Salix eriocephala var. ligulifolia (2003)
SALICACEAE
Salix eriocephala Michx. var. ligulifolia (C. R. Ball) Dorn
U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: along the Conejos River, on road between Colo Hwy 17 and Forest Road 250, ca 19.5 air mi W of Antonito.
Elev. 8650 ft.
Willow carr in the river bottom. Phenology: vegetative only.
Accession: RM (unaccessioned)

Salix eriocephala var. ligulifolia (2003)
SALICACEAE
Salix eriocephala Michx. var. ligulifolia (C. R. Ball) Dorn
U.S.A., Colorado, Conejos County: Eastern San Juan Mountains: along the Conejos River, on road between Colo Hwy 17 and Forest Road 250, ca 19.5 air mi W of Antonito.
Elev. 8650 ft.
Willow carr in the river bottom. Phenology: vegetative only.
Annotations:
2. Salix eriocephala Michx. var. ligulifolia (C. R. Ball) Dorn
Annotated by Gwen Kittel on 3//2019.
1. Salix petiolaris Sm.
Annotated by Jeanette Flaig.
Accession: RM (unaccessioned)

Salix eriocephala var. ligulifolia (2004)
SALICACEAE
Salix eriocephala Michx. var. ligulifolia (C. R. Ball) Dorn
U.S.A., Colorado, Grand County: Gore Range: Pump House Recreation Area: ca 8 air mi SW of Kremmling and ca 3.5 mi NE of Radium, along Colorado River.
Elev. 7000 ft.
Along river. Phenology: flowering & fruiting.
Accession: RM (unaccessioned)

U.S.A., Colorado, Grand County: Middle Park: ca 2 air mi S of Wolford Mountain and ca 2.5 air mi NNE of Kremmling, just S of Cow Gulch.
In moist bed of intermittent stream. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Middle Park: just N of Deer Creek, ca 9 air mi NW of Kremmling and ca 28.5 air mi SE of Steamboat Springs.
Along stream. Phenology: flowering & fruiting.

U.S.A., Colorado, Grand County: Williams Fork Mountains: ca 2 mi NW of Green Mountain Reservoir along Colo Hwy 9.
Along small stream through shale/siltstone substrate. Phenology: flowering & fruiting.

U.S.A., Utah, San Juan County: Glen Canyon National Recreation Area: Rattlesnake Hanging Garden in unnamed canyon ca 3 km SW of Alcove Canyon.
Elev. 1158 m.
zone 12, 525143E, 4122410N; Specimen Label
Hanging garden.
with C. L. May and Jon Hak
Accession: (unaccessioned)

U.S.A., Wyoming, Carbon County: Great Divide Basin Area: Great Divide Basin: Snowshoe Canyon on Atlantic Rim, ca 5 air mi SW of Bridger Pass; ca 19 air mi SE of Creston Junction.
Moist drainage at base of canyon; dense tall graminoids, scattered Salix thickets; some burned areas. Phenology: vegetative only.
Accession: (unaccessioned)

U.S.A., Wyoming, Albany County: Medicine Bow Range: along Strain Creek on south side, 2 air mi SE of Albany, ca 0.1 mi downstream from abandoned railroad bed; from Fox Creek Road ca 2.2 mi W on Forest Road 517, and ca 1.2 mi S on Forest Road 540.
Common in small marl fen with sparse dwarf shrubs including Betula glandulosa and Salix candida and high moss cover; also with Carex aquatilis, C. simulata, Thalictrum alpinum. Phenology: vegetative only.
with George P. Jones
Accession: RM 784689, Barcode: RM0265717

U.S.A., Wyoming, Albany County: Medicine Bow Range: Sheep Mountain, fen at head of Fence Creek, ca 9.5 air mi SE of Centennial; from Wyo Hwy 130, S ca 9 mi on Wyo Hwy 11.
T14N R77W S11 SW1/4 of NW1/4; S 1 mi on Forest Road 311 (Fox Creek Road) and E to trailhead; ca 3 mi E on trail
Open water-laden central area of fen, with Carex simulata, Eleocharis quinqueflora. Phenology: vegetative only.
with George P. Jones
Accession: RM 784637, Barcode: RM0265719

