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

Database Search Results

352 matching records found (of 352).
Search query: Genus begins with Persicaria, Species begins with amphibia, (search polygon not defined)
Sorted by: Scientific Name

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1.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Well Creek, on Stewart Road, ca 10 air mi WNW of Moorcroft; ca 18 air mi E of Gillette.  Elev. 4280-4320 ft.
T50N R69W S16 NE1/4.  44.314 N, 105.1557 W.  
Pond. Phenology: flowering. 

Peter J. Ebertowski, 6569.  7/11/2003. 		RM 
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2.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Belle Fourche River, on Clarkelen Road, ca 13 air mi SW of Wright; ca 45 air mi SSW of Gillette.  Elev. 5090-5150 ft.
T43N R74W S36 SE1/4.  43.6576 N, 105.6883 W.  
Retention pond shoreline. Phenology: flowering. 

Peter J. Ebertowski, 6703.  7/14/2003. 		RM 
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3.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Crook County: Thunder Basin National Grassland and Vicinity: Duck Creek, on U.S. Hwy 14, ca 3 air mi NE of Moorcroft; ca 22 air mi E of Gillette.  Elev. 4120-4140 ft.
T50N R67W S16 W1/2.  44.314 N, 104.9127 W.  
Creek bank lined with snowberry. Phenology: flowering. 

Peter J. Ebertowski, 7174.  7/25/2003. 		RM 
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4.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: reservoirs between Weston and Little Powder River, on Forest Road 908, ca 27 air mi NNE of Gillette; ca 32 air mi NW of Moorcroft.  Elev. 3700-3760 ft.
T54N R70W S19 W1/2.  44.6439 N, 105.319 W.  
Shoreline of reservoir. Phenology: flowering. 

Peter J. Ebertowski, 8626.  8/25/2003. 		RM 
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5.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ca 1 mi NW of Four Bear (Black) Mountain and ca 3 mi N of U.S. Hwy 14, 16, & 20.  Elev. 7100 ft.
T52N R104W S6 NE1/4.  44.5079 N, 109.406 W.  
Around ponds at end of dirt road in the open. Phenology: vegetative only. 

Erwin F. Evert, 14528.  6/14/1988. 		RM 753517	Barcode: RM0229139
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6.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Park County: Bighorn Basin: around the easternmost Newton Lake, ca 4 mi NW of Cody.  Elev. 5219 ft.
T53N R102W S26; also S27.  44.5428 N, 109.1082 W.  
Disturbed lake margin in moist-wet soil with Hordeum jubatum, Melilotus officinalis, Medicago sativa and Populus deltoides. Phenology: vegetative only. 

Erwin F. Evert, 19305.  6/26/1990. 		RM 619379	Barcode: RM0228961
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7.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Park County: Yellowstone Valley: south shore of Dailey Lake, ca 15 mi N of Gardiner.  Elev. 5241 ft.
T7S R7E S1.  45.2556 N, 110.8074 W.  
Lakeshore with Distichlis stricta, Festuca arundinacea, Spartina gracilis, and Scirpus nevadensis. Phenology: flowering. 

Erwin F. Evert, 21639.  7/9/1991. 		RM 739019
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8.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Idaho, Fremont County: Sarghee National Forest: Yellowstone Plateau: along shore of Paddy Lake, just N of Forest Road 261 (Reclamation Road), ca 18 mi E of Ashton.  Elev. 6240 ft.
T9N R45E S34; also T8N R45E S3.  44.0643 N, 111.1221 W.  
Wet soil and shallow water with Porterella carnosula, Sagittaria cuneata, Nuphar polysepalum, and Carex athrostachya. 

Erwin F. Evert, 26276.  7/24/1993. 		RM 
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9.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Carbon County: Ridgetop at head of South Fork Dry Creek and Rosetta Creek; ca 4 mi NE of Red Lodge.  Elev. 5575 ft.
T7S R21E S18 South1/2.  45.221 N, 109.1824 W.  
Edge of pond immediately S of dirt road with Carex nebrascensis, Carex praegracilis, and Scirpus validus. Phenology: vegetative only. 

Erwin F. Evert, 26751.  6/5/1994. 		RM 780266
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10.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Madison County: Bear Trap Canyon ca 1 mi N of dam, ca 5 mi NE of McAllister.  Elev. 4850 ft.
T4S R1W S17 SE1/4.  45.487 N, 111.7529 W.  
Wet soil along river at parking area. Phenology: vegetative only. 

Erwin F. Evert, 27255.  6/18/1994. 		RM 781534
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11.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Bridger-Teton National Forest: Soda Lake 2 mi S of the Gros Ventre River, 28 mi E of Jackson.  Elev. 7850 ft.
T41N R112W S11.  43.5332 N, 110.2577 W.  
Lake shore and drying depressions at north end of lake with Juncus tenuis var. dudleyi, Epilobium ciliatum, and Potentilla anserina. Phenology: vegetative only. 

Erwin F. Evert, 32009.  7/9/1996. 		RM 787854	Barcode: RM0226063
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12.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Teton Range: Grand Teton National Park: along west and north shores of Bearpaw Lake.  Elev. 6848 ft.
T45N R116W S25.  43.8345 N, 110.7243 W; uncertainty 1 mi..  
Wet soil and standing water with Carex canescens, Juncus ensifolius, and Calamagrostis canadensis. Phenology: vegetative only. 

Erwin F. Evert, 32317.  7/27/1996. 		RM 788802	Barcode: RM0226061
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13.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Teton Range: Grand Teton National Park: east side of Trapper Lake.  Elev. 6920 ft.
T45N R116W S25.  43.8345 N, 110.7243 W; uncertainty 1 mi..  
Shallow water with Carex rostrata, Eleocharis palustris, and Potamogeton gramineus. Phenology: flowering & fruiting. 

Erwin F. Evert, 32322.  7/27/1996. 		RM 788793	Barcode: RM0226062
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14.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Carbon County: Along the east side of the Clarks Fork Yellowstone River and railroad tracks, ca 4 mi N of Fromberg.  Elev. 3470 ft.
T4S R23E S26.  45.4578 N, 108.853 W; uncertainty 1 mi..  
Wet meadow/fen with Juncus balticus, Distichlis stricta, and Carex praegracilis. Phenology: vegetative only. 

Erwin F. Evert, 32949.  6/11/1997. 		RM 818337	Barcode: RM0021563
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15.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Sweet Grass County: Grey Bear Campground/Boating Access, along the south side of the Yellowstone River, 6 mi SW of Big Timber.  Elev. 4100 ft.
T1N R13E S35.  
Disturbed riparian community on sandy soil with Populus angustifolia, Cornus sericea, Chenopodium botrys, and Spartina pectinata. Phenology: flowering. 

Erwin F. Evert, 34545.  8/5/1997. 		RM 819906	Barcode: RM0014615
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16.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: Rio Grande National Forest: SW of Spring Creek Reservoir Picnic Ground, ca 13 air mi SW of Creede.  Elev. 9100 ft.
T41N R3W S24 SW1/4.  37.7916 N, 106.5983 W.  
Beaver ponds and roadside. Phenology: flowering. 

Jeanette Flaig, 2005.  7/30/2003. 		RM 
     with Kurt Flaig
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17.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Arizona, Coconino County: Coconino National Forest: Anderson Mesa: Mud Lake.  Elev. 7180 ft.
T18N R10E S20.  34.9261 N, 111.3552 W.  
Lake margin and area upslope. Phenology: flowering. 

Ronald L. Hartman, 84261.  9/14/2006. 		RM 
     with James F. Fowler
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18.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Arizona, Coconino County: Coconino National Forest: Anderson Mesa: Kinnikinick Lake.  Elev. 7055 ft.
T18N R10E S35.  34.8957 N, 111.3112 W.  
Lake margin and periphery. Phenology: flowering. 

Ronald L. Hartman, 84274.  9/14/2006. 		RM 
     with James F. Fowler
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19.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: Sweetwater River, ca 11.5 air mi SW of Atlantic City; ca 11.5 air mi NW of Continental Peak.  Elev. 7415 ft.
T28N R101W S28 W1/4; also NE1/4 S29.  42.3703 N, 108.8772 W.  
Gravel bank near river; Poa dominant; moist sandy soil. Phenology: flowering. 

Laura Welp, 3451.  8/11/1994. 		 
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20.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Great Divide Basin Area: Sweetwater River Drainage: Rock Creek, ca 6 air mi W of Radium Springs; ca 8 air mi SE of Atlantic City.  Elev. 7320 ft.
T28N R99W S3 NE1/4; also T29N R99W SE1/4 S35.  42.3564 N, 108.6039 W.  
Floating in creek near bank. Phenology: flowering. 

Laura Welp, 3628.  8/15/1994. 		 
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21.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Gros Ventre Area: Soda Lake and outlet stream.  Elev. 7800 ft.
T41N R112W S11 SE1/4; also NE1/4 S14.  43.5332 N, 110.2577 W; uncertainty 1 mi..  
Wet margins and adjacent coniferous forests. Phenology: flowering. 

Ronald L. Hartman, 49786.  8/19/1994. 		RM 49786	Barcode: RM0228250
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22.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Laramie County: Southeastern Plains: along Horse Creek.  Elev. 1600-1650 m.
T18N R65W S34; also S35 and S36.  
Riparian. Phenology: flowering. 

Donald L. Hazlett, 9241.  8/24/1995. 		 
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23.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 2 air mi N of Red Elephant Mountain.  Elev. 9100-9400 ft.
T11N R82W S17; also S18, S19, S20.  
Aquatic. 

Nancy Kastning, 1198.  8/16/1988. 		 
     with Sunny & Joel Kastning
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24.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Jackson County: Sierra MadreRange: Park Range: ca 2 air mi N of Red Elephant Mountain.  Elev. 9250 ft.
T11N R82W S17; also S19, S20.  
Aquatic. 

Nancy Kastning, 1198.  8/16/1988. 		 572956
     with Sunny and Joel Kastning
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25.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Jackson County: Sierra MadreRange: Park Range: ca 18 air mi WSW of Walden, Livingston Park-Norris Creek area.  Elev. 8660-9200 ft.
T8N R82W S16.  40.6625 N, 106.6067 W.  
Open area with beaver pond and mixed lodgepole pine-aspen stands. 

Nancy Kastning, 2683.  8/15/1989. 		 
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26.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Routt County: Sierra MadreRange: Park Range: along U.S. Hwy 40, ca 0.2 mi S of Walton Creek Road near Holiday Inn and Super 8 Motel.  Elev. 6730 ft.
T6N R84W S28.  40.4498 N, 106.8164 W.  
Ditches along roadside near Holiday Inn and Super 8 Motel. 

Neil Snow, 5645.  8/9/1989. 		RM 572840
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27.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: Gunnison River, ca 4 air mi WSW of Gunnison.  Elev. 7500 ft.
T49N R1W S8 SE1/4.  38.5215 N, 106.9933 W.  
Along and in ponds of constructed wetlands. Phenology: flowering. 

Kevin J. Taylor, 8991.  7/20/1998. 		 777552
     with John Gutrich
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28.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 1 air mi NE of Cactus Flats and 1 1/4 air mi due E of County Road CH8.  Elev. 2475 ft.
T2S R19E S29 NW1/4.  43 50.848' N, 101 52.684' W; GPS Reading.  
At the shores of a reservoir, soils are loamy clay. Phenology: flowering. 

Grace M. Kostel, 9063.  7/22/2005. 		RM 
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29.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 2 air mi NE of Cactus Flats in Big Buffalo Creek.  Elev. 2460 ft.
T2S R19E S20 South1/2.  43 51.375' N, 101 52.179' W; GPS Reading.  
Wooded draw exclosed from grazing, soils are loam and loamy clay. Phenology: flowering. 

Grace M. Kostel, 9076.  7/22/2005. 		RM 
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30.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Laguna Larga at the end of Forest Road 78, ca 6 air mi SE of San Miguel; ca 18 air mi NNW of Tres Piedras.  Elev. 9000-9020 ft.
T31N R8E S33 N1/2.  36.8855 N, 106.1095 W; NAD 83, , GPS Reading.  
Emergent in marshy lake. Phenology: flowering. 

B. E. Nelson, 66455.  8/8/2005. 		RM 944330	Barcode: RM0129760
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31.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: small road E off Forest Road 45 toward Big Rock to Posos Lake, ca 2 air mi W of Las Tablas.  Elev. 8785 ft.
T27N R8E S15..  36.5722 N, 106.0822 W; GPS Reading.  
Stock pond and granite outcrops. Phenology: flowering. 

Jill E. Larson, 3273.  7/27/2005. 		RM 944332	Barcode: RM0129735
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32.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: Uncompahgre Plateau: at stockpond S of Hanks Valley Road, and by Cedar Creek.  Elev. 8200 ft.
T46N R11W S17.  38.2409 N, 108.1032 W.  
In and next to stock pond, and in riparian area by creek. Phenology: flowering. 

Margarette J. Lyon, 2036.  7/9/1993. 		 
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33.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 1 mi N of Louis Lake, ca 18 air mi SSW of Lander.  Elev. 8790 ft.
T31N R101W S36.  42.6104 N, 108.8548 W; GPS Reading.  
Pond. Phenology: flowering. 

Rob Massatti, 4095.  8/13/2005. 		USFS 849818	Barcode: USFS0032902
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34.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: between Little Popo Agie River and Louis Lake, ca 15 air mi SSW of Lander.  Elev. 8320-8450 ft.
T30N R101W S1 E1/2.  42.6002 N, 108.8425 W to 42.6056 N, 108.8327 W; GPS Reading.  
Pond margins (saturated mud). Phenology: flowering. 

Rob Massatti, 4387.  9/3/2005. 		USFS 849817	Barcode: USFS0033104
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35.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: along south side of U.S. Hwy 50, just S of the cemetary, ca 1.6 road mi E of downtown Gunnison.  Elev. 7700 ft.
T49N R1E S5 NW1/4; also NE1/4 S6.  38.536 N, 106.8842 W.  
Roadside. Phenology: flowering. 

Melanie Arnett, 2688.  8/7/1998. 		RM 
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36.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Dolores County: Upper Dolores River Drainage and Adjacent Areas: San Juan National Forest: ca 14 air mi N of Dolores S of Forest Road 520A at the Cabin Reservoir Area.  Elev. 8300 ft.
T39N R16W S2.  37.6693 N, 108.5857 W.  
Wetlands around reservoir and associated emergent plants. Phenology: flowering. 

Lynn Marie Moore, 7214.  7/15/1995. 		 714986
     with Sierra Smith
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37.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Jackson County: Sierra Madre/Park Ranges: Park Range: ca 18 air mi WSW of Walden, Livingston Park-Norris Creek area.  Elev. 8660-9200 ft.
T8N R82W S16.  
Open area with beaver pond and mixed lodgepole pine-aspen stands. 

Nancy Kastning, 2683.  8/15/1989. 		 
     with Sunny & Joel Kastning
_________________________________________________________________________

38.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Natrona County: Wetlands and Adjacent Areas: Pathfinder Reservoir, ca 41 air mi SE of Casper.  Elev. 5693 ft.
T29N R85W S6 SE1/4.  42.5081 N, 107.06 W; GPS Reading.  
Middle of stream in slow-moving water, moist banks and flood plains. Phenology: flowering. 

Rachel Newton, 1819.  7/11/2005. 		RM 
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39.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: Green River, ca 12 air mi NNE of La Barge.  Elev. 6704 ft.
T28N R112W S12 NW1/4.  42.4232 N, 110.1036 W; GPS Reading.  
Partially submerged right next to river bank. Phenology: flowering. 

Rachel Newton, 2308.  7/20/2005. 		RM 
_________________________________________________________________________

40.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Albany County: Wetlands and Adjacent Areas: Laramie River, ca 4 air mi SW of Laramie.  Elev. 6774 ft.
T15N R74W S23 W1/2.  41.2552 N, 105.6676 W; GPS Reading.  
Moist banks. Phenology: flowering. 

Rachel Newton, 2636.  7/27/2005. 		RM 
_________________________________________________________________________

41.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Carbon County: Wetlands and Adjacent Areas: North Platte River, ca 12 air mi NE of Encampment.  Elev. 6709 ft.
T16N R83W S28 NW1/4.  41.3317 N, 106.7272 W; GPS Reading.  
Submerged in slow-moving water. Phenology: flowering. 

Rachel Newton, 2710.  7/29/2005. 		RM 
_________________________________________________________________________

42.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Sweetwater County: Wetlands and Adjacent Areas: Green River, ca 30 mi NNW of Rock Springs.  Elev. 6221 ft.
T21N R109W S26 SE1/4.  41.7644 N, 109.736 W; GPS Reading.  
Moist river banks and exposed bottoms. Phenology: flowering. 

