated by Buchloë dactyloides and Yucca glauca. Phenology: flowering. 

Bernadette Kuhn, 921.  6/9/2007. 		RM 
_________________________________________________________________________

238.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Baca County: Comanche National Grassland: ca 13 air mi SE of Vilas.  Elev. 4038 ft.
T33S R44W S2 SE1/4.  37.1984 N, 102.3498 W; GPS Reading.  
Shortgrass prairie dominated by Buchloë dactyloides and Bouteloua sp. Phenology: flowering & fruiting. 

Bernadette Kuhn, 972.  6/10/2007. 		RM 
_________________________________________________________________________

239.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Otero County: Comanche National Grassland: adjacent to County Road S, ca 2 mi N of Timpas.  Elev. 4400 ft.
T25S R57W S22 SE1/4; also NE1/4 S27.  37.8516 N, 103.7737 W; GPS Reading.  
Hilaria grassland with Helianthus annuus in a heavy alluvial soil. Phenology: flowering & fruiting. 

Brian Elliott, 13121.  5/15/2004. 		RM 
_________________________________________________________________________

240.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Las Animas County: Comanche National Grassland: ca 15 air mi W of Kim.  Elev. 5717 ft.
T32S R56W S18 N1/2.  37.2628 N, 103.6118 W; GPS Reading.  
Grassland. Phenology: flowering. 

Ronald L. Hartman, 84919.  5/26/2007. 		RM 
     with Bernadette Kuhn, Laura E. Lukas
_________________________________________________________________________

241.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Las Animas County: Comanche National Grassland: Plum Creek, 8.5 air mi W of Kim.  Elev. 5740 ft.
T32S R54W S18 W1/2.  37.2591 N, 103.5185 W; GPS Reading.  
Rolling grasslands with stockponds. Phenology: flowering & fruiting. 

Ronald L. Hartman, 84966.  5/26/2007. 		RM 
     with Bernadette Kuhn, Laura E. Lukas
_________________________________________________________________________

242.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Guadalupe County: Santa Rosa area.
Sandy plains. Phenology: flowering & fruiting. 

Aven Nelson, 11329.  5/20/1931. 		RM 131316
_________________________________________________________________________

243.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along banks of Vermejo River immediately downstream from (SE of) I-25.  Elev. 5858 ft.
36 29' 43.5" N, 104 34' 13.3" W; WGS 84, uncertainty 8 m., GPS reading.  
Sandy river bottom dominated by recently killed Salix (Tamarix control), with Glycyrrhiza lepidota, Helianthus annuus, Juncus balticus. Petals white, 2-3 cm long; stigmas with four linear lobes; plants scattered. Photographed. Phenology: flowering. 

Ben Legler, 3969.  6/7/2007. 		RM 903589	Barcode: RM0029557
     with Neil Snow
_________________________________________________________________________

244.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: off U.S. Hwy 50 between Texas Creek and Canon City; on Iron Mountain Road, ca 2 mi from Copper Gulch Road.  Elev. 7360 ft.
T19S R72W S33 SE1/4.  38.3564 N, 105.4379 W.  
Open pinyon-juniper; meadow. Phenology: flowering. 

Brian Elliott, 624.  6/3/1998. 		RM 
     with Kenneth Elliott
_________________________________________________________________________

245.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: N on Colo Hwy 17; San Isabel Creek at end of Forest Road 957, E of Moffat.  Elev. 8080 ft.
T44N R11E S26 SE1/4.  38.0334 N, 105.7364 W.  
Riparian and pinyon-juniper. Phenology: flowering. 

Brian Elliott, 836.  6/4/1998. 		RM 
     with Kenneth Elliott
_________________________________________________________________________

246.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2.8 road mi on County Road 560 from Colo Hwy 69.  Elev. 7150-7350 ft.
T26S R70W S35 N1/8; also South1/8 S26.  37.7405 N, 105.1848 W.  
Dry, sandy soil; dominant species: pinyon, Opuntia, and grasses. Phenology: flowering & fruiting. 

Charity Hall, 1122.  6/22/1998. 		RM 
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

247.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, Carbon County: 0.5 air mi S of Columbus on Mont Hwy 78 at Itch-kep-pe Park along the Yellowstone River.  Elev. 3570 ft.
T2S R20E S27.  45.6284 N, 109.2521 W; NAD 83, , GPS Reading.  
Along river and throughout park. Phenology: flowering & fruiting. 

Ronald L. Hartman, 85815.  6/17/2007. 		RM 939893	Barcode: RM0111666
_________________________________________________________________________

248.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2.5 road mi on County Road 1 from County Road 28.  Elev. 7350-7500 ft.
T19S R72W S34.  38.3564 N, 105.4202 W.  
Dry, sandy soil; dominant species: pinyon and Chrysothamnus. Phenology: buds. 

Charity Hall, 1331a.  6/25/1998. 		RM 
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

249.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: off of County Road 622.  Elev. 7260-7680 ft.
T26S R68W S7 SW1/8; also NW1/8 S18; also T26S R69W SE1/8 S12 and NE1/8 S13.  37.7988 N, 105.0389 W.  
Dominant species: pinyon and juniper; sandstone outcrops. Phenology: flowering & fruiting. 

Charity Hall, 378.  6/13/1998. 		RM 
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

250.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Union County: 8 mi south of Texline on 296.  Elev. 1398 m.
36 14' 46" N, 103 2' 34" W; GPS reading.  
Sandy prairie. Phenology: flowering. 

Michael Schiebout, 3523.  5/18/2005. 		RM 823957	Barcode: RM0126420
_________________________________________________________________________

251.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., New Mexico, Mora County: Kiowa National Grassland: Mills Canyon, ca 50 meters east of river channel.  Elev. 5106 ft.
36 3' 18" N, 104 22' 43" W; GPS reading.  
Flood plain. Phenology: flowering. 