U.S.A., Wyoming, Albany County: Medicine Bow Range: Sheep Mountain, fen complex at the head of Hecht Creek, ca 9.5 air mi SE of Centennial: from Wyo Hwy 130, S ca 9 mi on Wyo Hwy 11.
T14N R77W S3 NE1/4; S 1 mi on Forest Road 311 (Fox Creek Road); also E to trailhead; ca 4 mi E of trail
Common with Carex aquatilis, Eriophorum angustifolium. Phenology: vegetative only.
Accession: RM 784627, Barcode: RM0265718

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: O'Haver Lake area, on County Road 200, 3.4 road mi from U.S. Hwy 285, ca 7.5 air mi SW of Poncha Springs.
Pinus ponderosa with Populus tremuloides woodland at lake front. Phenology: fruiting.
Annotations:
1. Salix eriocephala Michx. var. ligulifolia (C. R. Ball) Dorn
Annotated by ver. R. Dorn.
Accession: (unaccessioned)

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: angle of Shavano Trail Head and Colorado Trail, off County Road 240, ca 4 air mi NNW of Maysville.
Pseudotsuga menziesii at the base of rock with open Cercocarpus montanus, north-northwest aspect. Phenology: fruiting.
Annotations:
1. Salix eriocephala Michx. var. ligulifolia (C. R. Ball) Dorn
Annotated by ver. R. Dorn.

U.S.A., Colorado, Chaffee County: Central Colorado: Mosquito Range, East Slope Continental Divide: off Forest Road 376.1, ca 3 air mi NE of Buena Vista.
Pinus edulis woodland at stream crossing. Phenology: fruiting.
Annotated by ver. R. Dorn.

U.S.A., Colorado, Eagle County: Central Colorado: Castle Peak Area, West Slope Continental Divide: 2 road mi on County Road 33, ca 2 air mi N of Eagle, immediately after gate, along road and to the W.
Pinyon-juniper woodland on east aspect. Phenology: flowering & fruiting.

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: near the Crater, not far off Forest Road 181A, ca 5 air mi NE of Salida.
Mixed habitat, including roadside vegetation and pinyon-juniper woodlands. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 9 air mi ESE of Gunnison.
Sagebrush slope and drainage. Phenology: flowering.
Accession: 778224

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 9 air mi E of Parlin.
Northwest-facing slope; Juniperus communis, Douglas-fir, aspen, and Colorado blue spruce. Phenology: flowering.
Accession: 778223

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: along Elk Creek, ca 14 air mi WSW of Gunnison.
Along creek; sagebrush, Populus angustifolia, Ribes, Salix, Pentaphylloides, and Amelanchier. Phenology: flowering.
Accession: 778222

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 3.5 air mi SE of Paonia Reservoir.
South-facing drainage; Acer, Alnus, Colorado blue spruce, and Cornus. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: [location and coordinates withheld]
Along creek. Phenology: fruiting.

U.S.A., Colorado, Gunnison County: Northern Gunnison Basin: ca 1.5 air mi S of Paonia Reservoir.
Steep, east-facing slope; ponderosa pine/Douglas-fir forest; Colorado blue spruce and Rosa. Phenology: fruiting.

U.S.A., Colorado, Larimer County: Riparian Plants of the Cache la Poudre River: Joe Wright Creek just upstream with its confluence with the river, near bridge at Big South Trailhead on Colo Hwy 14.
T8N R75W S28
Steep eroding streambank.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: ca 4 mi W of Truchas.
Timber sale area with ponderosa pine and juniper; small stream. Phenology: fruiting.
with Robert Peters

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Forest Road 10, Capulin Canyon near trailhead, ca 6 air mi E of Taos.
Riparian, roadside and Pinus ponderosa/mixed conifer forest. Phenology: fruiting.

U.S.A., New Mexico, Rio Arriba County: Carson National Forest and Vicinity: NM Hwy 580 along South Fork Embudo Creek, ca 3 air mi SSE of Dixon.
Riparian area along creek with Populus species and Tamarix. Phenology: flowering.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: Pueblo de Taos Indian Reservation: Rio Pueblo de Taos and south slopes of Pueblo Canyon, ca 6 air mi E of Taos Pueblo.
Lightly disturbed camping area at end of road with large Pinus ponderosa and riparian area of stream. Phenology: fruiting.
with James Lucero

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: Nature Conservancy's San Miguel Preserve, ca 2 air SE of Uravan.
River bank with Populus and Salix. Phenology: flowering & fruiting.