Rachel Newton, 3166.  8/6/2005. 		RM 
_________________________________________________________________________

43.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Lincoln County: Wetlands and Adjacent Areas: Hams Fork, ca 11 air mi NW of Kemmerer.  Elev. 7092 ft.
T23N R117W S36 SW1/4.  41.9292 N, 110.6396 W; GPS Reading.  
Moist banks. Phenology: flowering. 

Rachel Newton, 3261.  8/7/2005. 		RM 
_________________________________________________________________________

44.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Sweetwater River, ca 38 air mi SE of Lander.  Elev. 6467 ft.
T30N R94W S16 NE1/4.  42.5799 N, 108.0773 W; GPS Reading.  
Submerged in slow-moving water. Phenology: flowering. 

Rachel Newton, 3391.  8/10/2005. 		RM 
_________________________________________________________________________

45.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Sublette County: Wetlands and Adjacent Areas: New Fork Lakes, ca 17 air mi N of Pinedale.  Elev. 7600 ft.
T36N R109W S7 NW1/4.  43.1142 N, 109.916 W; GPS Reading.  
Submerged in water. Phenology: flowering. 

Rachel Newton, 3650.  8/26/2005. 		RM 
_________________________________________________________________________

46.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Platte County: Wetlands and Adjacent Areas: Glendo Reservoir, ca 4 air mi N of Glendo.  Elev. 4600 ft.
T30N R68W S20 NE1/4.  42.5594 N, 105.033 W; GPS Reading.  
Exposed mud flats. Phenology: flowering. 

Rachel Newton, 3769.  9/3/2005. 		RM 
_________________________________________________________________________

47.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Washakie County: Wetlands and Adjacent Areas: Brokenback Creek, ca 6 air mi NNW of Ten Sleep.  Elev. 4642 ft.
T48N R89W S26 NW1/4 of SW1/4.  44.10043 N, 107.49867 W; GPS Reading.  
Moist creek banks. Phenology: flowering. 

Rachel Newton, 6272.  7/25/2006. 		RM 
_________________________________________________________________________

48.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Green Ridge Trail (Forest Road 177) from Lost Lake on Laramie River Road (County Road 103), ca 36 air mi W of Fort Collins.  Elev. 9100-9400 ft.
T8N R75W S19 NE1/4.  40.6281 N, 105.8401 W; uncertainty 0.5 mi..  
Pond shores bordered by wet meadows. Phenology: flowering & fruiting. 

Sarah Nunn, 5272.  9/15/2001. 		RM 772210
_________________________________________________________________________

49.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Albany County: Pole Mountain Region.  Elev. 8500 ft.
T15N R72W S14.  41.2636 N, 105.4378 W; NAD 83, uncertainty 2 mi., Digital Map.  
Rooted in mud, and floating in shallow water of lake. Phenology: flowering. 

C. L. Porter, 3351.  8/25/1943. 		RM 194980	Barcode: RM0226066
_________________________________________________________________________

50.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Albany County: Pole Mountain Region: North Fork Pole Creek.  Elev. 8300 ft.
T15N R72W S11.  41.2859 N, 105.4317 W; NAD 83, uncertainty 2 mi., Digital Map.  
Dry abandoned beaver dam, rich soil. Phenology: flowering. 

C. L. Porter, 3471.  8/5/1944. 		RM 196599	Barcode: RM0226067
_________________________________________________________________________

51.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Albany County: Laramie Mountains: on the Laramie River just below the diversion tunnel to Bluegrass Creek.  Elev. 6000 ft.
T23N R72W S36.  41.9232 N, 105.4256 W; NAD 83, uncertainty 0.5 mi., Digital Map.  
Pond along river. Phenology: flowering. 

C. L. Porter, 6174.  8/16/1952. 		RM 229708	Barcode: RM0228954
_________________________________________________________________________

52.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Albany County: Valley of the Little Laramie River, 10 mi W of Laramie.  Elev. 7300 ft.
T16N R76W S20.  41.3401 N, 105.9526 W; NAD 83, uncertainty 3 mi., Digital Map.  
Roadside ditch. Phenology: flowering. 

C. L. Porter, 6183.  8/21/1952. 		RM 229686	Barcode: RM0226059
     with B. F. Miller
_________________________________________________________________________

53.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Sweetwater River at the Oregon Trail crossing between Lander and Split Rock.  Elev. 5500 ft.
T30N R95W S27.  42.5415 N, 108.1803 W; NAD 83, uncertainty 3 mi., Digital Map.  
*SE Fremont county* Phenology: flowering. 

C. L. Porter, 6200.  8/27/1952. 		RM 229715	Barcode: RM0226054
_________________________________________________________________________

54.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Near Du Noir, W of Dubois.  Elev. 8000 ft.
T42N R108W S28.  43.5675 N, 109.8162 W; NAD 83, uncertainty 2 mi., Digital Map.  
Edge of ponds. Phenology: flowering. 

C. L. Porter, 6215.  8/29/1952. 		RM 229709	Barcode: RM0059282
_________________________________________________________________________

55.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Big Horn County: Yellowtail Wildlife Management Area: Yellowtail Reservoir.  Elev. 3640 ft.
T56N R94W S17 SW1/4 of NE1/4.  44.8323 N, 108.1972 W; uncertainty 1 mi..  
Uncommon on wetland levee built in reservoir on sandy bank held together by roots, far from standing water under 2001 drought conditions.  No plants flowering.  Occurs with Scirpus acutus, Populus deltoides seedlings. Phenology: vegetative only. 

Bonnie Heidel, 2121.  8/8/2001. 		RM 706309	Barcode: RM0229133
_________________________________________________________________________

56.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Platte County: Camp Guernsey: east bank of North Platte River, ca 0.8 km N of U.S. Hwy 26, and ca 1.3 km S of Hartville Canyon.  To 520400  4681000.  Elev. 1320 m.
42.2693 N, 104.752 W; NAD 83, uncertainty .5 mi., Nat. Geog. TOPO!.  520450E, 4679700N.  
River bank with gentle to steep slopes of gravelly loamy sand with Clematis ligusticifolia, Equisetum laevigatum, Salix, Scirpus, and Rumex sp. Phenology: flowering & fruiting. 

C. A. Popolizio, 1041.  8/27/1996. 		RM 726794	Barcode: RM0228966
     with D. Hazlett
_________________________________________________________________________

57.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Platte County: Camp Guernsey: west shore of Guernsey Reservoir, ca 1 km NW of Stokes Siding.  Elev. 1350 m.
42.3199 N, 104.8349 W; NAD 83, uncertainty .25 mi., Nat. Geog. TOPO!.  513600E, 4685300N.  
Lacustrine on gentle slope of sand with Sagittaria cuneata, and Populus spp. Phenology: flowering. 

C. A. Popolizio, 1099.  8/29/1996. 		RM 727033	Barcode: RM0228967
     with D. Hazlett
_________________________________________________________________________

58.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Platte County: Camp Guernsey: west shore of Guernsey Reservoir, ca 1 km NW of Stokes Siding.  Elev. 1350 m.
42.3199 N, 104.8349 W; NAD 83, uncertainty .5 mi., Nat. Geog. TOPO!.  513600E, 4685300N.  
Locally common in lacustine on gentle slope of sand with Sagittaria cuneata, Populus, and Polygonum. Phenology: flowering & fruiting. 

C. A. Popolizio, 1101.  8/9/1996. 		RM 726793	Barcode: RM0228965
     with D. Hazlett
_________________________________________________________________________

59.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Platte County: Camp Guernsey: on western edge of Guernsey Reservoir, ca 1 km S of North Platte River entrance into reservoir.  To 513250  4685200.  Elev. 1320 m.
42.3298 N, 104.8368 W; NAD 83, uncertainty .75 mi., Nat. Geog. TOPO!.  513450E, 4686400N.  
Lacustrine on gentle to steep slopes of sand with Populus deltoides, Populus acuminata, Ambrosia tomentosa, and Carex spp. Phenology: vegetative only. 

C. A. Popolizio, 872.  6/17/1996. 		RM 727032	Barcode: RM0228252
     with N. E. Hastings, R. M. Smith, D. Hazlett
_________________________________________________________________________

60.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Park County: Northern Absarokas: Cathedral Cliffs-Swamp Lake Wetland, ca 2-3 mi E of Crandall Ranger Station.  Elev. 6600 ft.
T56N R106W S14 N1/2.  44.83333 N, 109.5931 W.  
Submerged in ponds at north end of wetlands. 

Erwin F. Evert, 7746.  9/1/1984. 		RM 610196	Barcode: RM0059283
_________________________________________________________________________

61.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Haines Reservoir and ditch on County Road 640, ca 5.5 air mi SW of Saratoga; ca 14 air mi NW of Encampment.  Elev. 7020 ft.
T17N R84W S31 E1/2.  41.4034 N, 106.889 W.  
Banks of ditch bordered by willow. Phenology: flowering & fruiting. 

Amy J. Roderick, 3151.  8/4/1997. 		RM 
_________________________________________________________________________

62.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Goshen County: Fort Laramie National Historic Site: bank of Laramie River.  Elev. 4200 ft.
T26N R64W S27 South1/2 NW1/4.  42 11.9' N, 104 31.9' W; unknown, , GPS reading.  
On river bank with Salix and Carex. Rare. Phenology: vegetative only. 

Robert D. Dorn, 10022.  9/20/2004. 		RM 764708	Barcode: RM0228949
_________________________________________________________________________

63.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Niobrara County: McMasters Reservoir.  Elev. 4800 ft.
T31N R61W S14 N1/2 NE1/4.  42.6689 N, 104.1385 W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!.  
Bank of reservoir with Mentha arvensis var. canadensis and Triglochin martimum var. elatum. Phenology: flowering. 

Robert D. Dorn, 6372.  8/1/1995. 		RM 600690	Barcode: RM0226058
_________________________________________________________________________

64.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Uinta County: 17 mi S of Mountain View.  Elev. 9200 ft.
T12N R115W S22 NW1/4.  41.0048 N, 110.3623 W.  
Shore of pond. 

Robert D. Dorn, 6641.  9/3/1995. 		RM 600371	Barcode: RM0226051
_________________________________________________________________________

65.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Converse County: Bank of Norh Platte River at Douglas.  Elev. 4800 ft.
T32N R71W S8.  42.7612 N, 105.3941 W.  
River bank with Typha and Scirpus. Phenology: flowering. 

Robert D. Dorn, 8157.  9/13/1999. 		RM 643070	Barcode: RM0229129
_________________________________________________________________________

66.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Platte County: Southeastern Plains: Indian Creek, ca 7.5 mi W of Glendo Reservoir and 1 mi S of Converse County.  Elev. 5000 ft.
T30N R70W S11 NE1/4 NE1/4.  42.5872 N, 105.217 W; uncertainty 0.25 mi..  
Dense Carex nebrascensis community along stream channel in sandy gravel flooplain. Phenology: flowering & fruiting. 

Steve Kettler, 339.  7/8/1991. 		RM 703556	Barcode: RM0229132
_________________________________________________________________________

67.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Fort Steele State Recreation Area, ca 6.6 air mi NW of Walcott Junction; ca 8.4 air mi E of Sinclair.  Elev. 6500 ft.
T21N R85W S23 E1/2.  41.7766 N, 106.9541 W.  
Wet marsh bordered by willows. Phenology: flowering. 

Amy J. Roderick, 3315.  8/6/1997. 		RM 
_________________________________________________________________________

68.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Natrona County: Sweetwater River Valley: north bank of Sweetwater River downstream of bridge on Buzzard Road (County Road 410) in far west arm (currently dry) of Pathfinder Reservoir, ca 2.75 air mi SE of Wyo Hwy 220.  Elev. 5860 ft.
T29N R85W S6 SE1/4 NW/14 of SE1/4.  42.511 N, 107.0599 W; uncertainty 0.25 mi..  
Flat terrace above river bank on sandy soil in community of Distichlis stricta, Glycyrrhiza lepidota, Artemisia biennis, Chenopodium glaucum, and Hordeum jubatum; vegetative cover 60-85%. Phenology: flowering & fruiting. 

Walter Fertig, 19244.  8/22/2000. 		RM 682262	Barcode: RM0229134
_________________________________________________________________________

69.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: North Platte River E of County Road 347, ca 4 air mi S of Fort Steele; ca 9.8 air mi SE of Sinclair.  Elev. 6500 ft.
T20N R85W S11 SE1/4.  41.7219 N, 106.9273 W.  
Wet open meadow. Phenology: flowering & fruiting. 

Amy J. Roderick, 3357.  8/7/1997. 		RM 
_________________________________________________________________________

70.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: North Platte River E of County Road 347, ca 4 air mi S of Fort Steele; ca 9.8 air mi SE of Sinclair.  Elev. 6500 ft.
T20N R85W S11 SE1/4.  41.7219 N, 106.9273 W.  
Wet open meadow. Phenology: vegetative only. 

Amy J. Roderick, 3365.  8/7/1997. 		RM 
_________________________________________________________________________

71.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: upper drainage of East Fork Jemez River S from main ranch road at south tip of Cerro del Medio to NM Hwy 4.  Elev. 7500-7600 ft.
35 51' 30" N, 106 26' 30" W; uncertainty 1 mi..  
Meadows and streamside. Phenology: flowering. 

Ronald L. Hartman, 73848.  8/15/2001. 		RM 711077	Barcode: RM0074348
_________________________________________________________________________

72.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Arizona, Apache County: Near Basin Lake.  Elev. 7700 ft.
T6N R28E S18.  
Phenology: flowering. 

Judd, s.n..  9/2/1966. 		RMRS 539
     with Tenney
_________________________________________________________________________

73.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: Fryingpan Trail, ca 1.5 mi W of N-S trail near Shafer Ranch or near 9200 ft contour then  Elev. 9150 ft.
T10N R82W S10; N 01-02 air mi to kettle lake, largest in a tight series of four, then pond immediately to NW, ca 18 air mi NW of Walden NE1/4.  40.8502 N, 106.5932 W.  
Pond drying up. Phenology: flowering. 

Ronald L. Hartman, 68779.  7/24/2000. 		RM 760169
     with Sarah Nunn
_________________________________________________________________________

74.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: Fryingpan Trail, ca 1 mi W of N-S trail near Shafer Ranch then N to "lake 8985", ca 18 air mi NW of Walden.  Elev. 8985 ft.
T10N R82W S3 SE1/4.  40.8647 N, 106.5932 W.  
On floating mat in large kettle lake and plants from adjacent lodgepole forest.  Drosera very abundant on floating mat on northeast side. Phenology: flowering & fruiting. 

Ronald L. Hartman, 68818.  7/24/2000. 		RM 760168
     with Sarah Nunn
_________________________________________________________________________

75.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: N-S trail just off Fryingpan Trail, 4-5 air mi S of Big Creek Lakes, ca 18 air mi NW of Walden.  Elev. 8700 ft.
T10N R82W S11 NE1/4.  40.8502 N, 106.5741 W.  
Lake with Nuphar in deeper water; lake edge and in water. Phenology: flowering & fruiting. 

Ronald L. Hartman, 68833.  7/27/2000. 		RM 760167
     with Sarah Nunn
_________________________________________________________________________

76.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: N-S trail just off Fryingpan Trail, 4-5 air mi S of Big Creek Lakes, ca 18 air mi NW of Walden.  Elev. 8700 ft.
T10N R82W S11 NE1/4.  40.8502 N, 106.5741 W.  
Water margin on and in lake. Phenology: flowering. 

Ronald L. Hartman, 68913.  7/27/2000. 		RM 760170
     with Sarah Nunn
_________________________________________________________________________

77.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Dugway Recreation site along North Platte River, ca 6 air mi NE of Sinclair; ca 9.4 air mi NE of Rawlins.  Elev. 6400 ft.
T22N R86W S24 SW1/4.  41.8639 N, 107.0511 W.  
Willow thickets, shallow ponds, and gravelly patches in wet, disturbed area. Phenology: flowering & fruiting. 

Amy J. Roderick, 3448.  8/10/1997. 		RM 
_________________________________________________________________________

78.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Jackson County: North-central Colorado: North Park: east side of Walden Reservoir, just W of Walden.  Elev. 8200 ft.
T9N R79W S19; also S20.  40.734 N, 106.3074 W.  
Roadside to shore. Phenology: flowering & fruiting. 

Ronald L. Hartman, 69536.  8/7/2000. 		RM 760166
_________________________________________________________________________

79.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Routt County: North-central Colorado: Park Range: Hinman Lake and vicinity to Hinman Creek, ca 1.5 air mi N of the Elk River, ca 6.5 air mi NE of Clark; ca 20 air mi N of Steamboat Springs.  Elev. 8195-8200 ft.
T9N R84W S5 NE1/4; also W1/2 S4.  40.7658 N, 106.8354 W; uncertainty 1 mi..  
Meadows and open areas around the lake. Phenology: flowering. 