Michael Schiebout, 3147.  5/10/2005. 		RM 823814	Barcode: RM0126323
_________________________________________________________________________

252.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: ca 3.9 road mi S on Oak Creek Grade Road from Canon City; from ca 0.5-2.5 trail mi past Tanner Trailhead, on and around the trail.  Elev. 6300-8400 ft.
T19S R70W S29; also S30; also T19S R71W S25.  38.3688 N, 105.2432 W.  
Dominant species: pinyon pine, mountain mahogany, and oak; ponderosa and blue spruce at higher elevations; mainly granite outcrops, soil sandy to gravelly in texture. Phenology: fruiting. 

Charity Hall, 80.  6/5/1998. 		RM 
     with Brian Jacobs and Alex Morgan
_________________________________________________________________________

253.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Red Creek Springs Road West, ca 11 air mi SW of Pueblo (city center).  Elev. 4800-5000 ft.
T21S R66W S21 SW1/4.  38.2102 N, 104.7795 W.  
Grasslands with juniper. Phenology: flowering & fruiting. 

Ronald L. Hartman, 60104.  5/19/1998. 		RM 
     with Brian Elliott
_________________________________________________________________________

254.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: County Road 340, ca 1 air mi S of Walsenburg (city center).  Elev. 6250-6300 ft.
T28S R66W S16 NW1/4.  37.6093 N, 104.7835 W.  
Grassland and pinyon-juniper woodlands. Phenology: flowering. 

Ronald L. Hartman, 60389.  5/22/1998. 		RM 
     with Brian Elliott
_________________________________________________________________________

255.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2-3 air mi N of Gardner Butte.  Elev. 7180-7410 ft.
T26S R69W S5; also W1/4 S4.  37.8133 N, 105.1301 W.  
Degraded grassland with pinyon pine on ridges. Phenology: flowering. 

Ronald L. Hartman, 61015.  6/3/1998. 		RM 
     with Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan
_________________________________________________________________________

256.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: County Road 634, ca 5-6 air mi NNW of Gardner Butte.  Elev. 7500-7640 ft.
T25S R70W S27 E1/4.  37.8454 N, 105.2004 W.  
Grasslands and pinyon pine-juniper woodland. Phenology: flowering. 

Ronald L. Hartman, 61116.  6/3/1998. 		RM 
     with Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan
_________________________________________________________________________

257.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: NW of the intersection of County Road 555 and Colo Hwy 69 on southwest slope of Black Mountain, ca 6-7 air mi WNW to NW of Gardner Butte.  Elev. 7500-7900 ft.
T25S R71W S36 W1/2; also SE1/4 S35 and S1/4 S25.  37.8309 N, 105.2736 W.  
Pinyon-juniper slopes. Phenology: flowering & fruiting. 

Ronald L. Hartman, 61167.  6/3/1998. 		RM 
     with Melanie Arnett, Charity Hall, Brian Jacobs, and Alex Morgan
_________________________________________________________________________

258.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Colo Hwy 78, ca 5.5 air mi SW of Pueblo (city center).  Elev. 4900-5000 ft.
T21S R65W S17 SW1/2.  38.2248 N, 104.688 W.  
Roadcut with calcareous substrate. Phenology: flowering & fruiting. 

Ronald L. Hartman, 61330.  6/15/1998. 		RM 
_________________________________________________________________________

259.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sheep Mountain Overlook, ca 1.5 air mi NW of Badito on Colo Hwy 69.  Elev. 6600-6700 ft.
T26S R68W S31 SW1/4.  37.7405 N, 105.0389 W.  
Grassland and pinyon-juniper. Phenology: flowering & fruiting. 

Ronald L. Hartman, 61642.  6/20/1998. 		RM 
_________________________________________________________________________

260.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Harding County: Custer National Forest: North Cave Hills: in a tributary of Schleichart Draw above Schleichart Draw Reservoir, W of Forest Road 3130, ca 17 air mi NNE of Buffalo.  Elev. 3200 ft.
T22N R5E S35.  45.8271 N, 103.4731 W; NAD 83, , GPS reading.  
Grass-dominated meadow. Phenology: flowering. 

Hans Hallman, 4170.  8/16/2009. 		USFS 884692	Barcode: USFS0049527
     with G. Gust
_________________________________________________________________________

261.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, Powder River County: To ca 1.5 air mi NW of Moorehead Road, ca 4.5 air mi WSW of Broadus.  Elev. 3100-3220 ft.
T5S R50E S12; also T5S R51E S7 SW1/4.  45.4081 N, 105.4821 W; NAD 83, , GPS reading.  
Grass and sagebrush-dominated grazing land. Phenology: flowering. 

Hans Hallman, 5010.  6/19/2010. 		RM 
_________________________________________________________________________

262.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, Powder River County: E of Moorehead Road near the Powder River, ca 9 air mi SW of Broadus.  Elev. 3100-3230 ft.
T5S R50E S34 SE1/4; also S35 SW1/4.  45.3445 N, 105.533 W; NAD 83, , GPS reading.  
Grass and sagebrush-dominated grazing land interspersed with badlands. Phenology: flowering. 

Hans Hallman, 5151.  6/22/2010. 		RM 
_________________________________________________________________________

263.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: on Colo Hwy 12 W of Trinidad, ca 1 mi W of Segundo.  Elev. 6600 ft.
T33S R66W S36 SW1/4.  37.1272 N, 104.7295 W.  
Exposed roadcut, riparian. Phenology: flowering & fruiting. 