U.S.A., Colorado, San Miguel County: [location and coordinates withheld]
Riparian zone on creek and dry bench above, with disturbed soil. Phenology: flowering & fruiting.

U.S.A., Colorado, San Miguel County: [location and coordinates withheld]
Dry field and shore of reservoir, with Artemisia. Phenology: flowering & fruiting.

U.S.A., Colorado, San Miguel County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: Beaver Creek, ca 10 air mi SSE of Norwood.
Riparian with Salix spp., spruce and dogwood. Phenology: flowering & fruiting.

U.S.A., Colorado, San Miguel County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: South Fork: trail from old railroad grade to beaver ponds on Nature Conservancy preserve, ca 6 air mi SW of Telluride.
Damp forested hillside, east-facing slope with aspen, spruce and Douglas fir; and riparian with willows by beaver ponds. Phenology: flowering & fruiting.

U.S.A., Colorado, San Miguel County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: Deep Creek, ca 6 air mi W of Telluride.
Riparian along the creek and steep west-facing slopes with spruce, aspen and Douglas fir. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: San Miguel River Drainage: along Cottonwood Creek ca 1 mi ENE of Pinon.
Riparian along creek with Populus and Salix, and adjacent dry grazed areas with oak. Phenology: flowering & fruiting.

U.S.A., Colorado, San Miguel County: [location and coordinates withheld]
Riparian area with Salix spp. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: ca 1.5 air mi SE of Pinon near the San Miguel River.
Riparian area with Poa spp. and willow and adjacent sandy flood plain and marshy areas. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: San Miguel and lower Dolores River Drainages: ca 1.5 air mi SE of Pinon near the San Miguel River.
Riparian area with Poa spp. and willow and adjacent sandy flood plain and marshy areas.

U.S.A., Colorado, San Miguel County: San Miguel and Lower Dolores River Drainages: San Miguel River Drainage: at bridge over Fall Creek and downstream along west side of creek.
Riparian with Populus angustifolia and Salix exigua. Phenology: flowering & fruiting.

Riparian area with Acer negundo and Salix exigua; warm green water with black anaerobic mud. Phenology: vegetative only.

Riparian area with Salix exigua. Phenology: vegetative only.

U.S.A., Colorado, San Miguel County: San Miguel and Lower Dolores River Drainages: San Miguel River Drainage: Specie Creek, ca 0.5 mi S of San Miguel River.
Riparian area with Populus and Picea pungens. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Southern Gunnison Basin: San Juan Mountains: ca 21.5 air mi NNE of Lake City along Milkranch Gulch and adjacent west- and north-facing slopes; ca 1/4 road mi E of intersection of County Road 27 and Colo Hwy 149; on S side of road.
Heavily vegetated roadside gulch. Phenology: flowering.

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: ca 11.7 air mi SSE of Doyleville in a side canyon of Cochetopa Canyon; ca 7.6 air mi NNW of Cochetopa Dome; from County Road 14-PP to Cochetopa Creek.
Open, grassy upper portion of side canyon. Phenology: flowering.

U.S.A., Colorado, Saguache County: Southern Gunnison Basin: ca 11.7 air mi SSE of Doyleville in a side canyon of Cochetopa Canyon; ca 7.6 air mi NNW of Cochetopa Dome; from County Road 14-PP to Cochetopa Creek.
Open, grassy upper portion of side canyon. Phenology: flowering & fruiting.

U.S.A., Colorado, Dolores County: Upper Dolores River Drainage and Adjacent Areas: Lone Cone State Wildlife Area, ca 26 air mi NNE of Dolores, E of Forest Road 526.
Oak, scattered ponderosa, aspen grove with creek, pinyon and juniper, south to west facing. Phenology: vegetative only.
Annotated by Robert D. Dorn.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: northwest corner of Ocean Lake, ca 4.5 air mi SE of Pavillion off Wyo Hwy 134; ca 17.5 air mi NW of Riverton.
Flats adjacent to the lake with willow thickets and open areas. Phenology: fruiting.
Annotated by Rachel Newton.
with Rob Massatti and Rachel Newton

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: along Twin Creek and Twin Creek or County Road 19 at the west base of Sheep Mountain, ca 19-19.5 air mi SE of Lander.
Bench along the stream. Phenology: fruiting.
Annotated by Rachel Newton.