B. E. Nelson, 54884.  7/30/2001. 		RM 764102
_________________________________________________________________________

80.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: East Fork Medicine Bow River, ca 4.6 air mi NE of Elk Mountain townsite.  Elev. 7000 ft.
T20N R79W S7 N1/2.  41.7203 N, 106.3188 W.  
Wet boggy area on periphery of cottonwood-lined river. Phenology: flowering. 

Amy J. Roderick, 3537.  8/12/1997. 		RM 
_________________________________________________________________________

81.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: near Two Ocean Lake, ca 6 air mi N of Moran; ca 21.5 air mi NE of Moose.  Elev. 7200 ft.
T46N R114W S26 NE1/4.  43.9213 N, 110.5017 W; GPS Reading.  
Small pond surrounded by Salix spp. Phenology: flowering. 

David Scott, 2314.  7/26/2006. 		RM 835992	Barcode: RM0015591
     with Amanda Richardson
_________________________________________________________________________

82.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: John D. Rockefeller Jr. Memorial Parkway: near Polecat Creek, ca 32.5 air mi N of Moose; ca 22.3 air mi NNW of Moran.  Elev. 6900 ft.
T48N R115W S18 SW1/4.  44.1198 N, 110.7093 W; GPS Reading.  
Spring and wetland. Phenology: flowering. 

David Scott, 2458.  7/28/2006. 		RM 835991	Barcode: RM0015590
     with Diane Abendroth
_________________________________________________________________________

83.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: near Cow Lake, ca 3 air mi WSW of Moran; ca 14 air mi NE of Moose.  Elev. 6845 ft.
T45N R114W S32 NE1/4.  43.8281 N, 110.565 W; GPS Reading.  
Aquatic community in shallow water. Phenology: flowering. 

David Scott, 2493.  7/30/2006. 		RM 835990	Barcode: RM0015589
     with Nancy Bockino
_________________________________________________________________________

84.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: near Halfmoon Lake, ca 4 air mi ESE of Moran; ca 19 air mi NE of Moose.  Elev. 6790 ft.
T45N R113W S33 NE1/4.  43.8284 N, 110.4241 W; GPS Reading.  
Aquatic plant community in slow-moving stream. Phenology: flowering. 

David Scott, 2535.  8/3/2006. 		RM 835989	Barcode: RM0015588
_________________________________________________________________________

85.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: near Two Ocean Lake, ca 4 air mi N of Moran; ca 19.5 air mi NNE of Moose.  Elev. 6935 ft.
T46N R114W S34 W1/2.  43.9117 N, 110.5388 W; GPS Reading.  
Aquatic community in stream outlet. Phenology: flowering. 

David Scott, 2880.  8/8/2006. 		RM 835988	Barcode: RM0015587
     with Andrew Bishop
_________________________________________________________________________

86.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: near Colter Bay employee housing area, ca 8 air mi NW of Moran; ca 18 air mi NNE of Jackson.  Elev. 6860 ft.
T46N R115W S35 NW1/4.  43.9122 N, 110.6327 W; GPS Reading.  
Drying cycle of seasonal pond. Phenology: flowering. 

David Scott, 5420.  8/12/2007. 		RM 907449	Barcode: RM0023014
_________________________________________________________________________

87.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Targhee National Forest: Ashton Ranger District: at Fish Lake, ca 14 air mi WNW of Flagg Ranch; ca 30.5 air mi NW of Moran.  Elev. 6460 ft.
T48N R117W S8 SW1/4.  44.1289 N, 110.9344 W; GPS Reading.  
Banks of montane lake. Phenology: flowering. 

David Scott, 5482.  8/13/2007. 		RM 907448	Barcode: RM0023013
     with Ronald L. Hartman
_________________________________________________________________________

88.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Targhee National Forest: Ashton Ranger District: Loon Lake.  Elev. 6500 ft.
T48N R117W S19 NW1/4.  44.113 N, 110.95 W; GPS Reading.  
Thick sphagnum shore line; Drosera common on north side. Phenology: flowering. 

Ronald L. Hartman, 86422.  8/9/2007. 		RM 907447	Barcode: RM0023012
_________________________________________________________________________

89.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Targhee National Forest: Ashton Ranger District: Indian Lake, at outlet.  Elev. 6400 ft.
T47N R118W S5 SE1/4; also SW1/4 S4.  44.063 N, 111.036 W; GPS Reading.  
Lake shore. Phenology: flowering. 

Ronald L. Hartman, 86460.  8/9/2007. 		RM 907446	Barcode: RM0023011
_________________________________________________________________________

90.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: lakes (drying) at the head of Dime Creek, four ponds from W to E, pond second from the E.  Elev. 7549 ft.
T47N R115W S9.  44.054 N, 110.677 W; GPS Reading.  
Around drying pond. Phenology: flowering & fruiting. 

Ronald L. Hartman, 86694.  8/15/2007. 		RM 907445	Barcode: RM0023010
_________________________________________________________________________

91.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Natrona County: Upper North Platte and Laramie River Drainages: Pathfinder Reservoir: National Wildlife Refuge N of County Road 410, ca 22 air mi NE of Three Forks Junction.  Elev. 5857 ft.
T29N R85W S6 SE1/4.  42.5112 N, 107.0619 W.  
Sandy grassland at rivers edge. Phenology: flowering. 

Amy J. Roderick, 3621.  8/14/1997. 		RM 
_________________________________________________________________________

92.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., South Dakota: Nahant.
Common in small pool. Phenology: flowering. 

A. C. McIntosh, 1130.  8/20/1928. 		RM 113166	Barcode: RM0231441
_________________________________________________________________________

93.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., South Dakota, Pennington County: Spring Creek.  Elev. 4340 ft.
T1S R6E S4 NE1/4.  43.9899 N, 103.4062 W; uncertainty 0.5 mi..  
Low marshy area bordering creek. Common. Phenology: flowering. 

Gary E. Larson, 10706.  8/22/1991. 		RM 568064	Barcode: RM0231438
     with James R. Johnson
_________________________________________________________________________

94.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., South Dakota, Custer County: 2 mi S of Wind Cave.  Elev. 4200 ft.
T6S R5E S14.  
Permament water hole; Scirpus and hydrophytic association. Phenology: flowering. 

Herman E.  Hayward, 2523.  7/29/1927. 		RM 110969	Barcode: RM0231442
_________________________________________________________________________

95.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., South Dakota, Custer County: Black Hills: Black Hills National Forest: Iron Creek: ca 1 air mi NNE of Camp Remington, just N of Custer State Park.  Elev. 4950 ft.
T2S R6E S31 NW1/4.  43.8361 N, 103.4548 W; uncertainty 0.5 mi..  
Drainage bottom, in old stream channel near creek, with Spartina pectinata. Phenology: vegetative only. 

Hollis Marriott, 11676.  7/29/1998. 		RM 710031	Barcode: RM0231440
     with Beth Burkhart
_________________________________________________________________________

96.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., South Dakota, Fall River County: 
Phenology: vegetative only. 

S. S. Visher, 2716.  8/4/1911. 		RM 76182	Barcode: RM0231439
_________________________________________________________________________

97.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., South Dakota, Jones County: Stock pond.  Elev. 2210 ft.
T2S R28E S13 NE1/4.  43.8741 N, 100.713 W; uncertainty 0.5 mi..  
Shoreline. Frequent. Phenology: flowering. 

Stephen Van Sickle, 304.  8/14/1982. 		RM 346232
_________________________________________________________________________

98.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Jefferson County: One mi south of Fort Morgan.  Elev. 6000 ft.
In standing water. Phenology: flowering & fruiting. 

Alan A. Beetle, 2080.  7/9/1937. 		USFS 451049
_________________________________________________________________________

99.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Albany County: Laramie Range: along Horseshoe Creek, ca 20 air mi SE of Douglas.  Elev. 6950-7600 ft.
T28N R71W S21.  42.3844 N, 105.3716 W.  
Creekside. Phenology: flowering. 

B. A. Packer, 2140.  7/24/1997. 		 
     with J. Brondum and T. McGowan
_________________________________________________________________________

100.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Montrose County: Manti-LaSal National Forest: Buckeye Reservoir.  Elev. 2350 m.
T48N R20W S2.  
Aquatic. Phenology: flowering. 

M. A. (Ben) Franklin, 1224.  8/6/1984. 		RM 359399
_________________________________________________________________________

101.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Montrose County: Manti-LaSal National Forest: Buckeye Reservoir.  Elev. 2350 m.
T48N R20W S2.  
Aquatic. Phenology: flowering. 

M. A. (Ben) Franklin, 1224.  8/6/1984. 		RM 359556
_________________________________________________________________________

102.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Montrose County: East slope of La Sal Mountains: Buckeye Resevoir.  Elev. 8640 ft.
T48N R20W S2 NE1/4.  
Phenology: flowering. 

M. A. (Ben) Franklin, 2161.  7/30/1985. 		RM 368447
_________________________________________________________________________

103.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Las Animas County: Largest of Duling Lakes, ca 0.5 mi E of Duling Park, Culebra Range.  Elev. 9700 ft.
T33S R69W S15 SW1/4.  
At margin of shallow lake. Phenology: flowering. 

Betsy E. Neely, 4703.  8/17/1987. 		RM 532443
_________________________________________________________________________

104.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Mineral County: Wagon Wheel Gap.  Elev. 10000 ft.
37.7711 N, 106.8135 W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!.  
In small lake. Phenology: flowering. 

C. Leo Hitchcock, 4127.  7/19/1938. 		RM 175838
     with Roland V. Rethke & R. van Raadshooven
_________________________________________________________________________

105.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Jackson County: Walden, CO.  Elev. 8000 ft.
Roadside ditch. Phenology: flowering. 

C. L. Porter, 5278.  8/22/1949. 		RM 215110
_________________________________________________________________________

106.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Eagle County: McCoy.  Elev. 6500 ft.
Wet place. Phenology: flowering. 

C. L. Shear, 5311.  7/20/1898. 		RM 149674
_________________________________________________________________________

107.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Gunnison County: Region of the Gunnison Watershed:  Gunnison.  Elev. 7680 ft.
Phenology: flowering. 

Carl F. Baker, 906.  8/22/1901. 		RM 33068
_________________________________________________________________________

108.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., New Mexico, Cibola County: Mount Taylor: Lee's Horse Camp.  Elev. 8900 ft.
Phenology: flowering. 

Earl F. Castetter, 1800.  7/9/1932. 		RM 133101
_________________________________________________________________________

109.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Weld County: Lupton.
Phenology: flowering & fruiting. 

Earl L. Johnston, 833A.  7/15/1915. 		RM 81577
_________________________________________________________________________

110.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Montrose County: Tabeguache Basin.  Elev. 8000 ft.
Aquatic in ponds. Phenology: flowering. 

Edwin B. Payson, 173.  8/17/1913. 		RM 80964
_________________________________________________________________________

111.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Montrose County: Bedrock, CO.
Swampy river bottom. Phenology: flowering. 

Ernest P. Walker, 371.  8/2/1912. 		RM 75537
_________________________________________________________________________

112.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Huerfano County: Veta Mountain.  Elev. 9000 ft.
Lake. Phenology: flowering. 

F. K. Vreeland, 641.  7/5/1900. 		RM 163555
_________________________________________________________________________

113.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Alamosa County: Alamosa.
Phenology: flowering. 

Francis Ramaley, 14041.  8/13/1932. 		RM 132845
_________________________________________________________________________

114.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Boulder County: Pine Glade School.  Elev. 8000 ft.
Phenology: flowering. 

Francis Ramaley, 3771.  8/22/1907. 		RM 61424
_________________________________________________________________________

115.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Boulder County: Stapp's Lake.
Phenology: flowering. 

Francis Ramaley, 5985.  8/18/1908. 		RM 64440
     with W. W. Robbins
_________________________________________________________________________

116.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Logan County: Sterling.
Phenology: vegetative only. 

George E. Osterhout, 1174.  6/10/1896. 		RM 163549
_________________________________________________________________________

117.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Weld County: New  Windsor.
In swamp. Phenology: flowering & fruiting. 

George E. Osterhout, 1580.  7/30/1897. 		RM 163546
_________________________________________________________________________

118.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Larimer County: Moraine Park.
Phenology: flowering. 

George E. Osterhout, 3075.  8/17/1905. 		RM 163553
_________________________________________________________________________

119.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Larimer County: Moraine Park.
Phenology: flowering. 

George E. Osterhout, 3075.  8/17/1905. 		RM 51445
_________________________________________________________________________

120.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Weld County: New  Windsor.
Near river. Phenology: flowering & fruiting. 

George E. Osterhout, 3171.  8/2/1905. 		RM 163543
_________________________________________________________________________

121.  Persicaria amphibia (L.) Gray 				Polygonaceae

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

George E. Osterhout, 3171.  8/2/1905. 		RM 51423
_________________________________________________________________________

122.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Grand County: Sulphur Springs.
Phenology: flowering. 

George E. Osterhout, 3560.  8/7/1907. 		RM 163550
_________________________________________________________________________

123.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Grand County: Sulphur Springs.
Phenology: flowering. 

George E. Osterhout, 3560.  8/7/1907. 		RM 60640
_________________________________________________________________________

124.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Larimer County: Chamber's Lake.
Phenology: flowering. 

George E. Osterhout, 3833.  8/22/1908. 		RM 163551
_________________________________________________________________________

125.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Jackson County: North Park.
Phenology: flowering. 

George E. Osterhout, 3873.  8/15/1893. 		RM 163556
_________________________________________________________________________

126.  Persicaria amphibia (L.) Gray 				Polygonaceae

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

George E. Osterhout, 461.  7/31/1894. 		RM 163540
_________________________________________________________________________

127.  Persicaria amphibia (L.) Gray 				Polygonaceae

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

George E. Osterhout, 4667.  8/3/1911. 		RM 163545
_________________________________________________________________________

128.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Larimer County: West of Windsor and south of Timmath.
Phenology: flowering & fruiting. 

George E. Osterhout, 7988.  9/1/1933. 		RM 163547
_________________________________________________________________________

129.  Persicaria amphibia (L.) Gray 				Polygonaceae

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

George E. Osterhout, 8203.  8/30/1905. 		RM 163544
_________________________________________________________________________

130.  Persicaria amphibia (L.) Gray 				Polygonaceae

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

George E. Osterhout, 8209.  8/14/1915. 		RM 163548
_________________________________________________________________________

131.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Lincoln County: Burlington to Limon.
Phenology: flowering & fruiting. 

George E. Osterhout, 8255.  7/15/1935. 		RM 163513
_________________________________________________________________________

132.  Persicaria amphibia (L.) Gray 				Polygonaceae

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

George E. Osterhout, No number.  9/9/1912. 		RM 312028
_________________________________________________________________________

133.  Persicaria amphibia (L.) Gray 				Polygonaceae

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

George E. Osterhout, No number.  8/30/1905. 		RM 312552
_________________________________________________________________________

134.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Rio Blanco County: White River National Forest:  Seven Lakes Resort.  Elev. 7800 ft.
On level slope in deep loam soil at edge of aspen. Phenology: flowering. 

George S. Stadler, GS-2.  8/15/1936. 		USFS 451253
_________________________________________________________________________

135.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Rio Blanco County: White River National Forest: north Hunt Creek.  Elev. 8500 ft.
T2N R86W S4.  
On 4% north-facing slope in deep clay loam soil of park-like setting with larkspur and sneezeweed.  Distributed in swampy areas. Phenology: flowering. 

J. J. Nealis, N-2.  8//1929. 		USFS 450738
_________________________________________________________________________

136.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Arapahoe County: Aurora.
Swamp. Phenology: flowering & fruiting. 

Leon Kelso, 298.  6//1928. 		RM 133738
_________________________________________________________________________

137.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, El Paso County: Pike National Forest:  Manitou Park.  Elev. 7600 ft.
Swampy meadow. Phenology: fruiting. 

Leon Nadeau, LN-83.  8/7/1936. 		USFS 451046
_________________________________________________________________________

138.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, No county County: Montezuma National Forest.  Elev. 8200 ft.
Edge of lake. Phenology: flowering. 

Martin P. Wilson, 311.  8/12/1913. 		USFS 451143
_________________________________________________________________________

139.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, No county County: Montezuma National Forest
Phenology: flowering. 

No collector, 283.  //. 		USFS 451144
_________________________________________________________________________

140.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Conejos County: Empedrado Lake: 1 mi NNE of Lost Lake; 1.8 mi SE of Acascosa Lake.  Elev. 3250 m.
T35N R5E S21.  
On moist soil at edge of lake. Phenology: flowering. 

Patricia P. Douglas, 1791.  8/15/1987. 		RM 526652
_________________________________________________________________________

141.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Conejos County: 5.2 mi WNW of Fox Creek and 3.2 mi ENE of Spruce Hole.  Elev. 2750 m.
T33N R6E S22.  
On steep WSW facing ridge with Pseudotsuga, Artemisia and Brickellia. Phenology: flowering. 