Brian Elliott, 5820.  5/21/1999. 		RM 
_________________________________________________________________________

264.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: ca 1 mi E of National Forest Boundary, ca 3 mi S of County Road 650 on County Road 651, SW of Colorado City.  Elev. 7300 ft.
T26S R68W S1 SW1/4.  37.8133 N, 104.9477 W.  
Foothills with pinyon-juniper woodlands. Phenology: flowering. 

Brian Elliott, 6049.  5/25/1999. 		RM 
_________________________________________________________________________

265.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: along Texas Creek on Colo Hwy 69, ca 2 mi S of junction of U.S. Hwy 50 and Colo Hwy 69; W of Pueblo.  Elev. 6900 ft.
T19S R73W S30 NE1/4; also SE1/4 S19.  38.3706 N, 105.5791 W.  
Pinyon-juniper. Phenology: flowering & fruiting. 

Brian Elliott, 6204.  5/29/1999. 		RM 
_________________________________________________________________________

266.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: up Five Point Gulch, ca 1.5 mi E of Texas Creek; W of Pueblo on U.S. Hwy 50.  Elev. 7000 ft.
T19S R73W S6; also E1/2 S8, E1/2 S21, E1/2 S9, W1/2 S3, S2, S5.  38.427 N, 105.5791 W.  
Canyon and west side of ridge in pinyon-juniper. Phenology: flowering & fruiting. 

Brian Elliott, 6346.  6/3/1999. 		RM 
     with Elizabeth Mark
_________________________________________________________________________

267.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 0.5 mi SE of junction of U.S. Hwy 50 and 3 Road at Parkdale, W of Pueblo.  Elev. 5800 ft.
T18S R71W S18 SW1/4.  38.4832 N, 105.3746 W.  
Pinyon-juniper. Phenology: flowering. 

Brian Elliott, 6399.  6/3/1999. 		RM 
     with Elizabeth Mark
_________________________________________________________________________

268.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2 mi W on County Road 610; N of Walsenburg at I-25 exit 59.  Elev. 6350 ft.
T27S R67W S13.  37.6968 N, 104.8382 W.  
Pinyon-juniper/grassland transition. Phenology: flowering. 

Brian Elliott, 6485a.  6/6/1999. 		RM 
     with Elizabeth Mark
_________________________________________________________________________

269.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Chaffee County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: from U.S. Hwy 50 N on County Road 250 to ca 0.5 mi beyond BLM border, ca 7 air mi NW of Salida.  Elev. 8400 ft.
T50N R7E S24 SE1/4; also NE1/4 S25 and T50N R8E W1/2 S30.  38.5729 N, 106.1425 W.  
Pinyon-juniper. Phenology: flowering. 

Brian Elliott, 6710.  6/8/1999. 		RM 
     with Elizabeth Mark
_________________________________________________________________________

270.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Costilla County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Luis Valley: San Pedro Mesa, ca 1 mi E of Colo Hwy 159; ca 7 air mi N of New Mexico.  Elev. 7800-8300 ft.
37.075 N, 105.5042 W.  
Artemisia tridentada/pinyon-juniper. Phenology: flowering & fruiting. 

Brian Elliott, 6887.  6/11/1999. 		RM 
     with Elizabeth Mark
_________________________________________________________________________

271.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 2 air mi SW of Gardner on County Road 560.  Elev. 7200 ft.
T26S R71W S26 SW1/4; also N1/2 S35.  37.7551 N, 105.2942 W.  
Pinyon-juniper. Phenology: flowering & fruiting. 

Brian Elliott, 7203.  6/15/1999. 		RM 
     with Elizabeth Mark and Kenneth Elliott
_________________________________________________________________________

272.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: junction of Colo Hwy 69 and County Road 570, ca 5 air mi W of Gardner.  Elev. 7200 ft.
T26S R70W S5 W1/2.  37.8133 N, 105.2395 W.  
Pinyon-juniper woodland. Phenology: flowering & fruiting. 

Brian Elliott, 7230.  6/15/1999. 		RM 
     with Elizabeth Mark and Kenneth Elliott
_________________________________________________________________________

273.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, Phillips County: Malta.
Phenology: flowering. 

J. W. Blankinship, s.n..  8/25/1903. 		RM 121787
_________________________________________________________________________

274.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, Yellowstone County: Billings.
Phenology: flowering. 

J. W. Blankinship, s.n..  7/7/1902. 		RM 121788
_________________________________________________________________________

275.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana: Custer National Forest.  Elev. 2900 ft.
T5S R45E.  
West-facing slope; shale soil. Phenology: flowering & fruiting. 

R. T. Abbott, 3.  6/5/1912. 		USFS 518362
_________________________________________________________________________

276.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, Custer County: US Range Livestock Experiment Station: Sunday Creek, 10 mi N of Miles City.  Elev. 2400 ft.
Level slope; sandy soil. Common but not abundant. Phenology: flowering & fruiting. 

Leon C. Hurtt, H-120.  6/11/1932. 		USFS 518349
_________________________________________________________________________

277.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, Custer County: US Range Livestock Experiment Station: near field 8, W of Fort Keough proper.  Elev. 2400 ft.
Level slope; very fine, sandy loam soil; grassland; associated with wheatgrass, cheatgrass. Phenology: flowering & fruiting. 

E. J. Woolfolk, W-164.  5/28/1943. 		USFS 518348
_________________________________________________________________________

278.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, Custer County: US Range Livestock Experiment Station: Pasture L, near Custer Spring.  Elev. 2700 ft.
T7N R43E S33.  
Moderate, south-facing slope; sandy soil. One plant. Phenology: flowering. 

E. J. Woolfolk, W-115.  5/31/1937. 		USFS 518353
_________________________________________________________________________

279.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, McCone County: Charles M. Russell National Wildlife Refuge: near the south fork of Rock Creek Road.  Elev. 2280 ft.
T23N R43E S32.  
In open sagebrush prairie on sandy soil. Phenology: flowering & fruiting. 