U.S.A., Wyoming, Uinta County: Wetlands and Adjacent Areas: Bear River, ca 1.5 air mi SE of Evanston.
Flood plains. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Sybille Creek.
41.9164° N, 105.1193° W; NAD 83, uncertainty 3 mi., Digital Map
Shrubs or small trees; creek drainage. Shaded areas. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: North Fork Sybille Creek at Game and Fish Department Experimental Area.
41.7622° N, 105.377° W; NAD 83, uncertainty 1 mi., Digital Map
Streambank. Shrubs 8 ft high; twigs yellowish-green. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: North Fork of Sybille Creek in canyon at Wyoming Game and Fish Department Experimental Area.
41.7672° N, 105.3666° W; NAD 83, uncertainty 1 mi., Digital Map
Stream bank. Shrubs 8 ft high. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: North Fork of Sybille Creek in canyon at Wyoming Game and Fish Department Experimental Area.
Shrubs 10 ft high, leaves glaucous beneath. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: North Fork Sybille Creek at the Wyoming Game and Fish Department Experimental Area.
Stream bank; in the canyon. Shrubs 8 ft high, twigs yellowish-green. leaves glaucous beneath;same as 6876 mature leaves Phenology: fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: North Fork Sybille Creek at the Wyoming Game and Fish Department Experimental Area.
Meadow; in canyon. About 9 ft high. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: North Fork Sybille Creek at the Wyoming Game and Fish Department Experimental Area.
Meadow; in canyon. Phenology: vegetative only.

U.S.A., Wyoming, Albany County: Laramie Range: on Laramie River in canyon at diversion tunnel to Bluegrass Creek.
41.9224° N, 105.4257° W; NAD 83, uncertainty 0.5 mi., Digital Map
In water. Shrubs 10 ft high. Phenology: vegetative only.

U.S.A., Wyoming, Albany County: Laramie Range: along the North Fork of Sybille Creek, in canyon.
Shrubs to 15 ft high; twigs reddish-brown. Phenology: fruiting.
with Marjorie W. Porter

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Paso del Norte Road, 2.5 air mi S of Rabbit Mountain. S for 0.3 air mi in drainage near Valles Grande Pumice Mine, and N 0.5 mi along ascending road that exits Del Norte Canyon
Narrow canyon bottom of grass/sedge cut by road. Phenology: vegetative only.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Along Forest Road 86 just shy of Cow Creek crossing, 5 air mi NE of Pecos. From prominent bend SE for 0.3 air mi on ascending road.
Roadside along coarse sand and gravel cuts through mixed conifer/aspen slope. Phenology: vegetative only.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Forest Road 92 in Rito de la Osha, 4.5 air mi SE of Terrero, at side road heading N along perpendicular drainage ca 500 ft.
Riparian, adjacent meadow with scattered blue spruce/aspen, and roadside with cut gravel banks. Phenology: vegetative only.

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Rio Medio off Forest Road 436, E of the Santo Domingo de Cundiyo Land Grant and 7 air mi ESE of Chimayo. E along river 0.4 air mi to gate at narrowing of canyon.
Canyon bottom a grazed, irrigated meadow next to riparian of river. Pinyon/juniper woodland slopes with granitic bluffs and cliffs. Phenology: vegetative only.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Forest Road 263 along Gallinas Creek, 16 air mi NW of Las Vegas. From Fishing Hole Picnic Area 0.3 mi in both directions along creek.
Canyon bottom roadside, riparian, and bluffs of volcanic rock in mixed conifer forest. Phenology: vegetative only.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Turkey Creek 0.8 road mi S of NM Hwy 126, Forest Road 20 split.
Redbeds with ponderosa pine. Phenology: fruiting.
with Brian Reif and Jim Fowler

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Las Conchas Campground on NM Hwy 4 upstream on East Fork Jemez River to 0.8 mi.
Canyon and streamside. Phenology: vegetative only.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Arroyo de los Encinos, 3.5 air mi ENE of Chimayo; from small springs and mature cottonwoods at base of sedimentary formation/cliffs to S 0.3 air mi in dry wash.
Desert shrubland with spring above and narrow, excised dry wash through soft sediment below. Phenology: vegetative only.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: El Porvenir Canyon on Trail 247, 5 air mi W of San Ignacio, near Hollinger Canyon junction.
Canyon bottom of mostly spruce, and moist lower slope of mixed conifers along trail; granite bluffs constricting canyon. Phenology: vegetative only.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Coyote Creek at Forest Road 317/Forest Road 316 junction, 7 air mi S of Coyote.
Riparian of creek in moist, grassy canyon bottom. Phenology: vegetative only.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Pecos Wilderness: Valle Largo Trail 248 in vicinity of Rio Mora, 2.5 air mi ENE of Cowles; from meadow slope E on trail to Rio Mora crossing.
East-facing slope with thick Quercus, Cercocarpus, and scattered mixed conifers; metamorphosed sandstone/limestone above; eroding granite forming gravel slope below. Phenology: vegetative only.