Patricia P. Douglas, 1852.  8/21/1987. 		RM 526644
_________________________________________________________________________

142.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Conejos County: De Herrera Lake.  Elev. 3100 m.
T33N R5E S9.  
At edge of water with Salix, Carex and Eleocharis. Phenology: flowering. 

Patricia P. Douglas, 2122.  8/18/1988. 		RM 532527
_________________________________________________________________________

143.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Adams County: Barr Lake, 20 mi N of Denver.  Elev. 5000 ft.
Lake. Phenology: flowering. 

Ralph H. Imler, 4014.  7/8/1937. 		RM 604822
_________________________________________________________________________

144.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Saguache County: San Isabel National Forest: San Luis Creek.  Elev. 7600 ft.
T43N R10E S4.  
On level ground in clay loam soil.  Aquatic. Phenology: flowering. 

Ralph K. Gierisch, 1373.  6/21/1942. 		USFS 450739
_________________________________________________________________________

145.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Conejos County: Small pond ca 0.6 mi WSW of head of Hot Creek.  Elev. 10100 ft.
T36N R6E S32 SW1/4 of SW1/4.  
Small pond. Phenology: flowering. 

Steve O'Kane, 2606.  8/19/1986. 		RM 395330
_________________________________________________________________________

146.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, No county County: White River National Forest
Phenology: flowering & fruiting. 

no collector, 18361.  //. 		USFS 451333
_________________________________________________________________________

147.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Montrose County: Uncompahgre National Forest: Potter Basin N. M. P. M.  Elev. 7500 ft.
T49N R13W S13.  
On level ground in wet soil near water holes and springs growing with grasses, Carex, Juncus and Veratrum. Phenology: flowering. 

Walter E. Pool, P-32.  8/8/1940. 		USFS 451249
_________________________________________________________________________

148.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Idaho, Teton County: Targhee National Forest: West Slope Teton Range: McRenolds Reservoir, ca 8 air mi E of Lamont.  Elev. 7000 ft.
T7N R46E S5; also S6.  
Openings adjacent to reservoir. 

Ronald L. Hartman, 30839.  7/28/1991. 		 
     with Rafael Molina
_________________________________________________________________________

149.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Idaho, Fremont County: Targhee National Forest: Island Park Plateau: Warm River, just W of Eccles Road, ca 19 air mi NE of Ashton.  Elev. 6200 ft.
T12N R44E S31.  
Plants aquatic. 

Stuart Markow, 10652.  8/12/1992. 		 
_________________________________________________________________________

150.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Idaho, Fremont County: Targhee National Forest: Island Park Plateau: south shoreline of Island Park Reservoir, ca 0.5 air mi W of Island Park Dam.  Elev. 6300 ft.
T13N R43E S29.  
Mostly Salix, Eleocharis, and Carex. 

Stuart Markow, 9338.  7/13/1992. 		 
_________________________________________________________________________

151.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., New Mexico, Hildago County: Coronado National Forest: Peloncillo District, Cloverdale Ranger Station.  Elev. 5400 ft.
Deep clay loam. Phenology: vegetative only. 

A. W. Pigott, 24.  10/10/1921. 		USFS 451251
_________________________________________________________________________

152.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Arizona, Coconino County: Foxboro.
Phenology: vegetative only. 

Chester F. Deaver, 2597.  6/22/1949. 		RM 275987
_________________________________________________________________________

153.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Arizona, no county County: Black River.
Edge of water. Phenology: buds. 

Leslie N. Goodding, 1099.  6/17/1912. 		RM 79215
_________________________________________________________________________

154.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Arizona, Apache County: Chuska Mountains: W of Roof Butte, small lake near Wide Lake.  Elev. 9700 ft.
T35N R30E S10.  
In small lake. Phenology: flowering. 

R. J. Barr, 2007.  8/5/1961. 		RM 275932
     with W. R. Brewer and C. T. Mason, Jr.
_________________________________________________________________________

155.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Arizona, Yavapai County: Coconino National Forest: Rattlesnake Tanks.  Elev. 5700 ft.
Grazing Reconnaissance Phenology: buds. 

Robert R. Hill, 242.  9/11/1911. 		USFS 451250
_________________________________________________________________________

156.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Routt County: Flat Tops/White River Plateau: Gardner Park Reservoir, ca 10 air mi SSW of Yampa.  Elev. 9600 ft.
T1N R86W S15.  40.0538 N, 107.031 W.  
Lake margins. 

James P. Vanderhorst, F.  8/22/1991. 		 686962
     with Carlos Palaci
_________________________________________________________________________

157.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Albany County: Laramie Range: along North Laramie River.  Elev. 6500-6900 ft.
T26 R71W S27 W1/2.  42.1967 N, 105.3447 W.  
In river. Phenology: flowering & fruiting. 

B. A. Packer, 5552.  8/29/1998. 		RM 
     with T. McGowan & J. Brondum
_________________________________________________________________________

158.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., New Mexico, Sandoval County: Jemez Mountains: Bandelier National Monument: mouth of Canyon de los Frijoles at White Rock Canyon along the Rio Grande and at Frijoles Spring.
Disturbed flats along the river, river edge, and seep. Phenology: vegetative only. 

Brian F. Jacobs, 5023.  //2002. 		RM 
_________________________________________________________________________

159.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., New Mexico, Rio Arriba County: Jemez Mountains: Santa Fe National Forest: Coyote Ranger District: Baca Bog and vicinity, N of northwest corner of Valles Caldera National Preserve and Forest Road 144.
Wetland and riparian habitats. Phenology: flowering. 

Brian F. Jacobs, 6006.  6/29/1997. 		RM 814164
_________________________________________________________________________

160.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: North Platte River in North Gate Canyon, ca 21.7 air mi ESE of Encampment.  Elev. 7700 ft.
T13N R80W S20.  
On river edge. Few plants; flowers pink. Phenology: flowering. 

Roger L. Williams, 919.  8/3/1990. 		RM 959693	Barcode: RM0214773
_________________________________________________________________________

161.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: South Fork Mill Creek Drainage: Old Dominion Mountain Meadow, ca 4 air mi NE of Colville; off Hanson Springs Road on Forest Road 020.  Elev. 3250 ft.
T36N R41E S31 W1/2 of NW1/4.  48.5761 N, 117.6815 W.  
Carex marsh. Phenology: flowering. 

Jean Wood, 2671.  7/26/1995. 		 
_________________________________________________________________________

162.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: North Fork Mill Creek Drainage: Rabbit Creek Pond along Forest Road 125, ca 16 air mi NE of Colville.  Elev. 3100 ft.
T37N R40E S24 NE1/4; also T37N R41E S19, NW1/4.  48.6919 N, 117.6988 W.  
Old beaver pond with open waters; Carex marsh and forest edge with mixed forest; cedar/Clintonia; heavily grazed by cows. Phenology: flowering. 

Jean Wood, 2712.  7/26/1995. 		 
_________________________________________________________________________

163.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Washington, Pend Oreille County: Western Colville National Forest and Vicinity: Little Pend Oreille Lakes, ca 20 air mi NE of Colville along south shore of Lake Leo, along Wash Hwy 20.  Elev. 3165 ft.
T37N R42E S3 SW1/4.  48.7358 N, 117.4853 W.  
Lakeshore and forest edge; mixed subalpine fir/spruce/lodgepole pine. Phenology: flowering. 

Jean Wood, 3434.  8/14/1995. 		 
_________________________________________________________________________

164.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Little Twin Lakes, ca 11 air mi E of Colville.  Elev. 3700 ft.
T35N R41E S4 NW1/4; also T36N R41E SW1/4 S33.  48.5617 N, 117.6383 W.  
Lake shore. Phenology: flowering. 

Jean Wood, 6678.  8/1/1996. 		 
_________________________________________________________________________

165.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Washington, Ferry County: Western Colville National Forest and Vicinity: Curlew Lake, ca 4 air mi NNE of Republic.  Elev. 2400 ft.
T37N R33E S17 NW1/4; also T38N R33E NW1/4 S28, E1/2 S29; also NE1/4 S32.  48.7072 N, 118.6684 W.  
Lake and shoreline. Phenology: flowering. 

Jean Wood, 7385.  8/10/1996. 		 
     with Madilane Perry
_________________________________________________________________________

166.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Wyoming/Salt River Ranges: Wyoming Range: Willow Creek Drainage: ca 0.5 air mi ENE of Anns Peak, ca 5 air mi SE of Hoback Junction, ca 16 air mi SE of Jackson.  Elev. 6700 ft.
T38N R115W S8.  43.2714 N, 110.6628 W; uncertainty 1 mi..  
Muddy shore of large pond. 

B. E. Nelson, 19831.  8/18/1990. 		RM 1018675	Barcode: RM0303069
_________________________________________________________________________

167.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Wyoming/Salt River Ranges: Wyoming Range: Willow Creek Drainage: ca 0.5 air mi ENE of Anns Peak, ca 5 air mi SE of Hoback Junction, ca 16 air mi SE of Jackson.  Elev. 6700 ft.
T38N R115W S8.  43.2714 N, 110.6628 W; uncertainty 1 mi..  
Muddy shore of large pond. 

B. E. Nelson, 19832.  8/18/1990. 		RM 1018674	Barcode: RM0303068
_________________________________________________________________________

168.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Wyoming Range: along North Fork Middle Beaver Creek on South Rim, ca 10.5 air mi S of Bondurant, ca 30 air mi NW of Pinedale.  Elev. 8100 ft.
T36N R114W S36.  43.0469 N, 110.4025 W; uncertainty 1 mi..  
Dried out beaver ponds. Phenology: flowering. 

B. E. Nelson, 24308.  8/14/1992. 		RM 1014538	Barcode: RM0296975
     with Russ Nelson
_________________________________________________________________________

169.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Star Valley: Wyoming Game and Fish Access Area on Salt River, ca 6 air mi N of Auburn.  Elev. 6000 ft.
T34N R119W S35 SE1/4.  42.8883 N, 111.0019 W.  
Riverside and marshy meadows. Phenology: fruiting. 

Ronald L. Hartman, 36566.  8/21/1992. 		RM 1014537	Barcode: RM0296974
_________________________________________________________________________

170.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 41 air mi SSW of Gillette, ca 5 air mi E of Middle Pumpkins Buttes on Wyo Hwy 50, South Branch Four Mile Creek.  Elev. 5200 ft.
T44N R74W S31 SE1/4.  43.7422 N, 105.7922 W; uncertainty 1 mi..  
In clay in a reservoir with Chenopodium glaucum and Juncus bufonius. Abundant. Phenology: flowering. 

B. E. Nelson, 1967.  9/17/1978. 		RM 327881	Barcode: RM0229108
_________________________________________________________________________

171.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 14 air mi S of Gillette, 1 mi E of Wyo Hwy 59 along Caballo Creek.  Elev. 4550 ft.
T48N R71W S31 SW1/4.  44.0933 N, 105.43472 W; uncertainty 1 mi..  
Common in clay below water line of reservoir with Chenopodium glaucum, Potentilla paradoxa, and Rumex maritimus. Phenology: flowering. 

B. E. Nelson, 2231.  9/21/1978. 		RM 327883	Barcode: RM0229113
_________________________________________________________________________

172.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 13 air mi NNE of Reno Junction, ca 24 air mi SSE of Gillette along Belle Fourche River.  Elev. 4550 ft.
T46N R71W S16 SE1/4.  43.9633 N, 105.39389 W; uncertainty 1 mi..  
Common in clay at edge of river. Phenology: flowering. 

B. E. Nelson, 2244.  9/21/1978. 		RM 327884	Barcode: RM0229116
_________________________________________________________________________

173.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Goshen Hole: Springer Reservoir (Goshen Hole Reservoir) ca 1.5 air mi S of Yoder, ca 13.5 air mi SSW of Torrington.  Elev. 4300 ft.
T22N R62W S10 SE1/4.  41.8894 N, 104.2924 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
On dry ground left by receding reservoir with Chenopodium. Abundant. Phenology: flowering. 

B. E. Nelson, 2490.  9/28/1978. 		RM 317437	Barcode: RM0229131
_________________________________________________________________________

174.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Sheridan County: Powder River Basin: ca 6 air mi N of Dayton, ca 6.5 air mi NW of Ranchester along Cooper Draw.  Elev. 4100 ft.
T58N R86W S31 SE1/4.  44.9592 N, 107.2869 W; uncertainty 1 mi..  
In intermittent pools in the draw and in the reservoir. Phenology: flowering. 

B. E. Nelson, 3905.  7/16/1979. 		RM 332316	Barcode: RM0229111
_________________________________________________________________________

175.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Big Horn Canyon National Recreation Area: on the Pryor Mountain Wild Horse Range, ca 10.5 air mi NE of Lovell, near Horseshoe Bend.  Elev. 3800 ft.
T58N R95W S35.  44.9647 N, 108.2814 W; uncertainty 1 mi..  
Marshy area and subirrigated area. 

B. E. Nelson, 7024.  8/11/1980. 		RM 931279	Barcode: RM0094004
_________________________________________________________________________

176.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains, Cook Lake; ca 7.2 air mi SSE of Alva.  Elev. 4750 ft.
T53N R63W S10 S1/2.  44.5958 N, 104.40722 W; uncertainty 1 mi..  
In water. 

Hollis Marriott, 4628.  7/16/1983. 		RM 
     with Dennis Horning
_________________________________________________________________________

177.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Sweetwater River, south of bridge across river on Agate Flats Road, ca 9.5 air mi ENE of Jeffrey City.  Elev. 6180-6200 ft.
T29N R90W S5; also S6.  42.5112 N, 107.6321 W; uncertainty 2 mi..  
Moist meadow beside river, moist river bank, and sand bars in river. Phenology: flowering. 

June Haines, 7105.  8/30/1986. 		RM 389177	Barcode: RM0229143
     with Georgia Haines
_________________________________________________________________________

178.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Campbell County: Powder River Basin: Caballo Creek; ca 7 air mi W of Hwy 59.  Elev. 4700 ft.
T47N R73W S2.  44.0786 N, 105.5969 W; uncertainty 1 mi..  
Flats along creek, old streambed, and standing water; in stream - 5" deep. Phenology: flowering. 

Keith H. Dueholm, 2819.  6/25/1978. 		RM 327885	Barcode: RM0229117
_________________________________________________________________________

179.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 11 air mi NW of Weston.  Elev. 3900 ft.
T55N R72W S29; also S30.  44.7206 N, 105.54278 W; uncertainty 2 mi..  
Plains, marsh along holding pond, flats, gravel roadside; edge of marsh - 6" deep. Phenology: flowering. 

Keith H. Dueholm, 3601.  7/8/1978. 		RM 327886	Barcode: RM0229115
     with Mary Alice Sanguinetti
_________________________________________________________________________

180.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Campbell County: Powder River Basin: Kingsbury Road, ca 7 air mi W of Gillette.  Elev. 4500 ft.
T50N R73W S29.  44.2814 N, 105.6617 W; uncertainty 1 mi..  
Rocky hills, plains, holding pond, wet mud along creek beds, flats, moist grassy ditches; along pond. 

Keith H. Dueholm, 5760.  8/8/1978. 		RM 
_________________________________________________________________________

181.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Carbon County: Medicine Bow River: ca 1.5 air mi NNE of Medicine Bow.  Elev. 6800 ft.
T22N R78W S5.  41.9075 N, 106.2078 W; uncertainty 1 mi..  
River banks. Phenology: flowering. 

Ronald L. Hartman, 10384.  7/31/1979. 		RM 338463	Barcode: RM0229110
     with B. E. Nelson
_________________________________________________________________________

182.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Boulder Creek Canyon, due E of Boulder Lake, ca 14 air mi E of Pinedale.  Elev. 7400-7600 ft.
T33N R107W S1; also S2 and S3.  42.8583 N, 109.5733 W; uncertainty 3 mi..  
Aquatic plants in large beaver pond on tributary stream. 

Walter Fertig, 9601.  7/17/1991. 		RM 
_________________________________________________________________________

183.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: McMaster Reservoir on the Niobrara River just N of U.S. Hwy 20, ca 2.5 air mi W of Van Tassell; ca 17.3 air mi SE of Lusk.  Elev. 4750-4770 ft.
T31N R61W S13 NW1/4.  42.6691 N, 104.1363 W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!.  
Moist to wet meadow at upper end of reservoir. Phenology: flowering. 

B. E. Nelson, 28156.  8/3/1993. 		RM 606910	Barcode: RM0228958
_________________________________________________________________________

184.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: McMaster Reservoir on the Niobrara River just N of U.S. Hwy 20, ca 2.5 air mi W of Van Tassell; ca 17.3 air mi SE of Lusk.  Elev. 4750-4770 ft.
T31N R61W S13 NW1/4.  42.6691 N, 104.1363 W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!.  
In the reservoir and on the muddy shores. Phenology: flowering & fruiting. 

