Penstemon virgatus (2006)
PLANTAGINACEAE
Penstemon virgatus A. Gray
U.S.A., Arizona, Coconino County: Coconino National Forest: at the intersection of U.S. Hwy 89 and Forest Road 418-420 just E of the base of San Francisco Mountain, ca 12.5 air mi NNE of Flagstaff.
Elev. 7260 ft.
Roadside, barrow pit, and adjacent ponderosa pine savana. Phenology: flowering & fruiting.
Annotations:
2. Penstemon virgatus A. Gray
Annotated by Glenn Rink on 2//2017.
with James F. Fowler
Accession: RM 963854

Penstemon virgatus (1943)
PLANTAGINACEAE
Penstemon virgatus A. Gray
U.S.A., Wyoming, Albany County: E of Laramie.
41.3144° N, 105.5415° W; NAD 83, uncertainty 1 mi., Digital Map
Sandy soil, red beds. Flowers blue-purple. Phenology: flowering.
Accession: RM 194969, Barcode: RM0239352

Penstemon virgatus (1948)
PLANTAGINACEAE
Penstemon virgatus A. Gray
U.S.A., Wyoming, Sublette County: 10 mi N of Daniel.
Elev. 7700 ft.
43.0051° N, 110.1036° W; NAD 83, uncertainty 1.25 mi., Digital Map
Dry gravelly roadside. *Northern Sublette county* Phenology: flowering.
Accession: RM 211116, Barcode: RM0239355

U.S.A., Wyoming, Sublette County: Daniel.
Elev. 7200 ft.
42.864° N, 110.0719° W; NAD 83, uncertainty 1 mi., Digital Map
Dry banks. Flowers pinkish-lavender, drying blue. Phenology: flowering.
Accession: RM 217941, Barcode: RM0239356

U.S.A., New Mexico, Grant County: Gila National Forest; Fort Bayard.
Phenology: flowering.
Annotations:
1. Penstemon virgatus A. Gray
Annotated by Elinor Lehto in 1981.
Alvin L. Medina, 9. 9//1980.
Accession: RMRS (unaccessioned)

U.S.A., Arizona, Navajo County: Apache National Forest: Sitgreaves National Forest; Heber area.
T13N R16E S15
Phenology: flowering.
Accession: RMRS (unaccessioned)

U.S.A., Wyoming, Albany County: Sherman.
Phenology: flowering.
Annotations:
3. Penstemon virgatus A. Gray
Annotated by Francis W. Pennell in 1931.

Penstemon virgatus var. asa-grayi (1996)
Penstemon virgatus A. Gray var. asa-grayi (Crosswh.) Dorn
U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Tarryall Mountains: Platte Springs: off Forest Road 294 at intersection with Forest Road 210 to bluffs above the South Platte River, ca 5.2 air mi N of the town of Lake George.
Open meadows. Phenology: flowering & fruiting.
Accession: (unaccessioned)

Penstemon virgatus var. asa-grayi (1996)
Penstemon virgatus A. Gray var. asa-grayi (Crosswh.) Dorn
U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Thirtynine Mile Volcanic Range: along an unnamed tributary of Threemile Creek and surrounding uplands off Forest Road 108 ca 1.5 rd mi E of intersection with Colo Hwy 9, ca 9.2 air mi NW of Guffey.
Open grassland on volcanic soils. Phenology: fruiting.
Accession: (unaccessioned)

Penstemon virgatus var. asa-grayi (1997)
Penstemon virgatus A. Gray var. asa-grayi (Crosswh.) Dorn
U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Twin Mountain: on south slopes and stream gulches just off U. S. Hwy 50, ca 6 air mi NW of Ca¤on City.
On rocky, open slopes in pinyon-juniper. Phenology: flowering & fruiting.
with Irene Thien
Accession: RM (unaccessioned)

U.S.A., Colorado, Fremont County: [location and coordinates withheld]
On rocky sandstone slopes in pinyon-juniper. Phenology: flowering.
with Irene Thien
Accession: RM (unaccessioned)

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Tarryall Mountains: at Clarke Spring drainage and ridge to W, off Forest Road 130 ca 3.3 air mi W of Jefferson.
On an open, west-facing slope above a Potentilla fruticosa wetland below a stand of aspen on hilltop. Phenology: flowering.
with Irene Thien
Accession: RM (unaccessioned)

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Tarryall Mountains: off Forest Road 148 ca 2 air mi S of Observatory Rock; ca 16 air mi E of Fairplay.
In grassy, open Engelmann spruce stand. Phenology: flowering & fruiting.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Puma Hills: off Forest Road 237, ca 3/4 road mi from intersection with Turner Gulch or County Road 23, ca 6 air mi N of Glentivar.
In a disturbed campsite along the road. Phenology: flowering.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: South Park: at eastern boundary of Muddy Springs State Wildlife Area, on access road ca 1 air mi W of Elkhorn or County Road 15, ca 5.5 mi N of intersection with U. S. Hwy 24; ca 7 air mi NE of Hartsel.
Roadside in Artemisia frigida-Bouteloua gracilis grassland. Phenology: flowering & fruiting.

U.S.A., Colorado, Park County: South Park: along east side of U.S. Hwy 285, ca 4 mi S of Fairplay.
On road shoulder and in adjacent grassland. Phenology: flowering.
Accession: RM 752427

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: in The Canyon and adjacent areas on Forest Road 255 at the forest boundary, ca 12 air mi NW of Capulin; ca 15 air mi SSE of Monte Vista.
Above the canyon with areas of sandstone pavement, soil patches, and rocky areas, with scattered pinyon pine, juniper, isolated Douglas fir and ponderosa pine. Phenology: flowering & fruiting.
1. Penstemon virgatus A. Gray var. asa-grayi (Crosswh.) Dorn
Annotated by Jeanette Flaig.

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Rio Grande National Forest: Colo Hwy 149 N, ca 2.5 air mi N of South Fork.
Along highway. Phenology: flowering.