U.S.A., New Mexico, Mora County: [location and coordinates withheld]
Roadside in meadow bottom including lower, south-facing slope of Gambels oak/ pinyon pine, and riparian at creek crossing; ponderosa pine forest. Phenology: vegetative only.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Sierra Nacimiento: Joaquin Canyon, ca 2 3/4 - 3 1/4 air mi W of Rio Guadalupe, ca 8.5 air mi N of Jemez Springs; ca 17.5 air mi SSE of Cuba.
Along creek and adjacent meadows. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Pine Bluffs.
41.1779° N, 104.0822° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Sand Creek.
Creek banks. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: South Branch Crow Creek, ca 12 air mi SE of Laramie, on west side of Happy Jack Road (Wyo Hwy 210) across from junction with Forest Road 701.
T14N R71W S3
Peatland zone in marshy creek segment, with Salix planifolia, Carex utriculata. Phenology: fruiting.
with S. Laursen
Accession: RM 745765

U.S.A., Wyoming, Albany County: Wyo Hwy 130 crossing of Little Laramie River, north east side of road and river crossing.
Phenology: fruiting.
Accession: USFS 403453, Barcode: USFS0070938

U.S.A., Wyoming, Platte County: Sybille Creek.
Phenology: vegetative only.

U.S.A., Wyoming, Albany County: Laramie River.
Phenology: fruiting.

U.S.A., Wyoming, Albany County: Rock River.
This willow is less frequent than some others in this region. Phenology: fruiting.

U.S.A., Wyoming, Albany County: North Fork of the Little Laramie River.
Female shrub; 3-10 ft tall. Phenology: fruiting.
with Mildred S. Reed

U.S.A., Wyoming, Albany County: Centennial.
Phenology: fruiting.

U.S.A., Wyoming, Albany County: Little Laramie River at Wyo Hwy 130.
41.2949° N, 106.0348° W; NAD 83, uncertainty .5 mi., Nat. Geog. TOPO!
Willow thicket with Salix lasiandra and Salix exigua. Shrub 2m high. Phenology: vegetative only.

U.S.A., Wyoming, Albany County: Little Laramie River on Centennial Highway. (Wyo Hwy 130).
41.2947° N, 106.035° W; NAD 83, uncertainty .5 mi., Nat. Geog. TOPO!
Willow thicket with Salix lasiandra and Salix exigua. Shrub 2m high. Phenology: vegetative only.

U.S.A., Wyoming, Albany County: Little Laramie River on Centennial Highway. (Wyo Hwy 130).
41.2947° N, 106.035° W; NAD 83, uncertainty .5 mi., Nat. Geog. TOPO!
Willow thicket with Salix lasiandra and Salix exigua. Shrub 1.5m high. Phenology: vegetative only.

U.S.A., Wyoming, Albany County: Little Laramie River at Wyo Hwy 130.
Willow thicket with Salix exigua and Salix lasiandra. Shrub 2m high. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: South Fork Bear Creek.
41.6079° N, 104.803° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!
Stream bank with Salix exigua and carex. Shrub 1m high. Phenology: fruiting.

U.S.A., Wyoming, Albany County: Little Laramie River at Wyo Hwy 130.
River bank with Salix lasiandra and Salix monticola. Shrub 5m high, leaves glaucous. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Chugwater Creek.
Streambank with Salix exigua and Acer negundo. Shrub 2m high, leaves glaucous. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Chugwater Creek.
Stream bank with Salix exigua and Acer negundo. Shrub 3m high, leaves glaucous. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Horse Creek.
Stream bank with Salix exigua and Salix monticola. Shrub 3m high, leaves glaucous. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Crow Creek, 2 mi W of Cheyenne.
Stream bank with Salix amygdaloides and Salix exigua. Shrub 3m high, leaves glaucous. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: 0.5 mi NNE of Bags.
Roadside ditch with Salix exigua and Bromus. Shrub 3m high, leaves glaucous. Phenology: vegetative only.