Klaus H. Lackschewitz, 8280.  6/29/1978. 		RM 395207
_________________________________________________________________________

280.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., North Dakota, Dunn County: Manning.
Southeast-facing slope of hill where grass is killed out. Phenology: flowering. 

O. A. Stevens, 351.  6/8/1938. 		RM 239034
_________________________________________________________________________

281.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., North Dakota, Slope County: Marmarth.
Badlands; alkali wash at foot of bluff. Phenology: flowering. 

Lycurgus R. Moyer, 529.  6/10/1914. 		RM 110490
_________________________________________________________________________

282.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Buffalo County: Crow Creek.
Protected banks. Phenology: flowering. 

H. E. Lee, s.n..  5/3/1925. 		RM 118273
_________________________________________________________________________

283.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Buffalo County: Crow Creek.
Cliffs of Niobrara chalk. Phenology: flowering & fruiting. 

Henry Lee, 518.  5/10/1925. 		RM 106176
_________________________________________________________________________

284.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Nebraska, Box Butte County: Alliance.
Phenology: flowering. 

Harry Hapeman, s.n..  7/14/1935. 		RM 226445
_________________________________________________________________________

285.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Nebraska, Sioux County: 
Sandy prairies. Frequent. Phenology: flowering & fruiting. 

Joseph Kramer, 167.  7//1927. 		RM 120767
_________________________________________________________________________

286.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Nebraska, Morrill County: W of Bridgeport.
Phenology: flowering & fruiting. 

George E. Osterhout, 7200.  6/18/1930. 		RM 161781
_________________________________________________________________________

287.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Nebraska, Lincoln County: North Platte River.
Bluffs. Phenology: vegetative only. 

C. L. Shear, 4442.  6/22/1895. 		RM 150085
_________________________________________________________________________

288.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Nebraska, Garden County: 3 1/2 mi NW of Lisco on U.S. Highway 26.
Sandy wash; sagebrush-grassland association. Phenology: flowering & fruiting. 

B. J. Cox, 1731.  5/29/1970. 		RM 306944
     with D. B. Dunn, Sam Fleak
_________________________________________________________________________

289.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Nebraska, Sheridan County: Metcalf Public Hunting Grounds, 13 mi N of Hay Springs.  Elev. 3300 ft.
Ridge tops surrounded by open ridges and Pinus ponderosa forest. Phenology: flowering. 

Elray S. Nixon, 37.  5/23/1964. 		RM 275576
_________________________________________________________________________

290.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Luis Valley: E of Colo Hwy 150, ca 1.5 air mi S of Great Sand Dunes National Monument.  Elev. 8000 ft.
T27S R73W S29 SW1/4; also N1/2 S32.  37.6676 N, 105.5678 W.  
Grassland and pinyon-juniper. Phenology: flowering & fruiting. 

Brian Elliott, 7514.  6/20/1999. 		RM 
     with Elizabeth Mark
_________________________________________________________________________

291.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 9 air mi S of Gardener on County Road 530.  Elev. 7600 ft.
T27S R69W S33 NW1/4.  37.6531 N, 105.1118 W.  
Roadside. Phenology: flowering & fruiting. 

Brian Elliott, 8394.  7/7/1999. 		RM 
     with Elizabeth Mark
_________________________________________________________________________

292.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: north end of Walsenburg.  Elev. 6000 ft.
T28S R66W S4 NW1/4.  37.6385 N, 104.7835 W.  
Small pond in Sarcobatus scrubland. Phenology: flowering & fruiting. 

Brian Elliott, 8427.  7/7/1999. 		RM 
     with Elizabeth Mark
_________________________________________________________________________

293.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, Valley County: Along Willow Creek Road above Barber Coulee at a hunting and fishing parking area, ca 36 air mi SW of Glasgow.  Elev. 2520 ft.
T24N R36E S29 SE1/4.  47.8103 N, 107.1228 W; NAD 83, GPS reading.  
Grassland. Phenology: flowering. 

B. E. Nelson, 81959.  6/22/2011. 		RM 
_________________________________________________________________________

294.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, Valley County: Along Harper Ridge Road above and N of Carpenter Creek at the north boundary of Charles M. Russell National Wildlife Refuge, ca 40 air mi SW of Glasgow.  Elev. 2630-2780 ft.
T23N R36E S18 SE1/4.  47.7482 N, 107.1379 W to 47.7459 N, 107.1395 W; NAD 83, GPS reading.  
Grassland on sandy soil above the rough breaks. Phenology: flowering. 

B. E. Nelson, 82058.  6/22/2011. 		RM 
_________________________________________________________________________

295.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, Valley County: Ridge between Burnett Creek and Collins Creek E of Rock Creek Road, ca 19 air mi NNE of Hinsdale.  Elev. 2390-2500 ft.
T33N R36E S1 W1/2.  48.6535 N, 106.9642 W to 48.6475 N, 106.9567 W; NAD 83, GPS reading.  
Rolling plains grassland with stony soil and swales. Phenology: flowering & fruiting. 

B. E. Nelson, 82292.  6/26/2011. 		RM 
_________________________________________________________________________

296.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, Phillips County: Larb Hills (North): N of Cottonwood Creek, ca 4 air mi S of Bauer Reservoir, ca 13 air mi SW of Saco; ca 17.5 air mi ESE of Malta.  Elev. 2480-2650 ft.
T29N R32E S1 N1/2.  48.3002 N, 107.5084 W; NAD 83, GPS reading.  
Moist coulee bottom with thickets. Phenology: flowering. 