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: U.S. Hwy 160 E to Monte Vista, S on Colo Hwy 15 to County Road 2S (west); changes to Forest Road 28 then 10.2 road mi.
Pinyon/juniper woodland on north facing slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: just N of Hot Creek State Wildlife Area and E of Ojito Creek and Piedrosa Canyon, 5 air mi ENE of Centro.
Open pinyon pine woodland with a few scattered juniper on slight southwest-facing slope in thin rocky soil. Phenology: flowering & fruiting.

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Limekiln Peak, Old Spanish Trail, Limekiln, SW of Sevenmile Plaza, 7.5 air mi SE of Del Norte.
Rock outcrops in pinyon/juniper woodland with scattered Douglas fir on west-facing slope. Phenology: flowering.

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Limekiln Peak, Old Spanish Trail, Limekiln, SW of Sevenmile Plaza, 7.5 air mi SE of Del Norte.
Rock outcrops in pinyon/juniper woodland with scattered Douglas fir on west-facing slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Rock Creek Park, Bishop Rock, Forest Road 28, 16 air mi SSE of Del Norte.
Open pinyon, juniper, ponderosa pine, and Douglas fir woodland in rock garden. Phenology: flowering & fruiting.

U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Rock Creek Park, Bishop Rock, Forest Road 28, 16 air mi SSE of Del Norte.
Open pinyon, juniper, ponderosa pine, and Douglas fir woodland in rock garden. Phenology: flowering.

U.S.A., Colorado, Mineral County: Eastern San Juan Mountains: Rio Grande National Forest: E of Coller State Wildlife Area: NW of the overlook, side road off Colo Hwy 149, ca 9 air mi NNW of South Fork.
Ponderosa pine woodland with scattered aspen and Douglas fir beneath rock buttes on southwest-facing slope. Phenology: flowering & fruiting.

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: Rio Grande National Forest: 3-3.5 air mi S of Fox Creek, mountain immediately to E of Bighorn Creek and Forest Road 28.
Mixed conifer forest. Phenology: flowering & fruiting.
1. Penstemon virgatus A. Gray var. asa-grayi (Crosswh.) Dorn
Annotated by Jeanette Flaig.

U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: Rio Grande National Forest: 1-1.2 air mi ENE of spillway on Terrace Reservoir; ridge from Forest Service road to top of first main rock outcrop on ridge leading to Chiquito Peak.
Rocky slopes and outcrops and roadside; rocky slopes and outcrops. Phenology: flowering.
1. Penstemon virgatus A. Gray var. asa-grayi (Crosswh.) Dorn
Annotated by Jeanette Flaig.

U.S.A., Colorado, Clear Creek County: Arapaho National Forest: Front Range: ca 0.5 mi NW of Empire on secondary Forest Road 261; ca 8.5 air mi SW of Winter Park.
Mixed coniferous forest and roadside. Phenology: flowering.
with B. E. Nelson

U.S.A., Colorado, Chaffee County: Central Colorado: Mosquito Range, East Slope Continental Divide: Futurity area, follows County Road 185C, ca 7 air mi E of Nathrop.
Mixed conifer (Pinus contorta, P. flexilis, Pseudotsuga menziesii). Phenology: flowering.
Accession: (unaccessioned)

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: Rainbow Trail area from Forest Road 108 to U.S. Hwy 285 at Mears Junction, ca 3 air mi S of Salida.
Mixed conifer to aspen to open grass. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: Bald Mountain area, off Forest Road 345 from Cottonwood Road, ca 7 air mi SW of Buena Vista.
Pinus flexilis and Cercocarpus. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: Little Brown and Brown Creek area, off of Forst Service trails 1429 and 1427 or the Wagon Loop Trail, ca 9 air mi SW of Nathrop.
Mixed forest (Pseudotsuga menziesii, Pinus edulis, P. ponderosa, P. contorta). Phenology: flowering.

U.S.A., Colorado, Lake County: Central Colorado: Mosquito Range, East Slope Continental Divide: off County Road 7 toward Weston Pass, 4.4 road mi E on County Road 7, north side of road, ca 7 air mi SE of Leadville.
Sagebrush with scattered aspen, limber and bristlecone pines, south aspect. Phenology: flowering.

U.S.A., Colorado, Lake County: Central Colorado: Sawatch Range, East Slope Continental Divide: at Twin Peaks Campground, ca 2.5 air mi SW of Twin Lakes.
Lodgepole forest with interspersed aspen. Phenology: flowering & fruiting.
with Sarah Bergemann

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Picuris Pueblo Indian Reservation: southwest corner of Reservation, ca 0.5 air mi W of Chamisal in thinning treatment area.
Moist area where arroyo runs into culvert under road; disturbed area near road. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Carson National Forest and Vicinity: Sangre de Cristo Range: Valle Vidal Unit: Beatty Lakes and vicinity from Forest Road 1914, ca 15 air mi ENE of Red River.
On edge of Ponil burn area in burned ponderosa pine forest. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: near Goodell Corner on County Road 162, ca 26 air mi NW of Fort Collins.
Roadside, dry, sandy southern exposure with Cirsium and Oenothera. Phenology: flowering.
Accession: RM 770893

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Crosier Mountain off Glen Haven Road (County Road 43), 1 mi S of Glen Haven, through Piper Meadows, ca 16 air mi W of Loveland.
Ponderosa pine edged dry meadows, south facing, steep. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: hillsides off County Road 44H, 1 mi E of Pennock Pass, ca 20 air mi W of Fort Collins.
South facing open slopes with scattered aspen groves. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: George Creek from Trail 886 off Sheep Creek Gaging Station Road, ca 32 air mi NW of Fort Collins.
Dry hillsides with Artemisia and Ribes and creek in draw with aspen and Rosa. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: South Branch Crow Creek.
43.5585° N, 105.3691° W; NAD 83, uncertainty .5 mi., Nat. Geog. TOPO!
Meadow with Lupinus and Astragalus. Corolla blue. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: south branch of North Fork Crow Creek, ca 3 mi upstream of Upper North Crow Reservoir, on W side of Wyo Hwy 210; ca 3 air mi W of Laramie County.
Drier margins of wet bog-willow carr on rocky, slightly disturbed slopes and flats of Sherman Granite in sagebrush grassland. Phenology: flowering.
with Jane Struttmann

U.S.A., Wyoming, Albany County: Laramie Range: Schoolhouse Creek valley, ca 2 mi E of Roger Canyon, ca 7.5 air mi NE of Laramie.
Artemisia tripartita var. rupicola/Koeleria macrantha community on south-dipping gentle slopes of gravelly brown clay-loam. Phenology: flowering.