U.S.A., Wyoming, Carbon County: Battle Creek.
Stream bank with Salix lasiandra and Salix Exigua. Shrub 5m high, leaves glaucous. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Richard's Gap.
Seepage area with Salix bebbiana and Betula. Shrub 4m high, leaves glaucous. Phenology: vegetative only.

U.S.A., Wyoming, Carbon County: South edge of Baggs.
Roadside ditch with Salix lasiandra and Salix exigua. Shrub 3m high, leaves glaucous. Phenology: vegetative only.

U.S.A., Wyoming, Sweetwater County: Richard's Gap.
Seepage area with Artemisia and Rosa. Shrub 4m high, leaves glaucous beneath. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Savery Creek.
Ditch bank with Salix exigua and Populus angustifolia. Shrub 4m high, leaves glaucous beneath. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Savery Creek Road.
Brushy slope with Ribes and Populus angustifolia. Shrub 3m high, leaves glaucous beneath. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: 0.5 mi N of Baggs.
Ditch bank with Salix exigua and Bromus. Shrub 4m high, leaves glaucous beneath. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: 3 mi E of Cheyenne, along Crow Creek.
Bottoms along creek with Salix exigua and Salix amygdaloides. Shrub 3m high, leaves glaucous beneath. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Grayrocks Reservoir.
Shore of reservoir with Populus and Tamarix. Shrub 2m high, leaves glaucous. Phenology: vegetative only.

U.S.A., Wyoming, Laramie County: Crow Creek, ca 2 mi W of Cheyenne.
Stream bank with Salix exigua and S. amygdaloides. Shrub 2m high, leaves glaucous. Phenology: vegetative only.

U.S.A., Wyoming, Laramie County: Crow Creek 3 mi W of Cheyenne.
41° 10' N, 104° 53' W; unknown, , GPS reading
With S. amygdaloides. Shrub 4m high, 'a' grown in sun, 'b' grown in shade. Cuttings taken in 3 January 2002, cuttings grown in greenhouse until 4 April 2002 Phenology: vegetative only. Cultivated.

U.S.A., Wyoming, Laramie County: Southeast Plains: Crow Creek S of Silver Crown, 1.3 mi N of Wyo Hwy 210 (Happy Jack Road), ca 12 mi W of Cheyenne.
Salix exigua community with dense understory of Alopecurus aequalis on alluvial soils. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Southeast Plains: North Branch Little Bear Creek, ca 25 air mi N of Cheyenne; ca 6 mi W of I-25.
Narrow strip of Salix ligulifolia vegetation parallel to channel of floodplain on mixed alluvium; understory with Carex nebrascensis, Solidago canadensis, and Phleum pratense. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Red Creek Basin: upper Red Creek, ca 24 air mi E of Flaming Gorge Reservoir; ca 0.5 mi E of County Road.
Streambank with occasional narrowleaf cottonwood, willow, and sagebrush; slopes badly eroded. Shrub 3 ft tall. Phenology: fruiting.
with Rick Studenmund

U.S.A., Wyoming, Laramie County: Southeast Plains: F. E. Warren Air Force Base: west bank of Crow Creek, ca 0.3 mi NW of confluence with Diamond Creek, ca 2.5 mi N of I-80 just W of Cheyenne.
Moist streambank in community of Salix exigua/S. ligulifolia with understory of Elymus virginicus, Euphorbia esula, and Gaura neomexicana. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Southeast Plains: "Island" on east bank of Crow Creek at the confluence of two small forks of the creek near the west boundary of F. E. Warren Air Force Base, Cheyenne.
41.1567° N, 104.875° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!
Willow thicket dominated by Salix eriocephala var. ligulifolia and S. exigua on moist, gravelly-loamy alluvium on terrace flats; with Cirsium arvense, Agrostis stolonifera, and Elymus canadensis. Cover ca 95%, canopy averages 6-8 ft tall; shrub 6-7 feet tall. Phenology: vegetative only.
with Laura Welp

Willow thicket with Salix lasiandra and Salix exigua. Phenology: vegetative only.
Annotated by Robert D. Dorn in 1993.
Accession: RM 292880

U.S.A., Wyoming, Albany County: Little Laramie River on Centennial Highway. (Wyo Hwy 130).
Willow thicket with Salix lasiandra and Salix exigua. Phenology: vegetative only.
Annotated by Robert D. Dorn in 1993.
Accession: RM 292705

U.S.A., Wyoming, Albany County: Little Laramie River on Centennial Highway (Wyo Hwy 130).
Willow thicket with Salixlasiandra and Salix exigua. Phenology: vegetative only.
Annotated by Robert D. Dorn in 1993.