Joseph L. M. Charboneau, 6388.  6/30/2011. 		RM 
_________________________________________________________________________

297.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, Phillips County: Larb Hills (North): E of Lower Harb Road, ca 1.5 air mi E of Beaver Creek, ca 15 air mi SW of Saco; ca 15.5 air mi ESE of Malta.  Elev. 2330-2500 ft.
T29N R32E S3 NW1/4.  48.3039 N, 107.5591 W; NAD 83, GPS reading.  
Rolling sagebrush-grasslands on loamy soil with slopes and swales. Phenology: flowering. 

Joseph L. M. Charboneau, 6424.  6/30/2011. 		RM 
_________________________________________________________________________

298.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Montana, Valley County: Seventh Ridge, ca 4.5 air mi NE of Graveyard Hill, ca 22 air mi SW of Fort Peck; ca 27 air mi SSW of Glasgow.  Elev. 2440-2720 ft.
T24N R38E S22 NE1/4.  47.8326 N, 106.8203 W; NAD 83, GPS reading.  
Sandstone-based ridge. Phenology: flowering & fruiting. 

Joseph L. M. Charboneau, 7572.  7/14/2011. 		RM 
_________________________________________________________________________

299.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Mesa County: Colorado River Valley: unnamed side canyon E of De Beque Canyon, N of Kimbell Mesa, ca 21 air mi ENE of Grand Junction.  Elev. 5000-5240 ft.
T9S R97W S17 South1/2.  39.2712 N, 108.2422 W; NAD 83, , GPS reading.  
Sandy, cobbly slopes with juniper. Phenology: flowering. 

Michael K. Kirkpatrick, 4800.  5/17/2011. 		RM 
_________________________________________________________________________

300.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Mesa County: N of Shire Gulch between De Beque Cutoff Road and Sunnyside Road, ca 7 air mi SSE of De Beque at the intersection of I-70 and De Beque Cutoff Road.  Elev. 5480-5920 ft.
T9S R97W S25 SW1/4; also NW1/4 NW1/4 S36.  39.2377 N, 108.1737 W; NAD 83, , GPS reading.  
Sagebrush meadow with scattered juniper. Phenology: flowering. 

Michael K. Kirkpatrick, 4843.  5/19/2011. 		USFS 898153	Barcode: USFS0059748
_________________________________________________________________________

301.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Mesa County: Colorado River Valley: mesas on either side of Little Horsethief Creek, S of Sunnyside Road, ca 3 air mi NW of Horsethief Mountain and ca 2 air mi SE of De Beque.  Elev. 5200-5800 ft.
T8S R97W S35; also T9S R97W S2 N1/2.  39.3091 N, 108.1887 W to 39.3011 N, 108.1807 W; NAD 83, , GPS reading.  
Sandy slopes and river bench below sandstone bluffs. Phenology: flowering & fruiting. 

Michael K. Kirkpatrick, 4979.  5/22/2011. 		RM 
_________________________________________________________________________

302.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Mesa County: Unnamed mesa N of Plateau Creek, ca 6 air mi E of Colo Hwy 65 at I-70 and ca 5 air mi W of Molina.  Elev. 5100-5400 ft.
T10S R97W S13 N1/2.  39.1925 N, 108.1699 W to 39.1926 N, 108.1667 W; NAD 83, , GPS reading.  
Sandy slopes and cracks in sandstone cliffs with scattered sagebrush. Phenology: flowering. 

Michael K. Kirkpatrick, 5022.  5/24/2011. 		RM 
_________________________________________________________________________

303.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: U.S. Hwy 50, 2.5 air mi NW of Howard.  Elev. 6700-7700 ft.
T49N R10E S28 E1/2.  38.4742 N, 105.8712 W.  
Pinyon-juniper with rock outcrops. Phenology: flowering. 

Ronald L. Hartman, 65477.  7/31/1999. 		RM 
_________________________________________________________________________

304.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Mesa County: Dominguez Canyon Wilderness Study Area: Cactus Park Trail, 4.4 road mi SE of Colo Hwy 141, ca 22.5 air mi WNW of Delta.  Elev. 5600-6400 ft.
T14S R99W S22; also SW1/4 S23 and S26.  38.8269 N, 108.4528 W to 38.8118 N, 108.4318 W to 38.8067 N, 108.439 W; NAD 83, , GPS reading.  
Pinyon/juniper in sandstone canyon. Phenology: flowering. 

Lori E. Brummer, 489.  6/11/2010. 		RM 
_________________________________________________________________________

305.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Delta County: Uncompahgre Plateau: Escalante Canyon, McCarthy Trail, ca 11.5 air mi W of Delta.  Elev. 4950-6100 ft.
T15S R97W S19 N1/2; also South1/2 S18 and T15S R98W S24 W1/2.  38.738 N, 108.2674 W to 38.7456 N, 108.2781 W to 38.735 N, 108.2933 W; NAD 83, , GPS reading.  
Juniper grasslands on clay hillsides with sandstone mesa tops. Phenology: flowering & fruiting. 

Lori E. Brummer, 2698.  5/17/2011. 		RM 
_________________________________________________________________________

306.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Delta County: Uncompahgre Plateau: Escalante Canyon, McCarthy Trail, ca 11.5 air mi W of Delta.  Elev. 4950-6100 ft.
T15S R97W S19 N1/2; also South1/2 S18 and T15S R98W S24 W1/2.  38.738 N, 108.2674 W to 38.7456 N, 108.2781 W to 38.735 N, 108.2933 W; NAD 83, , GPS reading.  
Juniper grasslands on clay hillsides with sandstone mesa tops. Phenology: flowering. 

Lori E. Brummer, 2707.  5/17/2011. 		RM 
_________________________________________________________________________

307.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Mesa County: Uncompahgre Plateau: Dominguez Canyon, middle section of trail to Cactus Park Trail junction, ca 20 air mi NNW of Delta.  Elev. 4950-5700 ft.
T14S R99W S27 South1/4; also S26, NE1/4 S25, and T14S R98W S19 South1/2.  38.8003 N, 108.438 W to 38.8184 N, 108.3862 W; NAD 83, , GPS reading.  
Desert grassland and shrubland with scattered pinyon and juniper in wide sandstone canyon. Phenology: flowering & fruiting. 