B. E. Nelson, 28175.  8/3/1993. 		RM 606911	Barcode: RM0228957
_________________________________________________________________________

185.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Indian Creek or County Road 60 ca 1.3 air mi W of Nebraska and ca 4 air mi N of Hat Creek Breaks, ca 22.3 air mi NE of Lusk; ca 18.5 air mi N of Van Tassell.  Elev. 4120-4140 ft.
T34N R60W S16 NW1/4.  42.9302 N, 104.0799 W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!.  
In shallow water and muddy shores of reservoir. Phenology: flowering & fruiting. 

B. E. Nelson, 29456.  8/29/1993. 		RM 606859	Barcode: RM0228956
_________________________________________________________________________

186.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Chugwater Creek, ca 4 air mi SW of Chugwater, ca 22.5 air mi S of Wheatland.  Elev. 5400-5420 ft.
T20N R67W S4 SE1/4.  41.7349 N, 104.8913 W.  
Rocky sand bar. Phenology: flowering. 

B. E. Nelson, 33355.  8/3/1994. 		RM 705551	Barcode: RM0228968
     with Tim Chumley and Robbin Romberg
_________________________________________________________________________

187.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Chugwater Creek, ca 0.5 air mi N of Bordeaux, ca 9.5 air mi SE of Wheatland.  Elev. 4840 ft.
T23N R67W S25 NW1/4.  41.9373 N, 104.8377 W.  
Steep creek bank and sand bars. Phenology: flowering. 

B. E. Nelson, 33827.  8/11/1994. 		RM 705550	Barcode: RM0228969
     with Tim Chumley and Robbin Romberg
_________________________________________________________________________

188.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: Goshen Hole (Springer) Reservoir, ca 2.5 air mi SSE of Yoder; ca 13 air mi SSW of Torrington.  Elev. 4270 ft.
T22N R62W S14 NW1/4.  41.8798 N, 104.2838 W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!.  
Vernal area with large patches of Polygonum. Phenology: flowering & fruiting. 

B. E. Nelson, 34555.  8/28/1994. 		RM 705549	Barcode: RM0228970
_________________________________________________________________________

189.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Niobrara County: McMaster's Reservoir.  Elev. 4800 ft.
T31N R61W S14 N1/2 of NE1/4.  42.6603 N, 104.154 W.  
Bank of reservoir with Mentha arvensis var. canadensis and Triglochin martimum var. elatum. 

Robert D. Dorn, 6372.  8/1/1995. 		RM 
_________________________________________________________________________

190.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Uinta County: 17 mi S of Mountain View.  Elev. 9200 ft.
T12N R115W S22 NW1/4.  41.0048 N, 110.3623 W.  
Shore of pond. 

Robert D. Dorn, 6641.  9/3/1995. 		RM 
_________________________________________________________________________

191.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Converse County: Bank of Norh Platte River at Douglas.  Elev. 4800 ft.
T32N R71W S8.  42.7618 N, 105.3932 W.  
River bank with Typha and Scirpus. 

Robert D. Dorn, 8157.  9/13/1999. 		RM 
_________________________________________________________________________

192.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Sublette County: Green River Basin: New Fork River, ca 10 air mi SW of Boulder, from old wooden bridge NE to section line.  Elev. 6850-6900 ft.
T31N R110W S28 W1/4; also E1/4 S29.  42.6328 N, 109.9564 W; uncertainty 1 mi..  
Streamside and slope. Phenology: flowering & fruiting. 

Ronald L. Hartman, 48824.  7/30/1994. 		RM 629694	Barcode: RM0226064
     with Thomas Cramer
_________________________________________________________________________

193.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Middle Crow Creek from Wyo Hwy 210 or Happy Jack Road E to just past confluence with South Crow Creek, ca 13.1 air mi W of Cheyenne.  Elev. 6480 ft.
T14N R69W S23 NE1/4.  41.1703 N, 105.0821 W; uncertainty 0.25 mi..  
On flats above and along creek, with occasional beaver dams. Phenology: flowering & fruiting. 

Timothy W. Chumley, 199.  8/18/1994. 		RM 
_________________________________________________________________________

194.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Crow Creek E of County Road 217 ca 1/2 mi, ca 16.2 air mi ESE of Cheyenne.  Elev. 5630 ft.
T13N R64W S11 S1/2.  41.1063 N, 104.5085 W; uncertainty 0.25 mi..  
Along creek. Phenology: flowering & fruiting. 

Timothy W. Chumley, 242.  8/19/1994. 		RM 
_________________________________________________________________________

195.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horse Creek ca 1 air mi W of I-80 off Nimmo, True or County Road 120, ca 22 air mi N of Cheyenne.  Elev. 5800-6040 ft.
T17N R67W S8; also S7, NW1/4 NW1/4 S18.  41.4558 N, 104.9256 W; uncertainty 1 mi..  
Along creek with heavy willow thickets. Phenology: flowering & fruiting. 

Timothy W. Chumley, 360.  8/25/1994. 		RM 
_________________________________________________________________________

196.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Sublette County: Green River Basin: ca 12 air mi N of Cora.  Elev. 7800-8000 ft.
T36N R110W S8 SE1/4; also NE1/4 S17, N1/2 S16 and SW1/4 S9.  43.1036 N, 110.0069 W; uncertainty 1 mi..  
Pothole lakes and nearby meadows, aspen hillsides, Douglas fir stands, and sagebrush hillsides. Phenology: flowering. 

Thomas Cramer, 2204.  7/22/1994. 		RM 629698	Barcode: RM0228249
_________________________________________________________________________

197.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Sublette County: Green River Basin: McNinch Reservoirs 1 and 2, ca 8.5 air mi NW of Big Piney.  Elev. 7150 ft.
T30N R113W S11 E1/4; also W1/2 S12.  42.6008 N, 110.2689 W.  
Reservoir edge, meadows, and sagebrush with outflow stream meadowed edges. Phenology: flowering. 

Thomas Cramer, 2655.  7/31/1994. 		RM 629697	Barcode: RM0226070
_________________________________________________________________________

198.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Green River Basin: Sweetwater River, ca 8.5 air mi SW of South Pass City.  Elev. 7450 ft.
T28N R101W S19 SE1/4; also SW1/4 S20.  42.3842 N, 108.9164 W; uncertainty 1 mi..  
Riverside meadows, willows, and sagebrush. Phenology: flowering. 

Thomas Cramer, 4160.  8/19/1994. 		RM 629696	Barcode: RM0226069
     with Ben and Becky Cramer
_________________________________________________________________________

199.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Sublette County: Green River Basin: Green River, ca 9 air mi S of Big Piney.  Elev. 6650 ft.
T28N R112W S13 SW1/4.  42.4086 N, 110.1003 W; uncertainty 0.5 mi..  
Riverside meadows, sagebrush, and sagebrush bluff. Phenology: flowering. 

Thomas Cramer, 4271.  8/21/1994. 		RM 629695	Barcode: RM0226068
     with Ben and Becky Cramer
_________________________________________________________________________

200.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains, Cook Lake; ca 7.2 air mi SSE of Alva.  Elev. 4750 ft.
T53N R63W S10 S1/2.  44.5958 N, 104.4072 W; uncertainty 1 mi..  
In water. Phenology: flowering & fruiting. 

Hollis Marriott, 4628.  7/16/1983. 		RM 379528	Barcode: RM0229141
     with Dennis Horning
_________________________________________________________________________

201.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains, Cook Lake; ca 7.2 air mi SSE of Alva.  Elev. 4750 ft.
T53N R63W S10 South1/2.  44.5958 N, 104.4072 W; uncertainty 1 mi..  
In shallow water near shore. Phenology: flowering & fruiting. 

Hollis Marriott, 4629.  7/16/1983. 		RM 379532	Barcode: RM0228945
     with Dennis Horning
_________________________________________________________________________

202.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Crook County: Black Hills, Goldie Divide near junction of Goldie and New Haven roads, ca 5 air mi NW of Hulett.  Elev. 4500 ft.
T55N R65W S29.  44.7225 N, 104.6903 W; uncertainty 1 mi..  
Grassland, reservoir, in water. Phenology: flowering & fruiting. 

Hollis Marriott, 5356.  8/2/1983. 		RM 379531	Barcode: RM0228946
_________________________________________________________________________

203.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Crook County: Black Hills, headwaters of Bitter Creek, ca 2.5 air mi WNW of Alva.  Elev. 4100 ft.
T55N R64W S36 NE1/4.  44.7111 N, 104.4845 W.  
Grassland, reservoir, in shallow water near shore. Phenology: flowering & fruiting. 

Hollis Marriott, 5646.  8/22/1983. 		RM 379530	Barcode: RM0228947
_________________________________________________________________________

204.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Crook County: Black Hills: Alum Creek east of the Bear Lodge Mountains, near Four Corners, Ryan Ranch; ca 7 air mi N of Aladdin.  Elev. 3500 ft.
T55N R61W S20 S1/4.  44.7444 N, 104.2039 W; uncertainty 0.5 mi..  
Sagebrush grassland, reservoir, on drying mud. Phenology: flowering & fruiting. 

Hollis Marriott, 5975.  8/29/1983. 		RM 379529	Barcode: RM0228948
_________________________________________________________________________

205.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Crook County: Black Hills: Missouri Buttes and Butte Divide, small reservoir on divide ca .8 mi NW of highest butte.  Elev. 4600 ft.
T54N R66W S28.  44.6358 N, 104.7889 W; uncertainty 1 mi..  
In shallow water near shore. Phenology: flowering & fruiting. 

Hollis Marriott, 7779.  7/9/1984. 		RM 379509	Barcode: RM0228944
_________________________________________________________________________

206.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Weston County: Black Hills: Canyon Springs Prairie, headwaters of Dry Draw (off Soldier Creek), ca 3.5 air mi NW of Four Corners.  Elev. 5850 ft.
T48N R61W S22.  44.1303 N, 104.16306 W; uncertainty 1 mi..  
On dried mud around reservoir. Phenology: flowering & fruiting. 

Hollis Marriott, 8882.  8/10/1984. 		RM 379508	Barcode: RM0228943
_________________________________________________________________________

207.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Crook County: Powder River Basin: ca 3 air mi N of Oshoto.  Elev. 4100 ft.
T54N R67W S32.  44.6219 N, 104.9314 W; uncertainty 1 mi..  
Sandy plains, holding pond; pond margin. Phenology: flowering & fruiting. 

Keith H. Dueholm, 4901.  7/26/1978. 		RM 327882	Barcode: RM0228962
_________________________________________________________________________

208.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Crook County: Black Hills: lower slopes of Hooker Peak and plains to the NW, 7-8 air mi SSE of Sundance.  Elev. 5100 ft.
T50N R62W S16; also S22.  44.3197 N, 104.3044 W; uncertainty 2 mi..  
Plains, Pinus ponderosa wooded slopes, moist open drainages and stock pond; moist drainage. Phenology: flowering & fruiting. 

Ronald L. Hartman, 18468.  7/17/1984. 		RM 379527	Barcode: RM0229140
_________________________________________________________________________

209.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Crook County: Sundance.
Phenology: vegetative only. 

Aven Nelson, 2194.  7/4/1896. 		RM 7521	Barcode: RM0228964
_________________________________________________________________________

210.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Crook County: 
T56N R60W S17 SE1/4.  
In 1 meter of water in large stockpond. Phenology: flowering & fruiting. 

Gary E. Larson, 8255.  8/4/1982. 		RM 520932	Barcode: RM0228963
_________________________________________________________________________

211.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Las Animas County: Comanche National Grassland and Vicinity: on Jackson Ranch, along West Carrizo Creek on north side of Black Mesa, ca 12 air mi SE of Kim.  Elev. 5104 ft.
T34S R52W S2.  37.11202 N, 103.21669 W; NAD 83, , Nat. Geog. TOPO!.  
At spring below canyon walls dominated by Salix ad Rumex with Quercus thicket on top of canyon walls. Phenology: flowering. 

Bernadette Kuhn, 6974.  7/18/2008. 		RM 
     with Darla Jackson, Lonnie Jackson
_________________________________________________________________________

212.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: on west shore of westernmost of Bremmer Lakes in Van Bremmer Park.  Elev. 8255 ft.
36 50' 29.7" N, 105 5' 44.4" W; WGS 84, uncertainty 3 m., GPS reading.  
Marshy lakeshore with shallow water or saturated mud, dominated by Schoenoplectus acutus, Eleocharis macrostachya, Carex pellita, Calamagrostis stricta. Flowers pink; stems prostrate in shallow water; frequent. Photographed. Phenology: flowering. 

Ben Legler, 6902.  8/1/2007. 		RM 904789	Barcode: RM0028977
_________________________________________________________________________

213.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: southeast corner of Adams Lake; 8.7 air mi W of Casa Grande.  Elev. 8721 ft.
36 53' 35" N, 105 8' 2" W; WGS 84, Digital map.  
Sandy lake shallows dominated by Schoenoplectus, Potamogeton natans, Elodea canadensis. Flowers pink; inflorescences emergent; leaves floating; frequent in 10-20 cm deep water along rocky shore. Phenology: flowering. 

Ben Legler, 7417.  8/10/2007. 		RM 904860	Barcode: RM0030544
_________________________________________________________________________

214.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: west and north shores of Bartlett Lake; 8.5 air mi W of Casa Grande.  Elev. 8701 ft.
36 54' 19" N, 105 7' 47" W; WGS 84, Digital map.  
Sandy and cobbly lake shallows dominated by Schoenoplectus and Potamogeton; very clear water. Tepals pink; inflorescences emergent; leaves floating; occasional in cobbly shallows. Photographed. Phenology: flowering. 

Ben Legler, 7680.  8/14/2007. 		RM 904859	Barcode: RM0030543
_________________________________________________________________________

215.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: small pond 0.8 air mi ENE of Upper Underwood Lakes.  Elev. 9803 ft.
36 57' 55.9" N, 105 11' 47.7" W; WGS 84, uncertainty 4 m., GPS reading.  
Shallow natural pond in depression among mixed aspen-spruce forest, pond surface nearly covered by Glyceria striata and G. borealis, with Polygonum amphibium, Callitriche palustris, Ranunculus gmelinii. Flowers pink; common on pond surface. Phenology: flowering & fruiting. 

Ben Legler, 7732.  8/15/2007. 		RM 904858	Barcode: RM0030542
_________________________________________________________________________

216.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: southeast shore of French Lake; 1.4 air mi E of Cimarron.  Elev. 6379 ft.
36 30' 27" N, 104 53' 26" W; WGS 84, Digital map.  
Shallow man-made lake with exposed muddy shoreline sparsely vegetated with with Chenopodium glaucum and Grindelia squarrosa; lake shallows with patches of Alisma gramineum, Ranunculus aquatilis. Tepals pink; common along shoreline among rock rip-rap. Phenology: flowering. 

Ben Legler, 7765.  8/16/2007. 		RM 904857	Barcode: RM0030541
_________________________________________________________________________

217.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., New Mexico, Taos County: Vermejo Park Ranch: Culebra Range: second lake up from bottom in Seven Lakes chain; in lower part of Long Canyon 3.3 air mi ESE of summit of Big Costilla Peak.  Elev. 9735 ft.
36.912304 N, 105.267334 W; WGS 84, GPS reading.  
Small manmade lake with gravelly bottom and clear water; rimmed by Carex and Glyceria grandis; with Elodea canadensis and Potamogeton gramineus in shallows. Flowers pink; leaves floating; large patch rooted in water over 2 meters deep. Photographed. Specimen GPS: 36.911793, -105.267967. Phenology: flowering. 

Ben Legler, 10876.  8/18/2008. 		RM 904856	Barcode: RM0030540
_________________________________________________________________________

218.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Medicine Bow National Forest: vicinity of Long Lake, ca 10.5 air mi SW of Arlington interchange at I-80.  Elev. 9025 ft.
T18N R80W S27 NE1/4.  41.5048 N, 106.3681 W; GPS Reading.  
Aquatic and lake shore. Phenology: flowering. 

Ronald L. Hartman, 86266.  7/21/2007. 		RM 924027	Barcode: RM0083948
     with Jack S. Hartman
_________________________________________________________________________

219.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: Long Lake and surrounding area, off Forest Road 143, ca 43 air mi NW of Laramie; ca 10 air mi SW of Arlington.  Elev. 8937 ft.
T18N R80W S27.  41.504 N, 106.3707 W; WGS 84, , GPS reading.  
In pond. Phenology: flowering. 

Laura E. Lukas, 7993.  8/11/2008. 		RM 
_________________________________________________________________________

220.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., New Mexico, Harding County: Kiowa National Grassland: 12 air mi NE of Mills.  Elev. 1861 m.
36 13' 6" N, 104 6' 58" W; GPS reading.  
Small pond. Phenology: flowering. 