U.S.A., Colorado, Larimer County: Cherokee Park.
Sandy granite soils. Phenology: flowering & fruiting.
Annotated by Glenn Rink in 2020.

Penstemon virgatus var. asa-grayi ()
U.S.A., Colorado, No county County: Colorado Territory
Alpine and subalpine. Phenology: flowering.
Annotated by Glenn Rink in 2020.
no collector, s.n.. //.

U.S.A., Colorado, Park County: South Park, ca 11 mi S of Fairplay, along South Fork South Platte River.
T11S R77W S26
With Muhlenbergia and Festuca arizonica. Phenology: flowering.
Annotated by Glenn Rink in 2020.
with Sue Galatowitsch

U.S.A., Colorado, Larimer County: Phantom Canyon Ranch, N fork Cache La Poudre River, .75 mi S of Halligan Lake dam.
T10N R71W S3
Along river bank, with Betula occidentalis, Alnus. Phenology: flowering.

U.S.A., Colorado, Las Animas County: Whiskey Pass jeep road, NW of Stonewall and Highway 12 near BM 9367.
T33S R69W
South exposure; on rocky soils derived from sandstone with Quercus and Cercocarpus. Phenology: flowering.

U.S.A., Colorado, El Paso County: Aiken Canyon, 18 mi N of Penrose, 16 mi S of Colorado Springs, Mt. Big Chief Quadr.
T16S R67W S28
On edge of Chondrosum grassland. Phenology: flowering & fruiting.

U.S.A., Colorado, Park County: 2 mi N of Fairplay.
Rocky meadows surrounded by pine-spruce forest. Common. Phenology: flowering.
with Marjorie W. Porter

U.S.A., Colorado, Larimer County: Fort Collins.
Near river. Phenology: flowering.
2. Penstemon unilateralis Rydb.
Annotated by Francis W. Pennell in 1931.

U.S.A., Colorado, Park County: Vicinity of Como.
3. Penstemon unilateralis Rydb.
Annotated by Francis W. Pennell in 1931.

U.S.A., Colorado: Cochetopa National Forest: Midde Creek.
Level ground in clay loam meadow. Phenology: flowering.
Annotated by Craig C. Freeman in 2009.
Accession: USFS 498671

U.S.A., Colorado, No county County:
Annotated by F. S. Crosswhite in 1969.

U.S.A., New Mexico, Colfax County: Eagle Nest Lake.
Dry hillside Phenology: flowering.

U.S.A., Colorado, Clear Creek County: Empire.
Phenology: flowering & fruiting.
2. Penstemon unilateralis Rydb.

U.S.A., Colorado, No county County:
4. Penstemon virgatus A. Gray var. asa-grayi (Crosswh.) Dorn.
Earl L. Johnston, 367. //1906.

U.S.A., Colorado, Boulder/Larimer County: On Longs Peak.
Earl L. Johnston, 83. 7//1905.

U.S.A., Colorado, El Paso County: Manitou.
Elev. 2100 m.
Herbaria Formationum Coloradensium Phenology: flowering.
with E. S. Clements

U.S.A., Colorado, Larimer County: Estes Park.
Phenology: flowering & fruiting.
with J. S Benner

U.S.A., Colorado, Boulder County: Near Boulder.
Elev. 1700 m.

U.S.A., Colorado, Saguache County: North end of San Luis Valley.
Sandy soil Rare. Phenology: flowering & fruiting.

U.S.A., Colorado, Saguache County: San Luis Valley: Villa Grove.

U.S.A., Colorado, Boulder County: 5 mi N of Boulder.
In foothill rassland. Scattered. Phenology: flowering.

U.S.A., Colorado, Boulder County: Eldora.

U.S.A., Colorado, Boulder County: Boulder.
Chiefly in places with humus soil. Phenology: flowering.

U.S.A., Colorado, Boulder County: Near Boulder.
Francis Ramaley, a52. 6//1899.

U.S.A., Colorado, Boulder County: Near Boulder.
Plains and foothills. Phenology: flowering & fruiting.

U.S.A., Colorado, Clear Creek County: Empire.
July 15th - 25th, 1903 Phenology: flowering.

U.S.A., Colorado, Gilpin County: Eldora to Baltimore.
Jun 20th - July 10th, 1903 Phenology: flowering.

U.S.A., Colorado, Weld County: New Windsor.
River Phenology: flowering.
3. Penstemon virgatus A. Gray var. asa-grayi (Crosswh.) Dorn.
George E. Osterhout, 1390. 7/2/1897.

U.S.A., Colorado, Grand County: Sulphur Springs.
George E. Osterhout, 3563. 8/7/1907.

U.S.A., Colorado, Larimer County: Dale Creek.
George E. Osterhout, 5134. 7/4/1914.

U.S.A., Colorado, Larimer County: Livermore.

U.S.A., Colorado, El Paso County: Palmer Lake.

U.S.A., Colorado, Larimer County: Estes Park.

U.S.A., Colorado, Weld County: Windsor
Annotated by B. E. Nelson in 1979.
George E. Osterhout, s. n. 7/8/1912.

U.S.A., Colorado, Larimer County: Dale Creek
George E. Osterhout, s.n.. 8/11/1927.

U.S.A., Colorado, Weld County: Windsor.
Annotated by B. E. Nelson in 1979.
George E. Osterhout, s.n.. 6/30/1909.