Lori E. Brummer, 3058.  5/25/2011. 		RM 
_________________________________________________________________________

308.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Goshen County: Ca 4 mi E of Torrington.  Elev. 4300 ft.
42 4.8' N, 104 6.3' W; unknown, , GPS reading.  
Sandhills, with Descurainia and Artemisia filifolia. Flowers white. Phenology: flowering. 

Robert D. Dorn, 10987.  5/19/2014. 		RM 921810	Barcode: RM0079979
_________________________________________________________________________

309.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: Ca 6 mi SW of Wheatland.  Elev. 4900 ft.
42 1.9' N, 105 6' W; unknown, , GPS reading.  
Grassland, with Cryptantha and Astragalus. Flowers white. 

Robert D. Dorn, 4900.  6/2/2014. 		RM 
_________________________________________________________________________

310.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Niobrara County: Ca 4 mi NE of Mule Creek Junction.  Elev. 3800 ft.
43 24.7' N, 104 9.2' W; unknown, , GPS reading.  
Sandy grassland, with Abronia and Aristida. Flowers white. Phenology: flowering. 

Robert D. Dorn, 11262.  6/30/2014. 		RM 921236	Barcode: RM0079331
_________________________________________________________________________

311.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: Ca 6 mi SW of Wheatland.  Elev. 4900 ft.
42 1.9' N, 105 6' W; unknown, , GPS reading.  
Grassland, with Cryptantha and Astragalus. Flowers white. Phenology: flowering. 

Robert D. Dorn, 11047.  6/2/2014. 		RM 921846	Barcode: RM0079993
_________________________________________________________________________

312.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: Camp Guernsey: Walsh Ranch parcel; south end of transect ca 7.9 km NE of Guernsey Reservoir, ca 1.3 km SW of Range Guard 4.  Elev. 1555 m.
522782E, 4691215N to 522694E, 4690783N; unknown, GPS reading.  
North-facing slope; burned pine/juniper woodland; silty loam with cobbles and larger rocks; with Cercocarpus montanus (sprouting from burned base), Draba reptans, Pulsatilla patens, Sisymbrium altissimum, Zigadenus venenosus, Allium textile, Bromus tectorum, Helianthus sp. Phenology: flowering & fruiting. 

Nancy E. Hastings, 99.  5/22/2007. 		RM 957966	Barcode: RM0213246
_________________________________________________________________________

313.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: Camp Guernsey: Cundall Ranch parcel; south end of transect ca 1.7 km due W of North Platte River, ca 3.4 km NW of Wendover Bend Ranch.  Elev. 1427 m.
508100E, 4687840N to 508130E, 4687740N; unknown, GPS reading.  
West-facing slope; mixed grass prairie with scattered silver sagebrush; silty loam with pebbles to cobbles; with Hesperostipa comata, Artemisia nova, A. frigida, Aristida purpurea, Bouteloua gracilis, Gutierrezia sarothrae, Tetraneuris acaulis, Lappula redowskii, Penstemon albidus Scattered; erect, taprooted, annual herb; less than 10 cm tall; corolla white. Phenology: flowering & fruiting. 

Nancy E. Hastings, 220.  5/25/2007. 		RM 957967	Barcode: RM0213247
     with P. Block
_________________________________________________________________________

314.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: Camp Guernsey: ca 1.9 km WSW of Register Cliff Historical Monument, ca 1.6 km S of North Platte River.  Elev. 1372 m.
zone DMC, 521450E, 4676500N; unknown, GPS reading.  
Cliffs and ravines; grassland to intermittent stream; limestone cap and loam; with Juniperus scopulorum, Oenothera albicaulis, Koeleria macrantha, Penstemon erianthus var. erianthus, Bromus, Poa spp. Common; erect, taprooted annual; to 20 cm tall; corolla white. Phenology: flowering & fruiting. 

Patricia P. Douglas, 249.  6/15/1995. 		RM 957493	Barcode: RM0215824
     with Carlos M. Popolizio, Rosalie M. Smith
_________________________________________________________________________

315.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: Camp Guernsey: ca 0.5 km W of North Platte River, ca 0.2 km N of Cottonwood Creek.  Elev. 1384 m.
zone DMC, 510000E, 4685900N; unknown, GPS reading.  
Rolling hills; mixed grassland; sandy loam; wiith Artemisia frigida, A. cana, Camelina microcarpa, Penstemonm albidus, Stipa comata. Common; erect, taprooted annual herb; 10-15 cm tall; corolla white. Phenology: flowering & fruiting. 

Patricia P. Douglas, 82A.  6/12/1995. 		RM 957494	Barcode: RM0215825
     with B. E. Nelson, Carlos A. Popolizio, Rosalie M. Smith
_________________________________________________________________________

316.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeast Plains: Southern Powder River Basin: Wyoming Game and Fish Access area along the North Platte River in vicinity of Carey, ca 10 air mi E of Glenrock.  Elev. 4980 ft.
T33N R73W S6 W1/2.  42.8584 N, 105.6638 W; uncertainty 1 mi..  
River margin and sandy flats and slopes. Phenology: flowering. 

Ronald L. Hartman, 38804.  6/27/1993. 		RM 606355	Barcode: RM0252596
_________________________________________________________________________

317.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Laramie County: Campus of Laramie County Community College, SE of Cheyenne.  Elev. 6100 ft.
T13N R66W S9 SW1/4.  41.1064 N, 104.7831 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Short grass prairie. Phenology: flowering. 