Michael Schiebout, 786.  7/12/2004. 		RM 823584	Barcode: RM0128246
_________________________________________________________________________

221.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Cascade County: Little Belt Mountains: Smith River, ca 5.5 air mi up upstream from Eden Bridge, ca 23.5 air mi S of Great Falls.  Elev. 1097 m.
T16N R3E S2.  47.1654 N, 111.3268 W; NAD 83, GPS reading.  
Aquatic on west side of river, slow flowing. Phenology: flowering. 

Rick McNeill, 6732.  7/16/2009. 		RM 
_________________________________________________________________________

222.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Powder River County: Custer National Forest: Ashland District: Cow Creek Reservoir ca 6 air mi W of Fort Howes Work Center, ca 25 ai mi S of Ashland.  Elev. 3860 ft.
T6S R45E S17 SE1/4.  45.3105 N, 106.2469 W; NAD 83, , GPS reading.  
Banks of reservoir, adjacent slopes, and dam. Phenology: flowering & fruiting. 

B. E. Nelson, 78244.  7/26/2009. 		USFS 884833	Barcode: USFS0049933
_________________________________________________________________________

223.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Carter County: Along Little Missouri River or South Camp Crook Road just S of Clay Pigeon Road, ca 10 air mi NE of Albion; ca 23 air mi NE of Alzada.  Elev. 3250 ft.
T6S R62E S20 N1/2.  45.2991 N, 104.1527 W; NAD 83, , GPS reading.  
Dry pool areas among cattails in intermittent stream channel and adjacent low areas. Phenology: fruiting. 

B. E. Nelson, 78319.  7/28/2009. 		RM 
_________________________________________________________________________

224.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: in Cheesman Draw, just NE of Pioneer Cemetery off of Forest Road 3045, ca 8.5 air mi WNW of Camp Cook, SD.  Elev. 3630-3670 ft.
T3S R61E S12 South1/2.  45.5862 N, 104.144 W; NAD 83, , GPS reading.  
In and near margin of reservoir. Phenology: flowering. 

Hans Hallman, 3986.  8/11/2009. 		USFS 884832	Barcode: USFS0049932
_________________________________________________________________________

225.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Carter County: Ca 1.5 air mi NW of Hammond Road, in and around unnamed reservoir on Muskrat Creek, ca 6.5 air mi WSW of Ridgeway.  Elev. 3370-3380 ft.
T5S R57E S1.  45.43 N, 104.6232 W; NAD 83, , GPS reading.  
In and on margins of Scirpus-dominated reservoir. Phenology: flowering & fruiting. 

Hans Hallman, 4138.  8/13/2009. 		RM 
_________________________________________________________________________

226.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Yellowstone Plateau: Yellowstone National Park: on the east side of the Twin Buttes at one of the upper ponds, ca 7 mi S of Madison Junction.  Elev. 7520 ft.
T53N R116W S29.  44.5373 N, 110.8745 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Along the shore of the pond with Nuphar polysepala and Alopecurus aequalis. Phenology: flowering & fruiting. 

Erwin F. Evert, 39596.  7/26/2002. 		RM 908764	Barcode: RM0038265
_________________________________________________________________________

227.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., New Mexico, Rio Arriba County: Jemez Mountains: Santa Fe National Forest: Coyote Ranger District: Baca Bog and vicinity, N of northwest corner of Valles Caldera National Preserve and Forest Road 144.
Wetland and riparian habitats. Phenology: flowering. 

Brian F. Jacobs, 6006.  6/29/1997. 		RM 841442
_________________________________________________________________________

228.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., New Mexico, Rio Arriba County: Jemez Mountains: Santa Fe National Forest: Coyote Ranger District: Baca Bog and vicinity, N of northwest corner of Valles Caldera National Preserve and Forest Road 144.
Wetland and riparian habitats. Phenology: flowering. 

Brian F. Jacobs, 6006.  6/29/1997. 		RM 824862
_________________________________________________________________________

229.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: Along Harb Road at an unnamed coulee, ca 23 air mi SSW of Saco; ca 25 air mi ESE of Malta.  Elev. 2440-2460 ft.
T28N R33E S34; also S35 section line.  48.1428 N, 107.4478 W; NAD 83, GPS reading.  
Drying mud basin in a coulee. Phenology: flowering & fruiting. 

B. E. Nelson, 80544.  7/27/2010. 		RM 
_________________________________________________________________________

230.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: Ca 2-2.5 air mi E of Frenchman Creek and ca 0.5 mi S of Saskatchewan, ca 53 air mi NNE of Malta.  Elev. 2780-2940 ft.
T37N R34E S4 South1/2.  48.9924 N, 107.2585 W to 48.9894 N, 107.2545 W; NAD 83, GPS reading.  
Bowls on north-facing slope below thickets. Phenology: vegetative only. 

B. E. Nelson, 80780.  7/31/2010. 		RM 
_________________________________________________________________________

231.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: McChesney Reservoir on the east side of Frenchman Creek and on the north side of Milk River Road, ca 7 air mi NE of Saco.  Elev. 2190 ft.
T32N R34E S12 SE1/4; also S13 NE1/4.  48.5406 N, 107.2425 W; NAD 83, GPS reading.  
Flats at the edge of the reservoir adjacent to willow thickets. Phenology: flowering & fruiting. 

B. E. Nelson, 81220.  9/14/2010. 		RM 
_________________________________________________________________________

232.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: Along Sunnyslope Road ca 6.5 air mi S of Saskatchewan, ca 2.5 air mi N of Chapman; ca 40 air mi NNW of Malta.  Elev. 2820-2850 ft.
T36N R27E S1 E1/2.  48.9069 N, 108.1351 W; NAD 83, GPS reading.  
Playa and swale. Phenology: vegetative only. 

B. E. Nelson, 81352.  9/18/2010. 		RM 
_________________________________________________________________________

233.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Carbon County: Upper North Platte and Laramie River Drainages: Shirley Basin: Dome Rock Reservoir E of County Road 291, ca 4.5 air mi N of Leo.  Elev. 6680 ft.
T27N R83W S16 NE1/4.  42.3108 N, 106.7734 W; uncertainty 0.5 mi..  
Cottonwoods, willows, and graminoids on reservoir banks. Phenology: flowering. 

Amy J. Roderick, 6821.  7/19/1998. 		RM 
_________________________________________________________________________

234.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: W of U.S. Hwy 191 in Black Coulee, ca 1 air mi NE of West Alkali Reservoir, ca 14.5 air mi SW of Malta.  Elev. 2480-2530 ft.
T28N R28E S1 NW1/4; also S2 NE1/4.  48.2152 N, 108.0687 W; NAD 83, GPS reading.  
Aquatic. Phenology: flowering. 

Joseph L. M. Charboneau, 1425.  7/10/2010. 		RM 
_________________________________________________________________________

235.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Valley County: Faraasen Park, adjacent to the Milk River and in Chapman Coulee, ca 4.5 air mi SE of Tampico; ca 7 air mi NW of Glasgow.  Elev. 2080-2150 ft.
T29N R38E S14 SE1/4.  48.2673 N, 106.7466 W; NAD 83, GPS reading.  
Wetlands. Phenology: flowering. 

Joseph L. M. Charboneau, 1657.  7/14/2010. 		RM 
_________________________________________________________________________

236.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Valley County: E of Windy Ridge Road, adjacent to unnamed reservoir, ca 1 air mi NNW of Erie Reservoir, ca 16.5 air mi N of Hinsdale; ca 37 air mi NNW of Glasgow.  Elev. 2670-2680 ft.
T33N R35E S12 NE1/4.  48.6373 N, 107.0852 W; NAD 83, GPS reading.  
Muddy submerged edges of reservoir. Phenology: flowering. 

Joseph L. M. Charboneau, 2384.  7/27/2010. 		RM 
_________________________________________________________________________

237.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Valley County: Conehead Reservoir on South Creek, N of Thoeny Road, ca 3.5 air mi NE of Last Chance Reservoir, ca 15 air mi WNW of Opheim.  Elev. 2620-2630 ft.
T36N R38E S2 SE1/4.  48.9053 N, 106.7114 W; NAD 83, GPS reading.  
Shallow water at reservoir edge. Phenology: flowering. 

Joseph L. M. Charboneau, 2729.  8/1/2010. 		RM 
_________________________________________________________________________

238.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: W of Rocky Point Road, ca 4 air mi S of Point of Rocks Reservoir, ca 6.5 air mi SSE of Dodson; ca 8 air mi WSW of Malta.  Elev. 2520-2530 ft.
T29N R27E S3 NW1/4.  48.3064 N, 108.2119 W; NAD 83, GPS reading.  
Drying mud or in shallow water of reservoir. Phenology: fruiting. 

Joseph L. M. Charboneau, 2991.  8/8/2010. 		RM 
_________________________________________________________________________

239.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: Shore of Ester Lake, N of Hog Farm Road, ca 3.5 air mi SW of Wild Horse Reservoir, ca 26 air mi SW of Malta.  Elev. 2650-2660 ft.
T27N R27E S16 SW1/4.  48.0962 N, 108.2545 W; NAD 83, GPS reading.  
Shallow water and drying mud. Phenology: flowering. 

Joseph L. M. Charboneau, 3035.  8/8/2010. 		RM 
_________________________________________________________________________

240.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Valley County: N of Kerr Road, Wards Reservoir, ca 6.5 air mi NE of Forsman Reservoir, ca 17 air mi SW of Opheim.  Elev. 2930-2940 ft.
T34N R39E S28 SW1/4; also S33 NW1/4.  48.6651 N, 106.6223 W; NAD 83, GPS reading.  
Shallow water at reservoir edge. Phenology: flowering & fruiting. 

Joseph L. M. Charboneau, 3118.  8/10/2010. 		RM 
_________________________________________________________________________

241.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Valley County: Unnamed reservoir W of McEachern Road, ca 7 air mi WNW of Lighthouse Hill, ca 26.5 air mi WNW of Opheim.  Elev. 2630-2650 ft.
T37N R36E S34 SE1/4.  48.9183 N, 106.9646 W; NAD 83, GPS reading.  
Moist clay areas surrounding reservoir and in shallow water. Phenology: flowering. 

Joseph L. M. Charboneau, 3198.  8/10/2010. 		RM 
_________________________________________________________________________

242.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: Reservoir on Cottonwood Creek, E of Turkey Track Road, ca 4 air mi NE of Charley Reservoir, ca 15.5 air mi NE of Whitewater; ca 45 air mi NNE of Malta.  Elev. 2990-3010 ft.
T37N R33E S33 SW1/4.  48.9153 N, 107.3943 W; NAD 83, GPS reading.  
Drying mud around reservoir. Phenology: flowering. 

Joseph L. M. Charboneau, 3464.  8/19/2010. 		RM 
_________________________________________________________________________

243.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: Reservoir No. 161, S of U.S. Hwy 191 and W of Rudolph Valley Road, ca 2.5 air mi W of Partnership Reservoir, ca 17 air mi SW of Malta.  Elev. 2550-2560 ft.
T28N R28E S23 SW1/4.  48.1641 N, 108.0845 W; NAD 83, GPS reading.  
Stony reservoir-side with drying mud. Phenology: flowering. 

Joseph L. M. Charboneau, 3710.  8/22/2010. 		RM 
_________________________________________________________________________

244.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Valley County: January Reservoir and vicinity, N of Little Beaver Road, ca 2 air mi ESE of Wilson Reservoir, ca 10 air mi SW of Glasgow.  Elev. 2250-2310 ft.
T27N R38E S24 N1/2.  48.0799 N, 106.76 W; NAD 83, GPS reading.  
Drying mud of reservoir. Phenology: flowering. 

Joseph L. M. Charboneau, 3816.  8/25/2010. 		RM 
_________________________________________________________________________

245.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Valley County: Willow Creek Flat Reservoir, E of Willow Creek Road, ca 2 air mi E of Old Dog Creek Reservoir, ca 15.5 air mi SSW of Glasgow.  Elev. 2200-2280 ft.
T26N R39E S29 E1/2.  47.9799 N, 106.7155 W; NAD 83, GPS reading.  
Dry reservoir bottom. Phenology: flowering. 

Joseph L. M. Charboneau, 3864.  8/25/2010. 		RM 
_________________________________________________________________________

246.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Jackson County: North Park: Arapaho National Wildlife Refuge: ca 9 air mi S of Walden.  Elev. 8150 ft.
T7N R80W S5.  40 36.513' N, 106 16.645' W; WGS 84, , GPS reading.  
Open water. Pink flowers. Phenology: flowering. 

Bethany Lewis, 456.  7/18/2007. 		RM 840937
_________________________________________________________________________

247.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Gallatin County: Bozeman.
Phenology: flowering. 

J. W. Blankinship, s.n..  8/19/1903. 		RM 122005
_________________________________________________________________________

248.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Big Horn County: CX Coal Site: along Squirrel Creek  Elev. 3550-3940 ft.
T9S R39E S24 NE1/4.  
Drying soil in temporary pond. Pearl School Quadrangle. Phenology: flowering. 

L. M. Mayer, 969.  8/23/1977. 		RM 304938
     with I. J. Mayer
_________________________________________________________________________

249.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Sheridan County: Near Westby.
Phenology: flowering. 

Esther L. Larsen, 101.  7/12/1927. 		RM 117349
_________________________________________________________________________

250.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Cascade County: Great Falls.
Phenology: flowering. 

Frank A. Spragg, s.n..  8/1/1901. 		RM 122006
_________________________________________________________________________

251.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Madison County: Beaverhead National Forest: Romey Lake.  Elev. 8500 ft.
T8S R3W S23.  
On lake bottome, submerged; growing with algae on lake edge. Uncommon. Phenology: flowering. 

Anthony B. Evanko, PL-163.  8/19/1941. 		USFS 451252
_________________________________________________________________________

252.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana: Madison National Forest: south end of Elk Lake.  Elev. 6800 ft.
Growing in 10 to 12 inches of water. Very abundant locally. Phenology: flowering. 

H. E. Schwan, 1.  7/24/1926. 		USFS 450740
_________________________________________________________________________

253.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Gallatin County: Gallatin National Forest: south shore of Hebgen Lake.  Elev. 6700 ft.
Level ground; deep black loam in swamps. Not common. Phenology: flowering. 

James C. Whitham, 1435.  10/30/1933. 		USFS 450741
_________________________________________________________________________

254.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Gallatin County: Gallatin National Forest: south shore of Hebgen Lake: Lonesomehurst Cove.  Elev. 7700 ft.
Muddy lake bottom. Common. Phenology: flowering. 

James C. Whitham, 804.  8/4/1931. 		USFS 450742
_________________________________________________________________________

255.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Missoula County: West bank of Bitterroot River, S of Maclay Bridge.  Elev. 3180 ft.
T13N R20W S34 E1/2.  46.8407 N, 114.1142 W; uncertainty 1 mi..  
In water filled hole of dried out channel of the river. Phenology: flowering. 

Klaus H. Lackschewitz, 9036.  7/16/1979. 		RM 394963
_________________________________________________________________________

256.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Flathead County: North end of Little Bitterroot Lake.  Elev. 3900 ft.
T27N R24W S5.  
In 2-3 feet of water with Scirpus acutus and Potamogeton gramineus. Common. Phenology: flowering. 

Peter Lesica, 3628.  8/11/1985. 		RM 366677
_________________________________________________________________________

257.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Beaverhead County: Anaconda Range: small pond 1 mi SE of Pintlar Lake.
In about 2 ft of water. Phenology: flowering. 

C. Leo Hitchcock, 12782.  7/27/1945. 		RM 203067
     with C. V. Muhlick
_________________________________________________________________________

258.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Gallatin County: Belgrade.
Phenology: flowering & fruiting. 

E. J. Moore, s.n..  6/25/1900. 		RM 55081
_________________________________________________________________________

259.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Madison County: Yellowstone Park: Cliff Lake.  Elev. 7000 ft.
Phenology: flowering. 

P. A. Rydberg, 5358.  7/27/1897. 		RM 21714
     with Ernst A. Bessey
_________________________________________________________________________

260.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Gallatin County: Bridger Canyon.
Phenology: flowering. 

J. W. Blankinship, s.n..  8/23/1898. 		RM 122016
_________________________________________________________________________

261.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Flathead County: Mud Lake, near Bigfork and Flathead Lake.  Elev. 3000 ft.
Middle temperate life zone. Phenology: flowering. 

Marcus E. Jones, s.n..  7/28/1908. 		RM 163552
_________________________________________________________________________

262.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana: Western Montana.
Phenology: flowering. 

M. J. Elrod, 26.  //. 		RM 78906
_________________________________________________________________________

263.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Lake County: 2 mi NE of Nine Pipes Reservoir.
Floating stems, rooted in ca 3 ft of water. Phenology: flowering. 