U.S.A., Colorado, Weld County: Windsor
Annotated by Craig C. Freeman in 1981.
George E. Osterhout, s.n.. 7/7/1892.

U.S.A., Colorado, Larimer County: Estes Park
Phenology: flowering & fruiting.
Annotated by B. E. Nelson.

U.S.A., Wyoming, Albany County: [location and coordinates withheld]
Roadside. Phenology: flowering.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: [location and coordinates withheld]
Roadside. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Colorado, Denver County: Denver.
Prairie Phenology: flowering.

U.S.A., Colorado, Jefferson County: Morrison.
Elev. 1770 m.
Dry hills. Phenology: flowering.

U.S.A., Colorado, Larimer County: Gulch W of Pennock's.

U.S.A., Colorado, Clear Creek County: Idaho Springs

U.S.A., Colorado, Teller County: Manitou Experimental Forest.
T10S R63W S3
Ponderosa pine with Muhlenbergia montana. Scarce. Phenology: fruiting.
Annotated by David D. Keck on 8//1941.
with Sealander
Accession: USFS 499328

U.S.A., Colorado, El Paso County: Pikes Peak.
Transition zone. Phenology: flowering.
with N. T. Schedin

Penstemon virgatus var. asa-grayi ()
U.S.A., Colorado, El Paso County: Pikes Peak.
Canadian zone. Phenology: flowering.
with N. T. Schedin

Penstemon virgatus var. asa-grayi ()
U.S.A., Colorado, Lake County: Near Leadville.
with N. T. Schedin

U.S.A., Colorado, Lake County: Near Leadville.

U.S.A., Colorado, El Paso County: Colorado Springs.
Marcus E. Jones, s.n.. 6//1879.

U.S.A., Colorado, Douglas County: Larkspur
Dry plains Phenology: flowering.

U.S.A., Colorado, Teller County: 5 mi S Divide.
Gravelly hillside Phenology: flowering & fruiting.

U.S.A., Colorado, Chaffee County: Barren, rocky roadside 4-5 mi SW of Trout Creek Pass, between junction of U.S. 24 and U.S. 285.
Barren, rocky roadside. Phenology: flowering.
Annotated by F. S. Crosswhite in 1969.

U.S.A., Colorado, Larimer County: Rocky Mountain National Park: east end of Moraine Park.
Mesic meadow Phenology: flowering.
Annotated by Charles Feddema in 1976.

U.S.A., Colorado, No county County:
no collector, s.n.. 7//1895.

U.S.A., Colorado, Costilla County: Sangre de Cristo Creek.
37.5057° N, 105.3152° W; NAD 83, uncertainty 9 mi., Nat. Geog. TOPO!
with F. K. Vreeland

U.S.A., Colorado, Teller County: Pike National Forest: Woodland Park Ranger Station.
Level slope; granite soil; yellow pea, with oatgrass, Muhlenbergia, cinquefoil, yarrow. Phenology: flowering.
Accession: USFS 499334

U.S.A., Colorado, Park County: Leadville National Forest: South Fork South Platte.
East 15% slope; sandy soil; park. Phenology: flowering.

U.S.A., Colorado, Park County: Leadville National Forest: Rich Creek.
South 10% slope; black loam; dry, rocky hillside. Phenology: buds.

U.S.A., Colorado, Teller County: Pike National Forest: Manitou Experimental Station.
Slope 5%, east exposure; sandy loam; grassland; with Mumo, Fear, Bogr, Artr. Occasional. Phenology: flowering.
Annotated by Larry E. Brown in 1963.

U.S.A., Colorado, Huerfano County: San Isabel National Forest: 20 mi W of Gardner.
Annotated by Rogers McVaugh.

U.S.A., New Mexico, Colfax County: Philmont Scout Ranch, near Cimarron: gravel road, 2 mi NW of Ponil Camp.
Occasional on stream bank. Phenology: flowering.

U.S.A., Colorado, Chaffee County: San Isabel National Forest: Trout Creek Pass
Ruth Ashton Nelson, 7900. 7/26/1964.

U.S.A., New Mexico, Colfax County: York Canyon, west ridge.
2. Penstemon virgatus A. Gray ssp. asa-grayi Crosswh.
Annotated by Ray E. Umber in 1983.
with Alfonso

U.S.A., Colorado, Boulder County: Along State Route 72, north edge of Nederland.
Pine forest. Phenology: flowering.
with Jane P. Nelson

U.S.A., Colorado, Larimer County: Along Colo Hwy 36, 5 mi from Estes Park.
T4N R72W S2
Juniper-pine woodland. Phenology: flowering & fruiting.
with Jane P. Nelson

U.S.A., Colorado, Larimer County: Along south edge of Estes Park along State Route 36.
T5N R72W S22
Open meadow Phenology: flowering.
with Jane P. Nelson

U.S.A., Colorado, Larimer County: Along State Route 36, 2.5 mi from Estes Lake.
Dry open field. Phenology: flowering.

U.S.A., Colorado, Alamosa County: Sangre de Cristo Range, vicinity of Zapata Falls.
Dry pinyon/juniper woodland. Phenology: flowering.

U.S.A., Colorado, El Paso County: Pike National Forest: Manitou Park.
Abandoned field. Phenology: flowering.
Annotated by David D. Keck in 1941.
William M. Johnson, WJ-16. 6/25/1936.

1. Penstemon secundiflorus Benth.
Annotated by Aven Nelson.

U.S.A., Colorado, Huerfano County: Upper Huerfano Park, 2 mi S of Gardner.
with R. C. Wittmann

Flowers deep gentian blue, guite different from P. unilateralis. From plants in garden of W.N.C. received as "Colorado blue". Phenology: flowering.
Willard N. Clute, 3. //.

U.S.A., Wyoming, Albany County: Laramie Range: Sherman, ca 14.5 air mi SE of Laramie.
Along railroad tracks; and in granite outcroppings and sagebrush grassland. Phenology: flowering & fruiting.
Annotated by B. E. Nelson.