William C. Edwards, 44.  6/6/1983. 		RM 365045	Barcode: RM0252594
_________________________________________________________________________

318.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Laramie County: Campus of Laramie County Community College: SE of Cheyenne.  Elev. 6100 ft.
T13N R66W S9 SW1/4.  41.1064 N, 104.7831 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Short grass prairie. Phenology: flowering. 

William C. Edwards, 25.  6/3/1983. 		RM 365089	Barcode: RM0252593
_________________________________________________________________________

319.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Johnson County: Buffalo.
Phenology: flowering. 

Margaret Lothian, s.n..  6//1903. 		RM 51865	Barcode: RM0252592
_________________________________________________________________________

320.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: U.S. Hwy 20, 26, 87, ca 8 air mi E of Casper.  Elev. 5200-5250 ft.
T33N R78W S2 SE1/4; also N1/2 S11.  42.8501 N, 106.1701 W; uncertainty 1 mi..  
Sandstone outcrops, sandy slopes and grassland. Phenology: flowering. 

Ronald L. Hartman, 38533.  6/26/1993. 		RM 606353	Barcode: RM0252590
_________________________________________________________________________

321.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Natrona County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Emigrant Gap Ridge, ca 12 air mi W of Casper.  Elev. 5548-5580 ft.
T33N R81W S4 E1/4.  42.8533 N, 106.5578 W; uncertainty 1 mi..  
Sandy and shaly areas with ponderosa pine on ridges. Phenology: flowering. 

Ronald L. Hartman, 38073.  6/23/1993. 		RM 606352	Barcode: RM0252589
_________________________________________________________________________

322.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Laramie County: Pine Bluffs.  Elev. 5000-5400 ft.
T14N R60W S22.  41.1641 N, 104.07 W; NAD 83, uncertainty 2 mi., Nat. Geog. TOPO!.  
In dry wallows. Mixed collection with O. cespitosa var. cespitosa. Phenology: flowering. 

Aven Nelson, 2893.  5/15/1897. 		RM 29019	Barcode: RM0252588
_________________________________________________________________________

323.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Niobrara County: Western part of the Great Plains Prairie at Jireh.  Elev. 5350 ft.
T32N R66W S12.  42.7655 N, 104.7172 W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!.  
In sandy-silt loam. Phenology: flowering. 

Wright L. Hess, 93.  7/20/1915. 		RM 86868	Barcode: RM0252587
_________________________________________________________________________

324.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Laramie County: Campus of Laramie County Community College, SE of Cheyenne.  Elev. 6100 ft.
T13N R66W S9 SW1/4.  41.1064 N, 104.7831 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Short grass prairie. Phenology: flowering. 

William C. Edwards, 134.  7/26/1983. 		RM 364960	Barcode: RM0252585
_________________________________________________________________________

325.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Albany County: Laramie Range: Nueces Ranch (old Adam Boyd Ranch), ca 25 mi SW of Wheatland.  Elev. 6100 ft.
T22N R71W S5.  
Rocky hillside. Flowers white. Phenology: flowering. 

Ruth O'Brien, 1447.  6/12/1986. 		RM 398321	Barcode: RM0252577
_________________________________________________________________________

326.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: 10 mi S of Glendo on U.S. Hwy 87.
Phenology: flowering. 

V. June Wetherell, 77.  6/17/1959. 		RM 260405	Barcode: RM0252576
_________________________________________________________________________

327.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Laramie County: F. E. Warren Air Force Base: Crow Creek near gate 2.  Elev. 6100 ft.
T14N R67W S35.  41.15715 N, 104.87334 W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!.  
Riparian. Phenology: flowering. 

D. Long, s.n..  6//1983. 		RM 397915	Barcode: RM0252575
     with J. Von Loh
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328.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Powder River Basin: ca 12.5 air mi NE of Bill.  Elev. 4500 ft.
T40N R69W S33.  43.4011 N, 105.1453 W; uncertainty 1 mi..  
Ridge. Phenology: flowering. 

Ronald L. Hartman, 6676.  6/20/1978. 		RM 322015	Barcode: RM0252561
     with Keith Dueholm and Mary Alice Sanguinetti
_________________________________________________________________________

329.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Laramie County: Ca 5 mi NE of Cheyenne, Wayne Childs Ranch.  Elev. 6150 ft.
41.2185 N, 104.7609 W; NAD 83, , Nat. Geog. TOPO!.  
In sandy soil, open ground, short grass prairie. Phenology: flowering. 

Barry Hammel, 749.  9/17/1977. 		RM 302148	Barcode: RM0252542
_________________________________________________________________________

330.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Sheridan County: Hills E of Sheridan.  Elev. 3800 ft.
Sandy plains. Phenology: flowering. 

Seymour S. Sharp, 123.  6/17/1912. 		RM 288137	Barcode: RM0252541
_________________________________________________________________________

331.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: Guernsey.
Sandy river bottoms. Phenology: flowering. 

Aven Nelson, 8262.  6/26/1901. 		RM 37657	Barcode: RM0252540
_________________________________________________________________________

332.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: Douglas, E of city.
Rangeland. Phenology: flowering. 

Robert E. Pfadt, 4.  6/3/1943. 		RM 193671	Barcode: RM0252538
_________________________________________________________________________

333.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: Black Thunder Strip Mining Area: North Prong of Thunder Creek and Little Thunder Creek.  Elev. 4730 ft.
T43N R70W S20 NE1/4 SW1/4.  43.6859 N, 105.2893 W; uncertainty 0.25 mi..  
Upland sagebrush-grass; with big sagebrush, blue grama, needleandthread, plains prickley pear; sandy, Maysdorf and Pugsley soil series. Phenology: flowering. 