C. Leo Hitchcock, 17782.  6/27/1948. 		RM 218506
_________________________________________________________________________

264.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Lewis and Clark County: Helena.
Phenology: flowering. 

S. A. Merritt, s.n..  //. 		RM 78758
_________________________________________________________________________

265.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., North Dakota: Valley City.
Phenology: flowering. 

Miss L. L. Perrine, s.n..  7//1896. 		RM 24743
_________________________________________________________________________

266.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., North Dakota, Towner County: Maza.
In marshes. Phenology: flowering. 

J. Kildahl, 19.  9/8/1900. 		RM 35468
_________________________________________________________________________

267.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., North Dakota, Benson County: Leeds.
Phenology: flowering. 

J. Lunell, s.n..  7/22/1909. 		RM 163542
_________________________________________________________________________

268.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., North Dakota, Cass County: Fargo.
edge of dried pond. Phenology: flowering. 

O. A. Stevens, s.n..  8/24/1933. 		RM 154637
_________________________________________________________________________

269.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., North Dakota, Pembina County: Walhalla.
Phenology: flowering. 

L. R. Waldron, 1578.  8/12/1902. 		RM 44799
_________________________________________________________________________

270.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., North Dakota, Benson County: Leeds.
In water and damp soil. Phenology: flowering & fruiting. 

J. Lunell, s.n..  9/8/1911. 		RM 163539
_________________________________________________________________________

271.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., North Dakota, Benson County: Leeds.
In ponds, sloughs, ditches. Phenology: flowering. 

J. Lunell, s.n..  8/7/1901. 		RM 39196
_________________________________________________________________________

272.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., North Dakota: Snyder Lake.
Along edge of lake; sandy. Phenology: flowering. 

no collector, 243.  6/28/1911. 		RM 74182
_________________________________________________________________________

273.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., North Dakota, Richland County: Fairmont.
In shallow water in ditch along railroad. Phenology: flowering & fruiting. 

H. F. Bergman, 2331.  7/22/1912. 		RM 154640
_________________________________________________________________________

274.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., North Dakota, Bottineau County: Turtle Mountains.
Wet ground in small bog, no water. Scattered stems in 3 or 4 rod area. Phenology: flowering & fruiting. 

O. A. Stevens, 539.  7/31/1941. 		RM 189353
_________________________________________________________________________

275.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., North Dakota: Fish Lake.
Sandy shore. Phenology: vegetative only. 

E. T. Tufte, 259.  //. 		RM 74191
_________________________________________________________________________

276.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., North Dakota, Rolette County: Rolla.
Phenology: flowering & fruiting. 

L. R. Waldron, 1785.  8/23/1902. 		RM 44798
_________________________________________________________________________

277.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., South Dakota, Day County: Waubay National Wildlife Refuge: Spring Coulee.
T123N R53W S16 SW1/4.  
Anchored in shallow water of spring fed pond. Floating-leaved; common. Phenology: flowering & fruiting. 

Gary E. Larson, 9116.  7/9/1983. 		RM 394378
_________________________________________________________________________

278.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Nebraska, Lincoln County: North Platte.
Floating aquatic. Phenology: flowering & fruiting. 

C. L. Porter, 2058.  7/10/1935. 		RM 184952
_________________________________________________________________________

279.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Nebraska, Cherry County: Valentine.
Phenology: flowering & fruiting. 

J. M. Bates, s.n..  9/10/1891. 		RM 227654
_________________________________________________________________________

280.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Nebraska, Buffalo County: East edge of Pleasanton: north side of South Loup River.
T12N R16W S35 SE1/4 NE1/4.  
Cattail flat bordering river, wet sandy clay soil. Scattered plants. Phenology: flowering. 

Ralph E. Brooks, 18801.  7/16/1987. 		RM 539169
_________________________________________________________________________

281.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: American Prairie Reserve: unnamed reservoir at APR Yurt Camp, W of Reynolds Hill Road, ca 3.5 air mi WSW of Square Butte, ca 41.5 air mi ESE of Zortman; ca 43.5 air mi SSE of Malta.  Elev. 2660 ft.
T23N R31E S13 NW1/4.  47.7584 N, 107.6663 W; NAD 83, GPS reading.  
In water of stock pond. Phenology: flowering. 

Joseph L. M. Charboneau, 5856.  6/25/2011. 		RM 
_________________________________________________________________________

282.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Valley County: Tomato Can Creek, along Fossum Road, ca 4 air mi S of Saskatchewan, ca 19 air mi WNW of Opheim; ca 53 air mi NNW of Glasgow.  Elev. 2550-2570 ft.
T37N R37E S25 N1/2.  48.936 N, 106.8017 W; NAD 83, GPS reading.  
In running water of creek. Phenology: flowering. 

Joseph L. M. Charboneau, 7235.  7/9/2011. 		RM 
_________________________________________________________________________

283.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: Korsbeck Waterfowl Production Area: W of Stage Road, ca 8 air mi N of Ester Lake, ca 24 air mi NNE of Zortman; ca 21.5 air mi SW of Malta.  Elev. 2590-2600 ft.
T28N R27E S5 N1/2.  48.2154 N, 108.2706 W; NAD 83, GPS reading.  
In water of pond. Phenology: flowering. 

Joseph L. M. Charboneau, 7304.  7/11/2011. 		RM 
_________________________________________________________________________

284.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: American Prairie Reserve: Parrot Coulee at confluence with Beaver Creek, ca 1.5 air mi SW of Veseth Reservoir, ca 16 air mi E of Zortman; ca 36 air mi SSW of Malta.  Elev. 2720-2740 ft.
T25N R27E S25 NW1/4.  47.8969 N, 108.2004 W; NAD 83, GPS reading.  
In water of slough ponds. Phenology: flowering. 

Joseph L. M. Charboneau, 7843.  7/19/2011. 		RM 
     with Damien Austin
_________________________________________________________________________

285.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Blaine County: Black Coulee National Wildlife Refuge: Black Coulee, ca 10.5 air mi S of Turner, ca 21 air mi NE of Harlem; ca 34.5 air mi NW of Malta.  Elev. 2910-2970 ft.
T34N R25E S24 NW1/4.  48.6947 N, 108.4089 W; NAD 83, GPS reading.  
In and around water of reservoir and roadside ditches. Phenology: flowering. 

Joseph L. M. Charboneau, 8378.  7/30/2011. 		RM 
_________________________________________________________________________

286.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: Bennett Lake, just W of intersection of Content Road and Sun Prairie Road, ca 5.5 air mi SSW of Drabbels Reservoir, ca 13.5 air mi N of Beaver Creek, ca 11 air mi SSE of Malta.  Elev. 2600-2610 ft.
T28N R30E S1 NE1/4.  48.2141 N, 107.7905 W; NAD 83, GPS reading.  
Grasslands with scattered silver sagebrush on loamy soil. Phenology: flowering. 

Joseph L. M. Charboneau, 8398.  7/31/2011. 		RM 
_________________________________________________________________________

287.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: Spring Coulee, S of Nylander Road, ca 6.5 air mi NNE of Dodson, ca 8 air mi N of the Milk River, ca 17 air mi WNW of Malta.  Elev. 2710-2720 ft.
T31N R27E S2 NW1/4.  48.4803 N, 108.193 W; NAD 83, GPS reading.  
Dried intermittent pond. Phenology: flowering. 

Joseph L. M. Charboneau, 9247.  8/9/2011. 		RM 
_________________________________________________________________________

288.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: PR-22 Reservoir, N of Whitewater Creek, ca 4.5 air mi SW of 3 Way No. 2 Reservoir, ca 10 air mi NW of Whitewater; ca 37.5 air mi NNE of Malta.  Elev. 2540-2560 ft.
T36N R30E S13 SW1/4.  48.8849 N, 107.7474 W; NAD 83, GPS reading.  
Muddy reservoir shoreline. Phenology: flowering. 

Joseph L. M. Charboneau, 9435.  8/11/2011. 		RM 
_________________________________________________________________________

289.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: Matador Ranch: Government Reservoir (PR-35) in Dry Fork Creek, ca 4.5 air mi SE of Coburn Butte, ca 12.5 air mi SE of Zortman; ca 41 air mi SW of Malta.  Elev. 3050-3070 ft.
T24N R27E S8 SW1/4.  47.8505 N, 108.2907 W; NAD 83, GPS reading.  
Moist reservoir edge. Phenology: flowering & fruiting. 

Joseph L. M. Charboneau, 9505.  8/13/2011. 		RM 
_________________________________________________________________________

290.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Phillips County: Unnamed reservoir S of the intersection of Emond and First Creek Hall Roads, ca 10.5 air mi NW of Indian Lake, ca 26 air mi ESE of Zortman; ca 35 air mi S of Malta.  Elev. 2680-2700 ft.
T24N R29E S3 W1/2.  47.8684 N, 107.9842 W; NAD 83, GPS reading.  
Muddy reservoir edge. Phenology: flowering & fruiting. 

Joseph L. M. Charboneau, 9543.  8/13/2011. 		RM 
_________________________________________________________________________

291.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Valley County: Brazil Creek, S of Bentonite Road, ca 3 air mi NW of Two Butte Reservoir, ca 16 air mi SSE of Hinsdale; ca 17 air mi W of Glasgow.  Elev. 2260-2270 ft.
T28N R37E S19 NE1/4.  48.1715 N, 106.9891 W; NAD 83, GPS reading.  
Riparian area on clay soil. Phenology: flowering. 

Joseph L. M. Charboneau, 9625.  8/15/2011. 		RM 
_________________________________________________________________________

292.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Grand County: Blue Valley Ranch: Beaver ponds.  Elev. 7401 ft.
T1S R80W S5.  Zone 13N, 382084E, 4428356N.  
Riparian area around beaver ponds. Phenology: flowering. 

Cynthia Villa, 844.  6/30/2002. 		RM 
_________________________________________________________________________

293.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: in Cheesman Draw, just NE of Pioneer Cemetery off of Forest Road 3045, ca 8.5 air mi WNW of Camp Cook, SD.  Elev. 3630-3670 ft.
T3S R61E S12 South1/2.  45.5862 N, 104.144 W; NAD 83, , GPS reading.  
In and near margin of reservoir. Phenology: flowering. 

Hans Hallman, 3986.  8/11/2009. 		 	Barcode: USFS0050755
_________________________________________________________________________

294.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Albany County: Laramie Range: South Fork Middle Crow Creek, ca 16.5 mi SE of Laramie.  Elev. 7840 ft.
T14N R71W S26 SE1/4 NW1/4.  472258E, 4556027N; NAD 83, Specimen Label.  
Beaver pond behind newly-constructed beaver dam, submerged, with Carex utriculata and Lemna turionifera. Phenology: flowering. 

Bonnie Heidel, 3767.  8/15/2012. 		RM 909795	Barcode: RM0061842
_________________________________________________________________________

295.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: ca 32 mi W of Cody on U.S. Hwy 14, 16, and 20, at Blackwater Picnic Area and Fire Memorial.  Elev. 6150 ft.
T52N R107W S21 SW1/4.  44.4618 N, 109.7442 W; uncertainty 0.5 mi..  
Around pond with Juncus ensifolius and J. torreyi. Phenology: fruiting. 

Erwin F. Evert, 3565.  9/15/1981. 		RM 341680	Barcode: RM0059278
_________________________________________________________________________

296.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Along the Little Popo Agie River.  Elev. 8770 ft.
T31N R101W S36.  42.6153 N, 108.8442 W; uncertainty 1 mi..  
Small montane pond. Phenology: flowering. 

Richard W. Scott, 6122.  7/15/1987. 		RM 532956	Barcode: RM0059279
_________________________________________________________________________

297.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Near Little Popo Agie bridge.  Elev. 8770 ft.
T31N R101W S36.  
Montane pond. Phenology: flowering. 

Eva Crane, 43.  7/15/1987. 		RM 532658	Barcode: RM0059280
_________________________________________________________________________

298.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Park County: Shoshone National Forest: near Crandall Ranger Station.
T56N R106W S9.  44.844 N, 109.6363 W; NAD 83, uncertainty 0.75 mi., Digital Map.  
Leaves floating in a swampy lake. Phenology: fruiting. 

C. L. Porter, 2220.  8/6/1936. 		RM 146672	Barcode: RM0059281
_________________________________________________________________________

299.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A, Idaho, Lemhi County: Salmon National Forest: Beaverhead Mountains: south shore of shallow unnamed lake between Little Bear Creek and Big Bear Creek, 12.1 air mi E of Leadore.  Elev. 7644 ft.
T15N R28E S4.  
Dominant population in hydric soil within a wetland area, 5 degree slope, NNE aspect, shale geology. Phenology: flowering. 

Joshua J. Irwin, 6904.  7/26/2011. 		RM 
_________________________________________________________________________

300.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Montana, Madison County: Horn Mountains: Cliff Lake, the inlet at Horn Creek, NE of Antelope Prong, ca 5 air mi SW of junction of Mont Hwy 87 and U.S. Hwy 287.  Elev. 6320 ft.
T12S R2E S30 NW1/4.  44.7633 N, 111.537 W; NAD 83, , GPS reading.  
Emergent in shallow areas of a lake. Phenology: flowering. 

Emma E. Freeland, 8099.  8/10/2013. 		RM 
_________________________________________________________________________

301.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Carbon County: Divide between upper North Platte River and Great Divide Basin at Bear Mountain in Ferris Dunes, ca 22 air mi E of Lamont.  Elev. 6650 ft.
T26N R86W S12 SE1/4 NW1/4.  329330E, 4578543N; NAD 83, Specimen Label.  
Shallow pond in sandhill swale; submerged with Potamogeton richarsdonii and Myriophyllum sibiricum. Phenology: buds. 

Bonnie Heidel, 3822.  6/26/2013. 		RM 915143	Barcode: RM0074791
     with Frank Blomquist, Dorothy Tuthill, Steve Williams
_________________________________________________________________________

302.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: Sawmill Mesa, off of Sawmill Mesa or Forest Road 501, ca 20.5 air mi SW of Delta.  Elev. 7740 ft.
T49N R13W S6 NW1/4.  38.5397 N, 108.369 W; NAD 83, , GPS reading.  
In stock pond in oak brush community. Phenology: flowering. 

Lori E. Brummer, 4849.  7/8/2011. 		RM 
_________________________________________________________________________

303.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Goshen County: Ca 17 mi W of La Grange, Bear Creek Road.  Elev. 5000 ft.
41 38.1' N, 104 27.8' W; unknown, , GPS reading.  
Moist bank, with Apocynum and Urtica. Flowers pink; plant stems >1 m long. Phenology: flowering. 

Robert D. Dorn, 11511.  8/11/2014. 		RM 921654	Barcode: RM0079536
_________________________________________________________________________

304.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Platte County: Wheatland Reservoir No 1, southeast side, ca 5 mi SW of Wheatland.  Elev. 5000 ft.
41 59.7' N, 105 1.9' W; unknown, , GPS reading.  
Shore of reservoir, with Populus and Helianthus. Flowers pink; plant stems >1 m long. Phenology: flowering. 

Robert D. Dorn, 11543.  8/11/2014. 		RM 921631	Barcode: RM0079642
_________________________________________________________________________

305.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Lincoln County: Wyoming Range: Bridger-Teton National Forest: Fontenelle Creek drainage.  Elev. 7850 ft.
42 16' 59" N, 110 33' 46" W; unknown, , Specimen Label.  
Stranded on mud of a drying pond. Phenology: flowering & fruiting. 

Sherel Goodrich, 28681B.  8/1/2013. 		RM 956996	Barcode: RM0209917
_________________________________________________________________________

306.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., South Dakota, Pennington County: Southwest edge of Deerfield Lake.  Elev. 6000 ft.
44 0.7' N, 103 49.1' W; unknown, , GPS reading.  
Floating in shallow water of reservior, with Stuckenia. Flowers pink. Phenology: flowering. 

Robert D. Dorn, 12166.  7/30/2018. 		RM 958334	Barcode: RM0215364
_________________________________________________________________________

307.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., South Dakota, Pennington County: Ca 5 mi NE of Hill City, along stream entering Sheridan Lake.  Elev. 4700 ft.
43 57.8' N, 103 29.2' W; unknown, , GPS reading.  
Wet meadow with Cirsium and Solidago. Flowers pink. Phenology: flowering. 

Robert D. Dorn, 12203.  8/22/2018. 		RM 958300	Barcode: RM0215874
_________________________________________________________________________

308.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Sublette County: West Slope Wind River Range: Dollar Lake, ca 0.3 mi E of the Green River; ca 33 air mi N of Pinedale.  Elev. 7800 ft.
T39N R110W S13 NW1/4.  43.3422 N, 110.0026 W; uncertainty 0.5 mi..  
Muddy-sandy bottom of lake in water ca 4-5 inches deep; aquatic community of Polygonum amphibium, Potamogeton, and Myriophyllum. Phenology: flowering. 