U.S.A., Wyoming, Laramie County: Laramie Range: Granite Reservoir: ca 15 air mi E of Laramie.
Southwest facing granite outcrops. Phenology: flowering.
Annotated by B. E. Nelson.

U.S.A., Wyoming, Albany County: Laramie Range: Medicine Bow National Forest: along the Middle Branch Middle Lodgepole Creek, ca 11 air mi ESE of Laramie.
Roadside. Phenology: flowering & fruiting.
with T. McGowan & J. Brondum

U.S.A., Wyoming, Albany County: Laramie Range: off of U.S. Hwy 287, ca 15 air mi SE of Laramie.
Creekside. Phenology: flowering & fruiting.
with T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: Roger Canyon Road, ca 10 air mi NE of Laramie.
Grassland. Phenology: flowering & fruiting.
with T. McGowan & J. Brondum

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Atlas or County Road 224 ca 0.5-1 air mi N of Lodgepole Creek and ca 1 air mi W of I-25, ca 16 air mi N of Cheyenne.
Slopes and edge of a gravelly wash through rolling plains. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: South Branch Crow Creek.
Meadow with Lupinus and Astragalus.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Disturbed areas along railroad. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest boundary: N on Gardener Road or County Road 63.4, W of Walsenburg.
Pinus ponderosa. Phenology: flowering.
Annotated by Ronald L. Hartman.

U.S.A., Colorado, Saguache County: [location and coordinates withheld]
Pinyon-juniper and riparian. Phenology: flowering.
Annotated by Ronald L. Hartman.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: San Isabel National Forest: W on Forest Road 890 along Alder Creek at the forest boundary, S of Poncha Pass.
Riparian with Abies concolor. Phenology: flowering.
Annotated by Ronald L. Hartman.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: W of Colo Hwy 69 on Forest Road 559, S of Westcliffe.
Mixed conifer. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: Medano Pass on the county line, W of Colo Hwy 69 on Forest Road 559, S of Westcliffe.
Picea-Abies. Phenology: flowering.

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: along Forest Road 198 from Luthern Camp to Balman Reservoir, NW of Westcliffe.
Mixed conifer and Quercus gambellii. Phenology: flowering.

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Park Plateau: below North Lake Dam, S of Cuchara Pass on Colo Hwy 12.
Riparian and Quercus gambellii. Phenology: flowering & fruiting.

U.S.A., Colorado, Alamosa County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Luis Valley: by radio tower on road to Zapata Falls, N of Blanca.
Pinyon-juniper-Bouteloua. Phenology: flowering.

U.S.A., Colorado, Otero County: Comanche National Grassland and Vicinity: on Colo Hwy 167, ca 2 air mi N of Radio Tower, ca 10.5 air mi S of Fowler.
Roadside. Phenology: flowering.
Annotated by Bernadette Kuhn.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Canadian River 0.13 mi S of (donwstream from) mouth of Jones Canyon; 9 air mi W of Raton.
Small flowing river with large dry gravel bar and narrow strip of marshy shoreline dominated by Carex spp., Equisetum laevigatum, grasses. Corolla red-purple; stems in clumps of 2-4, scattered on gravel bar. Phenology: flowering.
Annotated by Ben Legler on 8/24/2009.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along the Canadian River at mouth of Dargol Canyon; 14 air mi W of Raton.
Rocky riverbanks and adjacent dry gravel bars, with scattered small Pinus ponderosa saplings, Senecio, Verbascum thapsus, Ratibida columnifera, grasses. Corolla reddish-purple; scattered. Phenology: flowering & fruiting.
Annotated by Ben Legler on 8/24/2009.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Leandro Creek 1.4 air mi S of Munn Lake.
Lush meadow with Rudbeckia hirta, Gaillardia aristata, Linum lewisii, Poa and Hesperostipa comata, with scattered patches of Quercus gambelii, Alnus incana, Salix. Corolla purple; frequent. Phenology: flowering.
Annotated by Ben Legler on 8/24/2009.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: on east side of Little Vermejo Creek 0.1 air mi S of Colorado.
Flat mesic meadows with Hesperostipa comata, Oxytropis sericea, and Ratibida columnifera. Corolla purple with blue on edge of lobes; scattered through meadow. Specimen GPS: 36.99313, -105.134476. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Rock Creek 1.8 air mi NW of Castle Rock and 5.5 air mi W of Casa Grande.
Small flowing stream with marshy borders of Juncus balticus, Mentha arvensis, and Agrostis giganea; bordered by dry grassland and slopes of Pinus ponderosa. Corolla pink-purple; stems scattered singly or few together; uncommon in mesic soil. Photographed. Specimen GPS: 36.894791, -105.080147. Phenology: flowering.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Van Bremmer Creek on downstreamside of mouth of Trail Canyon; 12.2 air mi NNE of Cimarron.
Dry canyon bottom grassland, with Chenopodium, Ratibida columnifera, Grindelia, Verbena macdougalii, Krascheninnikovia lanata Corolla purple at base, blue at tip; stems scattered and uncommon. Specimen GPS: 36.686687, -104.868721. Phenology: flowering.

U.S.A., Colorado, El Paso County: 1.9 mi N of Peyton, on Bijou Basin Road.
Disturbed mixed grass prairie. Phenology: flowering & fruiting.
Annotated by Craig C. Freeman in 2009.
with Chris Paty

U.S.A., New Mexico, San Miguel County: Opposite Pecos.
Juniper-pinyon forest. Phenology: flowering & fruiting.
with J. R. Pennell

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 8.5 road mi on Oak Creek Grade Road from Colo Hwy 96.
Along dry stream bed and slopes; dry, sandy soil; dominant species: ponderosa, grasses, Castilleja, and Lupinus. Phenology: flowering.
with Brian Jacobs and Alex Morgan

U.S.A., Colorado, Chaffee County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: San Isabel National Forest: ca 1.2 road mi on County Road 240 from U.S. Hwy 50.
Along stream and dry ponderosa pine forest slopes; soil fine-grained to gravelly; ponderosa, Rosa, Salix, and aspen. Phenology: flowering.
with Brian Jacobs and Alex Morgan

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Dry Park at intersection of Forest Road 513 (Muddy Mountain Cutoff) and Forest Road 517 (Dry Park Road), ca 1.5 air mi S of Albany and 9 air mi S of Centennial.
Park. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Culebra Range: San Isabel National Forest: Trail 1302 or Spring Creek Trail, ca 1/4 trail mi beyond trailhead.
Fine-grained soil; dominant species: ponderosa, aspen, and white fir. Phenology: flowering.
with Brian Jacobs and Alex Morgan

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Culebra Range: North Fork State Wildlife Area: off of Forest Road 34 from Colo Hwy 12.
Forest and open meadow; fine-grained soil; dominant species: aspen, oak, and ponderosa. Phenology: flowering.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: U.S. Hwy 160, ca 5.5 air mi NW of La Veta.
Roadside. Phenology: flowering.