R. E. Ries, 124.  6/21/1973. 		RM 293471	Barcode: RM0252537
     with D. W. Sabinske
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334.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Goshen County: Table Mountain Wildlife Unit.  Elev. 4000-4100 ft.
T22N R61W S24; also S25.  41.8563 N, 104.14 W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!.  
Phenology: flowering. 

Robert Luce, 16.  5/13/1975. 		RM 297726	Barcode: RM0252536
_________________________________________________________________________

335.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Sheridan County: Hills E of Sheridan.  Elev. 3850 ft.
Waste ground. Phenology: flowering. 

Seymour S. Sharp, 124.  6/17/1912. 		RM 288135	Barcode: RM0252535
_________________________________________________________________________

336.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Converse County: 1 mi E of Douglas.
Sandy clay soil on hillside. Phenology: flowering. 

Charles L. Turner, 7.  5/6/1946. 		RM 200546	Barcode: RM0252532
_________________________________________________________________________

337.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Natrona County: Loomis Creek.  Elev. 5200 ft.
T32N R81W S22.  42.7648 N, 106.5198 W; NAD 83, uncertainty 1 mi., Digital Map.  
Flat clear of sage-brush. Phenology: flowering. 

Leslie N. Goodding, 193.  7/3/1901. 		RM 37658	Barcode: RM0252531
_________________________________________________________________________

338.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Platte County: Wheatland.
Phenology: flowering. 

Aven Nelson, 380.  7/9/1894. 		RM 3143	Barcode: RM0252530
_________________________________________________________________________

339.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, no county County: 
Phenology: flowering. 

B. C. Buffum, s.n..  8/9/1891. 		RM 339	Barcode: RM0252539
_________________________________________________________________________

340.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Campbell County: N of Gillette.  Elev. 4550 ft.
T50N R71W; T51N R72W S6.  
Sagebrush--grassland. Phenology: flowering. 

Richard F. Harner, 83.  6/18/1974. 		RM 293278	Barcode: RM0252529
_________________________________________________________________________

341.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., South Dakota, Custer County: Edgemont Road, 20 mi SW of Hot Springs.
Rolling hills; sage - grass association; xero-mesophytic. Phenology: flowering. 

Herman E. Hayward, 2530.  7/30/1927. 		RM 304683	Barcode: RM0252527
_________________________________________________________________________

342.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Johnson County: Bighorn National Forest: North Clear Creek.  Elev. 5100 ft.
T50N R83W.  
Gentle southeast slope; light sandy soil; park; with wheat and grama grasses. Scarce; 10"-12" tall. Phenology: flowering. 

Edwin L. Miller, 306.  6/27/1932. 		USFS 407116	Barcode: USFS0070531
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343.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Wyoming, Sweetwater County: Great Divide Basin Area: Oregon Buttes Wilderness Study Area: ca 2.5 air mi SE of Oregon Butte summit, ca 16 air mi SW of South Pass City.  Elev. 7300 ft.
T26N R101W S13 NW1/4.  42.2307 N, 108.8211 W; WGS 84, , GPS reading.  
Basin slope, south aspect; with Hesperostipa comata, Phlox muscoides, Eremogone hookeri. Phenology: flowering. 

Bonnie Heidel, 4658.  6/26/2018. 		RM 981935	Barcode: RM0251805
_________________________________________________________________________

344.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Sand Gulch off Sand Gulch or County Road 13, ca 2.8 road mi NE of intersection with County Road 12, ca 3 air mi NNE of Cotopaxi.  Elev. 7120-7440 ft.
T48N R12E S17 E1/2; also SE1/4 S8.  38.4836 N, 105.666 W; uncertainty 1 mi..  
Sparsely wooded slopes and drainages in pinyon-juniper on sandy-gravelly granitic soils with large granite outcrops. Phenology: flowering. 

Timothy W. Chumley, 1327.  6/30/1995. 		 
_________________________________________________________________________

345.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: along the north face of Little Crampton Mountain and W along Cottonwood Creek, ca 1.5 air mi W of Colo Hwy 9, ca 13.5 air mi WNW of Canon City.  Elev. 6800-7700 ft.
T17S R72W S16; also S15.  38.5688 N, 105.4488 W; uncertainty 1 mi..  
On the lower slopes of the mountain. Phenology: flowering. 

Timothy W. Chumley, 2422b.  7/25/1995. 		 
_________________________________________________________________________

346.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Pueblo County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Fort Carson: ca 2 air mi NW of Stone City; ca 8 air mi NE of Penrose; ca 21 air mi NW of Pueblo.  Elev. 5520 ft.
T18S R67W S27 NE1/4.  38.4553 N, 104.8745 W; uncertainty 1 mi..  
On sandstone and shale slopes of a broad, open drainage. Phenology: flowering. 

Timothy W. Chumley, 679.  6/6/1995. 		 
_________________________________________________________________________

347.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Sixmile Park: from Indian Springs Campground N along a tributary of Sixmile Creek, following an old road; ca 6 air mi NW of Canon City.  Elev. 5400-6730 ft.
T18S R69W S5 W1/2; also NC1/4 S8.  38.5131 N, 105.1326 W; uncertainty 1 mi..  
Open, flat upland meadow. Phenology: flowering & fruiting. 

Timothy W. Chumley, 792.  6/14/1995. 		 
_________________________________________________________________________

348.  Oenothera albicaulis Pursh 				Onagraceae

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Sand Gulch S along a drainage intersecting Sand Gulch Road ca 1.2 road mi from intersection with Colo Hwy 9, ca 15 air mi NW of Canon City.  Elev. 6900-7000 ft.
T17S R72W S9 SE1/4.  38.5831 N, 105.4488 W; uncertainty 1 mi..  
In a coarsely sandy, highly disturbed wash. Phenology: flowering & fruiting. 

Timothy W. Chumley, 875b.  6/16/1995. 		 
_________________________________________________________________________