Walter Fertig, 15429.  8/21/1994. 		RM 601331	Barcode: RM0226050
_________________________________________________________________________

309.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Laramie County: Southeastern Plains: F. E. Warren Air Force Base: east shore of Upper Lake Pearson, ca 3/4 mi W of I-25; ca 0.9 mi W of Kiwanis Lake, W of Cheyenne,  Elev. 6160 ft.
T14N R67W S23 N1/2 SE1/4.  41.1669 N, 104.8523 W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!.  
Muddy edge of lake and ephemeral pool; soil sandy or semi-saline, often sparsely vegetated; in water. Phenology: flowering. 

Walter Fertig, 16366.  8/29/1995. 		RM 612977	Barcode: RM0226053
     with Stephanie Mills
_________________________________________________________________________

310.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Lincoln County: Northern Wyoming Range: southeast shore of Baily Lake, ca 14 air mi E of Alpine.  Elev. 7300 ft.
T37N R116W S15 SE1/4; also SW1/4 S14.  43.1765 N, 110.746 W; uncertainty 1 mi..  
Aquatic plants floating on surface but rooted to muddy bottom. Phenology: flowering. 

Walter Fertig, 13226.  7/29/1992. 		RM 579805	Barcode: RM0226055
_________________________________________________________________________

311.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Jackson Hole Wildlife Park: near Moran.  Elev. 6750 ft.
T45N R114W S18.  43.859 N, 110.5895 W; NAD 83, uncertainty 0.75 mi., Digital Map.  
Mud along ditch. Phenology: vegetative only. 

John F. Reed, 2647.  8/18/1949. 		RM 214744	Barcode: RM0226056
     with Mildred S. Reed
_________________________________________________________________________

312.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Little Popo Agie Moraine.  Elev. 8500 ft.
T30N R100W S6.  42.6006 N, 108.8247 W; uncertainty 1 mi..  
Pond margins. Phenology: vegetative only. 

Richard W. Scott, 9159.  8/26/1992. 		RM 616201	Barcode: RM0226057
_________________________________________________________________________

313.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Albany County: Dunn's Ranch.  Elev. 7000 ft.
T19N R74W S6.  41.6473 N, 105.7401 W; uncertainty 5 mi..  
Bogs. Phenology: flowering. 

Aven Nelson, 7465.  7/16/1900. 		RM 29145	Barcode: RM0226060
_________________________________________________________________________

314.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park: Swan Lake, near Colter Bay.  Elev. 6400 ft.
T45N R115W S2.  43.8956 N, 110.6373 W; NAD 83, uncertainty 0.5 mi., Digital Map.  
Near shore in 2-4 ft of murky water. Abundant. Phenology: flowering. 

C. L. Porter, 9417.  7/21/1963. 		RM 273262	Barcode: RM0226065
     with Marjorie W. Porter
_________________________________________________________________________

315.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Sublette County: Northern end Wind River Range: at the Green River Lakes.  Elev. 8000 ft.
T39N R108W S31.  43.3118 N, 109.8569 W; NAD 83, uncertainty 1 mi., Digital Map.  
In swamps just below the campground. Occasional. Phenology: flowering. 

C. L. Porter, 9637.  7/28/1964. 		RM 274908	Barcode: RM0228251
     with Marjorie W. Porter
_________________________________________________________________________

316.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Campbell County:   Elev. 4800 ft.
T47N R73W S5.  44.0762 N, 105.6563 W; uncertainty 1 mi..  
Near pond. Phenology: flowering. 

Mary Alice Sanguinetti, 502.  7/15/1978. 		RM 327888	Barcode: RM0228950
     with Keith H. Dueholm
_________________________________________________________________________

317.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Campbell County: 4-5 mi NE of Gillette, near Wood's Homestead and Reservoir.
T50N R71W S17 NW1/4 NE1/4.  44.314 N, 105.4189 W; uncertainty 0.25 mi..  
Uncommon. Phenology: flowering. 

Ronald G. Schreibeis, KM--127.  7/31/1975. 		RM 304764	Barcode: RM0228951
_________________________________________________________________________

318.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Laramie County: Lone Tree Creek.  Elev. 6500 ft.
T13N R68W S26 NE1/4.  41.0706 N, 104.9682 W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO!.  
Meadow, with Linum, Helianthus. Perianth pink. Phenology: flowering. 

Robert D. Dorn, 3001.  8/13/1977. 		RM 306681	Barcode: RM0228952
_________________________________________________________________________

319.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Goshen County: S of Springer Reservoir.  Elev. 4200 ft.
T22N R62W S28 NW1/4.  41.8527 N, 104.309 W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!.  
Phenology: vegetative only. 

Robert Luce, 92.  6/9/1978. 		RM 300861	Barcode: RM0228953
_________________________________________________________________________

320.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Laramie County: Southeastern Plains: F. E. Warren Air Force Base: east shore of Upper Lake Pearson, ca 3/4 mi W of I-25; ca 0.9 mi W of Kiwanis Lake, W of Cheyenne,  Elev. 6160 ft.
T14N R67W S23 N1/2 SE1/4.  41.1669 N, 104.8523 W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!.  
Muddy edge of lake & ephemeral pool; soil sandy or semi-saline, often sparsely vegetated; on mud. Phenology: flowering. 

Walter Fertig, 16365.  8/29/1995. 		RM 612978	Barcode: RM0228955
     with Stephanie Mills
_________________________________________________________________________

321.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Sweetwater River Valley: bend of Sweetwater River, ca 5 air mi SW of Sweetwater Station (TNC Sweetwater Preserve).  Elev. 6600 ft.
T29N R96W S13 NW1/4 NW1/4.  42.4832 N, 108.2577 W; uncertainty 0.25 mi..  
Mud flats at edge of river. Phenology: flowering. 

Walter Fertig, 14553.  8/27/1993. 		RM 602117	Barcode: RM0228959
_________________________________________________________________________

322.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Carbon County: Hanna.
Phenology: flowering. 

Neva Jean Nelson, s.n..  6//1903. 		RM 51651	Barcode: RM0228960
_________________________________________________________________________

323.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Campbell County: 6 mi NNE of Gillette at Moyer (Marshall) Creek.  Elev. 4550 ft.
T51N R72W S36.  44.3589 N, 105.4594 W; uncertainty 1 mi..  
Pondside near Gillette. Phenology: flowering. 

Richard F. Harner, 43.  7/11/1974. 		RM 293267	Barcode: RM0228974
_________________________________________________________________________

324.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Campbell County: Black Thunder Strip Mining Area: North Prong of Thunder Creek and Little Thunder Creek.  Elev. 4630 ft.
T43N R70W S27 NW1/4 SW1/4.  43.6718 N, 105.2494 W; uncertainty 0.25 mi..  
Wet stream bottom; with blue grama, saltgrass, western wheatgrass, prairie cordgrass; loamy, bare, clayey soil, Absted and Bone Series. Phenology: flowering. 

R. E. Ries, 141.  7/6/1973. 		RM 293454	Barcode: RM0229107
     with D. W. Sabinske
_________________________________________________________________________

325.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Campbell County: Powder River Basin: ca 41 air mi SSW of Gillette, ca 5 air mi E of Middle Pumpkins Buttes on Wyo Hwy 50, South Branch Four Mile Creek.  Elev. 5200 ft.
T44N R74W S31 SE1/4.  43.7422 N, 105.7922 W; uncertainty 1 mi..  
Clay in a reservoir with Chenopodium glaucum and Juncus bufonius. Abundant. Phenology: flowering. 

B. E. Nelson, 1967.  9/17/1978. 		RM 327881	Barcode: RM0229108
_________________________________________________________________________

326.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Sheridan County: TWhitney Coal Site: along Tongue River.  Elev. 3540-3790 ft.
T58N R83W S31 NW1/4 SW1/4.  44.9598 N, 106.9185 W; uncertainty 0.25 mi..  
Moist soil and gravel of bank along river; riparian woodlands. Acme Quadrangle. Phenology: flowering. 

L. M. Mayer, 964.  8/23/1977. 		RM 304834	Barcode: RM0229109
     with I. J. Mayer
_________________________________________________________________________

327.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Probably near Riverton.
Phenology: flowering. 

Fish & Game Comission, 19.  //1938. 		RM 178174	Barcode: RM0229112
_________________________________________________________________________

328.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Big Horn County: Cowley.
Phenology: flowering. 

Charles Welch, s.n..  8/10/1966. 		RM 96092	Barcode: RM0229114
_________________________________________________________________________

329.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Johnson County: Eastern Slope Big Horn Mountains: headwaters of Clear Creek and Crazy Woman River.  Elev. 7000-9000 ft.
T49N R84W S15.  44.2172 N, 106.952 W; uncertainty 9+ mi..  
Phenology: flowering. 

Frank Tweedy, 3277.  7/20/1900. 		RM 38276	Barcode: RM0229118
_________________________________________________________________________

330.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Jackson Hole Wildlife Park: near Moran.  Elev. 6750 ft.
T45N R114W S17.  43.8613 N, 110.5758 W; NAD 83, uncertainty 1 mi., Digital Map.  
In beaver ponds. Phenology: flowering. 

John F. Reed, 1519.  8/17/1947. 		RM 209197	Barcode: RM0229119
     with Mildred S. Reed
_________________________________________________________________________

331.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Grand Teton National Park: Swan Lake.  Elev. 6800 ft.
T45N R115W S2.  43.8947 N, 110.6286 W; uncertainty 1 mi..  
Near shore. Phenology: flowering. 

Wilhelm G. Solheim, 4064.  7/21/1955. 		RM 248357	Barcode: RM0229120
_________________________________________________________________________

332.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Carbon County: Elk Mountain, Mill Creek.
Phenology: flowering. 

Eugene Wilkerson, 36.  9/24/1899. 		RM 17392	Barcode: RM0229121
_________________________________________________________________________

333.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Albany County: Laramie.
Phenology: flowering. 

Aven Nelson, s.n..  8/26/1896. 		RM 7520	Barcode: RM0229122
_________________________________________________________________________

334.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Sublette County: Near the lower end of New Fork Lakes.  Elev. 7700 ft.
T36N R110W S22.  43.0765 N, 109.9627 W; NAD 83, uncertainty 0.5 mi., Digital Map.  
Pond. Phenology: flowering. 

Edwin B. Payson, 4432.  7/24/1925. 		RM 103851	Barcode: RM0229123
     with Lois B. Payson
_________________________________________________________________________

335.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Two Ocean Lake.  Elev. 6900 ft.
T46N R114W S34; also S33, S35.  43.9092 N, 110.5281 W; uncertainty 2 mi..  
Phenology: flowering. 

Elmer D. Merrill, 1095.  8/4/1901. 		RM 32151	Barcode: RM0229124
     with E. N. Wilcox
_________________________________________________________________________

336.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Jackson Hole Wildlife Park: NE of Moran.  Elev. 6750 ft.
T45N R114W S17.  43.8658 N, 110.5683 W; uncertainty 2 mi..  
Beaver ponds. Phenology: flowering. 

Alan A. Beetle, 10179.  9/6/1948. 		RM 214808	Barcode: RM0229125
     with John F. Reed
_________________________________________________________________________

337.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Jackson Hole Wildlife Park: near Moran.  Elev. 6750 ft.
T45N R114W S17.  43.8613 N, 110.5758 W; NAD 83, uncertainty 1 mi., Digital Map.  
In beaver ponds. Phenology: flowering. 

John F. Reed, 1519.  8/17/1947. 		RM 209224	Barcode: RM0229126
     with Mildred S. Reed
_________________________________________________________________________

338.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Smith Gulch near old Fort Stambaugh  Elev. 7730 ft.
T29N R99W S8.  
Slough. Phenology: flowering. 

Richard W. Scott, 3647.  6/23/1984. 		RM 354698	Barcode: RM0229127
_________________________________________________________________________

339.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Albany County: Laramie River, ca 25 mi SW of Wheatland, on Nueces Ranch; ca 0.5 mi downstream from ranch cowpens.  Elev. 6100 ft.
T23N R71W S28.  
In water, at edge of river. Phenology: flowering. 

Ruth O' Brien, 1123.  8/26/1982. 		RM 345483	Barcode: RM0229128
_________________________________________________________________________

340.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Albany County: Laramie Range: Medicine Bow National Forest: Pole Mountain District: W of Eagle Rock, along the North Branch Middle Fork Lodgepole Creek.  Elev. 8200 ft.
T15N R71W S8.  41.2828 N, 105.3733 W; uncertainty 1 mi..  
Moist bottomland along the creek; wet areas of the meadow. Flowers pink. Phenology: flowering. 

Jay N. Holliday, Jr., 171.  7/24/1964. 		RM 276760	Barcode: RM0229130
_________________________________________________________________________

341.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Twin Creek Reservoir, 18 mi SE of Lander.  Elev. 5800 ft.
T31N R98W S12.  42.674 N, 108.4923 W; uncertainty 1 mi..  
Damp, sandy banks. Phenology: flowering. 

Richard W. Scott, 369.  8/25/1964. 		RM 275253	Barcode: RM0229135
_________________________________________________________________________

342.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Natrona County: Sweetwater River W of Pathfinder Reservoir, ca 44.5 air mi SW of Casper.  Elev. 5800 ft.
T29N R85W S5 SW1/4.  42.511 N, 107.0403 W; uncertainty 0.5 mi..  
Growing in silt loam of riverside meadow with Agropyron smithii, Juncus balticus, Hordeum jubatum, and Salix. Phenology: flowering. 

Andrew Warren, 46.  8/20/1981. 		RM 337391	Barcode: RM0229136
_________________________________________________________________________

343.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Carbon County: Rock Creek.  Elev. 7250 ft.
T19N R78W S2.  41.6473 N, 106.1259 W; uncertainty 3 mi..  
Phenology: flowering. 

Aven Nelson, 4260.  8/21/1897. 		RM 11120	Barcode: RM0229137
_________________________________________________________________________

344.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Sublette County: Kendall.  Elev. 7600 ft.
T37N R110W S33.  43.1359 N, 110.0612 W; NAD 27, uncertainty 1 mi., Digital Map.  
Small pond. Phenology: flowering. 

Edwin B. Payson, 2930.  8/5/1922. 		RM 94050	Barcode: RM0229138
     with Lois B. Payson
_________________________________________________________________________

345.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Soda Lake.  Elev. 7200 ft.
T41N R112W S11.  43.533 N, 110.257 W; uncertainty 1 mi..  
Growing with Lemna minor along margin of lake. Phenology: flowering. 

Robert W. Lichvar, 933.  8/21/1977. 		RM 315835	Barcode: RM0229142
_________________________________________________________________________

346.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Big Horn County: Bighorn National Forest: swamp on Shell Creek.  Elev. 7000 ft.
T53N 89W Sec 15.  
In water in stagnant swamp. Not common. Phenology: flowering. 

Philip V. Woodhead, 5.  8/16/1924. 		USFS 403688	Barcode: USFS0069531
_________________________________________________________________________

347.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Bonneville National Forest.  Elev. 7650 ft.
Mucky soil; in pond. Phenology: flowering. 

C. E. Taylor, 334.  9/11/1913. 		USFS 409274	Barcode: USFS0069532
_________________________________________________________________________

348.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Bonneville National Forest.  Elev. 7650 ft.
Mucky soil; in pond. Phenology: flowering. 

C. E. Taylor, 334.  9/11/1913. 		USFS 403687	Barcode: USFS0069533
_________________________________________________________________________

349.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Bonneville National Forest.  Elev. 7650 ft.
Mucky soil in pond. Phenology: flowering. 

C. E. Taylor, 334.  9/11/1913. 		USFS 409275	Barcode: USFS0069534
_________________________________________________________________________

350.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Laramie County: F. E. Warren Air Force Base: Crow Creek Picnic area.  Elev. 6100 ft.
T14N R67W S27.  41.15715 N, 104.87334 W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!.  
Aquatic. Phenology: flowering. 

D. Long, s.n..  6//1983. 		RM 397953	Barcode: RM0229144
     with J. Von Loh
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351.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Laramie County: F. E. Warren Air Force Base: Crow Creek Picnic area.  Elev. 6100 ft.
T14N R67W S27.  41.15715 N, 104.87334 W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!.  
Phenology: flowering. 

D. Long, s.n..  6//1983. 		RM 397954	Barcode: RM0229145
     with J. Von Loh
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352.  Persicaria amphibia (L.) Gray 				Polygonaceae

U.S.A., Wyoming, Fremont County: Along Little Popo Agie.  Elev. 5450 ft.
T32N R99W S27.  
Temporary pond. Phenology: flowering. 

Eva Crane, 32.  7/15/1987. 		RM 532955	Barcode: RM0229146
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