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Culebra Range: Colo Hwy 12 at Romain Canyon, ca 2.3 road mi S of Monument Lake.

U.S.A., Colorado, Huerfano County: [location and coordinates withheld]
with Craig Freeman

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: North Rock Creek, ca 2.5 road mi E of Alder.
Oak woodlands intermixed with grassy slopes. Phenology: flowering & fruiting.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: Hayden Pass Creek, Forest Service boundary NE to roadside mine, toward Hayden Pass.

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Pinus ponderosa, Quercus gambellii. Phenology: flowering & fruiting.
with Elizabeth Mark and Pete Schneider

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Pinus ponderosa, riparian. Phenology: flowering & fruiting.
with Elizabeth mark

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: from Hayden Campground up toward Hayden Pass, ca 9 air mi S of Howard.
Pinus ponderosa, Quercus gambellii, Pseudotsuga, and Abies concolor. Phenology: flowering.
with Elizabeth Mark

U.S.A., Colorado, Las Animas County: [location and coordinates withheld]
Riparian, wet meadow, dry meadow, and edge of pinyon-juniper-oak woodland. Phenology: flowering & fruiting.
with Elizabeth Mark

U.S.A., Colorado, Huerfano County: [location and coordinates withheld]
Grassland with numerous forbs. Phenology: flowering.
with Elizabeth Mark

U.S.A., Colorado, Costilla County: [location and coordinates withheld]
Artemisia tridentata with stands of Populus tremuloides and Pinus ponderosa. Phenology: flowering.
with Elizabeth Mark and Pete Schneider

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: San Isabel National Forest: from ca 1 mi W of the National Forest boundary to the Music Pass Trailhead.
Populus tremuloides, Picea engelmannii, and Abies lasiocarpa. Phenology: flowering & fruiting.
with Elizabeth Mark and Kenneth Elliott

U.S.A., Colorado, Alamosa County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: Rio Grande National Forest: Zapata Falls to ca 1 mi E, ca 9 air mi S of the entrance to Great Sand Dunes National Monument.
Pseudotsuga menziesii and Pinus edulis. Phenology: flowering & fruiting.

U.S.A., Colorado, Huerfano County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: along Oso and May creeks, 0.7 air mi W of Sharpsdale.
Pinyon pine slopes and roadside. Phenology: flowering.
Annotated by Brian Elliott.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: ca 2.5 air mi NNW of Colo Hwy 114 on road to Cabin Draw.
Ridge and sides of basaltic rock. Phenology: flowering.
with Fengjie Sun

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: Rio Grande National Forest: Soda Spring Gulch, County Road LL56, ca 7 air mi WSW of Villa Grove.
Igneous outcrops and adjacent grassland. Phenology: flowering & fruiting.
Annotated by Brian Elliott.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: Rio Grande National Forest: Soda Spring Gulch, County Road LL56, ca 7 air mi WSW of Villa Grove.
Igneous outcrops and adjacent grassland. Phenology: flowering.

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Cochetopa Hills: County Road NN56, 5 air mi NW of Villa Grove.
Grassland and slopes. Phenology: flowering & fruiting.
Annotated by Brian Elliott.

U.S.A., Colorado, Chaffee County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: San Isabel National Forest: Forest Road 104, 4-5 air mi S of Salida on jeep trail to top of Methodist Mountain.
Along road. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Hills: near Cheyenne Reservoir.
T14N R70W S16; also S15, S21, and S22
Gravelly soil. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Granite Canyon.
41.1024° N, 105.1597° W; NAD 83, uncertainty 1 mi., Digital Map
Flowers dark blue. Phenology: flowering.

U.S.A., Wyoming, Albany County: Near Buford.
T13N R71W
Sunny, disintegrated granite slopes. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Cheyenne.
41.14° N, 104.8202° W; NAD 83, uncertainty 4 mi., Nat. Geog. TOPO!

U.S.A., Wyoming, Albany County: Sherman and Buford.
Sunny and disintegrated granite slopes. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Hills: Horse Creek.
T17N R71W
Annotated by V. June Wetherell in 1959.
with Ruth A. Nelson

U.S.A., Wyoming, Albany County: Fish Creek near Colorado.
Dry granite hillsides. Phenology: flowering.
with Lois B. Payson

U.S.A., Wyoming, Laramie County: Granite Canyon.
Fallow fields. Phenology: flowering.
with Ruth A. Nelson

U.S.A., Wyoming, Laramie County: 7 mi W of Cheyenne.
41.151° N, 104.9708° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Grassland with Oenothera, and Geranium. Corolla blue-lavender. Phenology: flowering.

U.S.A., Wyoming, Albany County: Jelm Mountain Road.
In roadside gravel. Flowers lavender. Phenology: flowering.

U.S.A., Wyoming, Albany County: 9 mi W of Laramie along Wyo Hwy 230.
Two large plants at edge of pavement. Flowers lavender. Phenology: flowering.

U.S.A., Wyoming, Laramie County: Foothills of the Laramie Range: near Crystal Reservoir.
41.1535° N, 105.2034° W; NAD 83, uncertainty 0.75 mi., Digital Map
Dry grassland, granitic soil. Common; corolla lilac-blue. Phenology: flowering.
with Marjorie W. Porter

U.S.A., Colorado, Gilpin County: Eldora to Baltimore.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: along a BLM trail in Trail Gulch ca 1 road mi W from the BLM Banks Campground, ca 11 air mi N of Canon City. EC1/4
In a rocky gulch with a coarse, sandy bottom. Phenology: flowering.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: off County Road 403 along Forest Road 893 and 891, ca 5 air mi S of town of Lake George.
In open grassy field. Phenology: flowering.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: South Park: along the southeastern shore of Antero Reservoir and adjacent hills, ca 4 air mi NE of Antero Junction; ca 6.5 air mi SW of Hartsel.
On a rocky granite hilltop. Phenology: flowering.

U.S.A., Colorado, Teller County: East-central Colorado: Mosquito Range to Plains: Rampart Range: USFS Woodland Park Work Center, 1400 Rampart Range Road or County Road 22, ca 2 road mi N of intersection with U.S. Hwy 24, ca 2 air mi N of Woodland Park.
On slopes in open ponderosa pine forest. Phenology: flowering.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: along the north face of Little Crampton Mountain and W along Cottonwood Creek, ca 1.5 air mi W of Colo Hwy 9, ca 13.5 air mi WNW of Canon City.
On the banks of the creek. Phenology: flowering & fruiting.

U.S.A., Colorado, Douglas County: East-central Colorado: Mosquito Range to Plains: Rampart Range: along Fern Creek and surrounding uplands, approx 0.2 road mi from intersection with Forest Road 351 or Fern Creek Road, ca 12 air mi N of Woodland Park. EC1/4
Open grassy flats along the stream. Phenology: flowering & fruiting.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: South Park: Red Hill: along slopes and ridgetops of Red Hill S of U.S. Hwy 285 at Red Hill Pass, ca 3 air mi NE of Fairplay.
In mixed aspen-spruce-pine forest with sandy-rocky soils. Phenology: flowering.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Gardner Peak/Crampton Mountain: on slopes, ridges and peaks and along Tallahassee Creek, off County Road 21A ca 15.2 air mi ENE of Canon City.
Roadside, and on steep, eroded slopes above the road in grassland. Phenology: flowering.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Gribbles Park: in hills and flat grassland at W end of park, at Badger Creek off County Road 2, ca 14 air mi NE of Salida.
Along a dry, rocky drainage in Artemisia frigida grassland. Phenology: flowering.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Tarryall Mountains: along Forest Road 56 or Lost Park Road on North Fork of Lost Creek and surrounding slopes, ca 7 air mi ESE of Jefferson.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Puma Hills: off Forest Road 234 ca 0.4 rd mi N of intersection with County Road 98 and County Road 100, ca 8 air mi SW of town of Lake George.
Roadside in ponderosa pine forest. Phenology: flowering.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: East Gulch: along East Gulch and surrounding slopes and ridges, at end of County Road 27, ca 5.2 air mi N of town of Texas Creek. C1/2
In moist flats along the stream with gravelly-sandy soils. Phenology: flowering & fruiting.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Beaver Creek State Wildlife Area: along Beaver Creek and adjacent meadows, ridges and gulches off County Road 132 at terminus, ca 15 air mi NE of Canon City.
Dry meadow in pinyon-juniper on ridgetop. Phenology: flowering & fruiting.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Cable Gulch: off Forest Road 174, ca 12.4 air mi NE of Salida.
Roadside in ponderosa pine forest. Phenology: flowering & fruiting.

Penstemon virgatus var. virgatus (2005)
Penstemon virgatus A. Gray var. virgatus
U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: at the intersection of Forest roads 87 and 118 below Montoya Canyon, ca 2.5 air mi W of San Antonio Mountain summit, ca 15 air mi NNW of Tres Piedras.
Rabbitbrush steppe. Phenology: flowering & fruiting.

Penstemon virgatus var. virgatus (2005)
Penstemon virgatus A. Gray var. virgatus
U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Loco Ridge on Forest Road 83, ca 4 air mi NW of Tres Piedras.
Grassland with Quercus gambelii, ponderosa pine forest. Phenology: flowering.

Penstemon virgatus var. virgatus (2005)
Penstemon virgatus A. Gray var. virgatus
U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Mesa del Medio and Martinez Canyon off Forest roads 137 and 1858, ca 4.5 air mi SE of Canjilon.
Logged ponderosa pine forest, pinyon/juniper canyon slopes and canyon bottom with Artemisia tridentata. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Stewart Meadows on Forest Road 87, ca 18 air mi NW of Tres Piedras.
Upland meadow. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Canada del Arrastradero on Forest Road 714, ca 0.5 air mi S of Trampas.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Sangre de Cristo Range: Eagle Nest Lake west shore, Eagle Nest Lake State Park main entrance from U.S. Hwy 64, ca 1 air mi S of Eagle Nest.
Lake shore and adjacent uplands. Phenology: flowering.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: north-northeast slope and summit of Cerro Montoso.
Pinyon/juniper with some ponderosa pine. Phenology: flowering.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Picuris Pueblo Indian Reservation: Cerro Blanco, ca 0.5 air mi N of Vadito.
Pinyon/juniper woodland with Koeleria macrantha and Haplopappus; near outcrop of sedimentary rock. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Forest Road 133 above cattle guard, ca 2 1/4 air mi S of Rio San Antonio, ca 15 air mi NW of Tres Piedras.
Dry meadow and sunny hilltop with Elymus smithii, Festuca arizonica and Muhlenbergia wrightii. Phenology: flowering.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: Forest Road 78A to Chino Lake, ca 4 air mi S of San Miguel on Rio Los Pinos and ca 2 air mi S of Chino dry lake.
Dry meadow with low rocky basalt outcrops and Artemisia frigida, Hymenoxys richardsonii, and Artemisia nova. Phenology: flowering.

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: County Road 503 N into La Caja Canyon on Debris Basin Trail and along Rio Medio to southern end of Santa Cruz Reservoir, 1 air mi W of Cundiyo.
Pinyon/juniper slopes and dry wash. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Forest Road 100 at Temoline Canyon, 4 air mi SE of Youngsville. NW1/4 air mi on road.
Roadside and roadcut through wide, flat canyon bottom of pinyon/juniper; sagebrush, rabbitbrush, and saltbush below. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Canones Creek and vicinity, 6.5 air mi SSE of Youngsville; 0.2 air mi W of Canones Creek.
Dry ponderosa pine forest with thick needle beds on fine volcanic ash; some pockets of open meadow. Phenology: flowering & fruiting.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Glorieta Mesa: Valle Grande on Forest Road 323, ca 4.5-5 air mi S of South San Ysidro; ca 13.5-14 air mi SSE of Pecos.
Stony areas adjacent to shallow drainage with Rocky Mountain juniper, some pinyon, and scattered ponderosa pine. Phenology: flowering & fruiting.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Glorieta Mesa: Lopez Tank on Canyon del Aqua del Corral and vicinity on Forest Road 324, ca 10 air mi S of South San Ysidro; ca 19 air mi SSE of Pecos.
Forb meadow. Phenology: flowering & fruiting.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Sierra Nacimiento: Joaquin Canyon on the north side of Mesa Venado, ca 0.5 air mi W of Rio Guadalupe, ca 6 air mi W Jemez Springs; ca 19.5 air mi SSE of Cuba.
Clearing in pinyon/juniper forest. Phenology: flowering & fruiting.

U.S.A., New Mexico, Bernalillo County: Sandia Mountains: Cosa Loma.
Meadow. Phenology: flowering & fruiting.
2. Penstemon virgatus A. Gray var. virgatus
Annotated by Craig C. Freeman on 11//2010.

U.S.A., New Mexico, Socorro County: Mogollon Mountains: on or near West Fork Gila River.
2. Penstemon virgatus A. Gray var. virgatus
Annotated by Craig C. Freeman on 11//2010.

U.S.A., Arizona, Coconino County: 10 - 11 mi E of Flagstaff.
Juniper-pinyon forest. Phenology: flowering & fruiting.
3. Penstemon virgatus A. Gray var. virgatus
Annotated by Glenn Rink on 2//2017.
with J. R. Pennell

U.S.A., Arizona, Coconino County: Flagstaff.
In yellow pines. Phenology: flowering.
Annotated by Glenn Rink on 2//2017.
Annotated by Craig C. Freeman on 11//2010.

U.S.A., Arizona, Coconino County: Flagstaff.
In yellow pines. Phenology: flowering & fruiting.

U.S.A., New Mexico, Catron County: Datil National Forest: Evans Big Horse Pasture.
South slope; sandy clay soil; grass-weed. Moderate. Phenology: flowering.
Harold Peckenpaugh, 26. 7/30/1924.

U.S.A., New Mexico, Grant County: Gila National Forest: Mimbres Ranger Station pasture.
Annotated by Ivar Tidestrom.

U.S.A., Arizona, Coconino County: Along U.S. Hwy 89 between mile post 435-436, just N of Flagstaff.
T21N R7E S16
Ponderosa pine-oak woodland. Phenology: flowering & fruiting.

U.S.A., New Mexico, Bernalillo County: Sandia Mountains.
E. F. Castetter? Phenology: flowering & fruiting.
Annotated by Aven Nelson.

U.S.A., Arizona, Coconino County: Ca 11.5 km (7 mi) airline distance NE of downtown Flagstaff, ca 1.6 km (1 mi) W of U. S. Hwy 89.
T22N R8E S20
In open area (burned over) surrounded by ponderosa pine. Common. Phenology: flowering & fruiting.
with Patricia K. Holmgren and Ruth E. Kern

U.S.A., New Mexico, Catron County: Mogollon Mountains: on or near the West Fork Gila River.

U.S.A., Arizona, Coconino County: Tusayan National Forest: Spring Valley Pasture.
Gravelly loam. Phenology: flowering & fruiting.

U.S.A., New Mexico, Bernalillo County: 2/5 mi S of Cibolla National Forest boundary on NM Hwy 10.
34.9688° N, 106.298° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Clay loam soil; 10% slope; woodland with Pinus edulis, Juniperus scopulorum, Bouteloua gracilis, Agropyron smithii. Occasional; flowers light lavender-blue. Phenology: flowering & fruiting.
Annotated by Charles Feddema.

U.S.A., New Mexico, Grant County: Gila National Forest: Pinos Altos.

U.S.A., New Mexico, Catron County: Apache National Forest.
Coarse sandy loam soil; canyon, with grass, sedge, weeds. Common. Phenology: flowering.

U.S.A., New Mexico, Santa Fe County: 25 mi S of Golden.
Dry Juniper woodland. Phenology: fruiting.

U.S.A., New Mexico, Sandoval County: Near Valle Grande.
Yellow pine forest. Corolla white with red veins. Phenology: flowering & fruiting.

U.S.A., New Mexico, Taos County: Between Questa and Taos.
Yellow pine- pinyon foothills. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest: Mesa Escobe.
On 3% east silt loam slope with Festuca arizonica, Muhlenbergia montana, and Hymenoxys richardsonii. Phenology: flowering & fruiting.
with N. Duane Atwood

U.S.A., New Mexico, Taos County: Above Toas, near Arroyo Hondo.

U.S.A., New Mexico, Santa Fe/San Miguel County: Between Santa Fe and Las Vegas.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest: Near Coyote Ranger Station, Jemez.
Ponderosa pine woodland in clay loam soil. Phenology: flowering & fruiting.

U.S.A., Colorado, Conejos County: Rio Grande National Forest: N of Terrace Reservoir.
On 5% south slope in gravelly soil. Common. Phenology: flowering & fruiting.

U.S.A., Colorado, Rio Grande County: Rio Grande National Forest: 0.5 mi E of old mine shaft on South Cat Creek.
Level, sandy loam; with fescue, grama, sporobolus. Phenology: flowering & fruiting.