Willow thicket with Salix exigua and Salix lasiandra. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: South Fork Bear Creek.
Stream bank with Salix exigua and carex. Phenology: fruiting.

River bank with Salix lasiandra and Salix monticola. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Chugwater Creek.
Streambank with Salix exigua and Acer negundo. Phenology: fruiting.

Stream bank with Salix exigua and Acer negundo. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Horse Creek.
Stream bank with Salix exigua and Salix monticola. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Crow Creek, 2 mi W of Cheyenne.
Stream bank with Salix amygdaloides and Salix exigua. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: 0.5 mi NNE of Bags.
Roadside ditch with Salix exigua and Bromus. Phenology: vegetative only.

U.S.A., Wyoming, Carbon County: Battle Creek.
Stream bank with Salix lasiandra and Salix Exigua. Phenology: fruiting.

U.S.A., Wyoming, Sweetwater County: Richard's Gap.
Seepage area with Salix bebbiana and Betula. Phenology: vegetative only.

U.S.A., Wyoming, Carbon County: South edge of Baggs.
Roadside ditch with Salix lasiandra and Salix exigua. Phenology: vegetative only.

Seepage area with Artemisia and Rosa. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Savery Creek.
Ditch bank with Salix exigua and Populus angustifolia. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: Savery Creek Road.
Brushy slope with Ribes and Populus angustifolia. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: 0.5 mi N of Baggs.
Ditch bank with Salix exigua and Bromus. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: 3 mi E of Cheyenne, along Crow Creek.
Bottoms along creek with Salix exigua and Salix amygdaloides. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Crow Creek: ca 2 mi W of Cheyenne.
Stream bank with Salix exigua and S. amygdaloides. Phenology: vegetative only.

U.S.A., Arizona, Coconino County: Coconino National Forest: East Clear Creek; Mack Crossing.
Phenology: vegetative only.
Annotated by George W. Argus in 1991.
Accession: RMRS 402

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: area S of NM Hwy 4, between East Fork Jemez River and trun off to Jemez Falls Campground.
Ponderosa pine woodland and roadside. Phenology: vegetative only.

U.S.A., Colorado, Jackson County: North-central Colorado: Park Range: between forest boundary and abandoned mine ca 2 air mi W of Pitchpine Mountain, ca 16-16.5 air mi W of Walden.
Brushy roadside in aspen forest. Phenology: vegetative only.
Annotated by Robert D. Dorn.

U.S.A., Colorado, Park County: Several ni NW of Jefferson, N of County Road 35, W of U. S. Highway 285, S of Jefferson Hill. Jefferson Quad.
T8S R76W S25 NE1/4 of NE1/4
Growing for several miles with Salix spp., Carex spp., Parnassia parviflora, and mosses. Phenology: fruiting.
Annotated by Gwen Kittel on 3//2019.
Linda Senser, s.n.. 8/6/2000.

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: East Fork Jemez River, short segment in Preserve ca 1 air mi SW of El Cajete (center of caldera).
Along river with blue spruce and white fir on slopes, willow and birch scattered on bank. Phenology: vegetative only.

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: Rito de los Indios, 1.8 air mi NNE of Pipeline Road.
Felsenmeer with stream, high flow; streamside. Phenology: vegetative only.
with Brian Jacobs

U.S.A., Wyoming, Albany County: Laramie Range: Johnson Reservoir, ca 27 air mi NE of Laramie.
Reservoir and adjacent granite outcrops. Phenology: vegetative only.
Annotated by Robert D. Dorn.
with J. Brondum and T. McGowan

U.S.A., Colorado, Moffat County: Dinosaur National Monument: Castle Park: Yampa River.
Along stream. Phenology: flowering & fruiting.
1.
Annotated by C. L. Porter in 1993.

U.S.A., Colorado, Gunnison County: Slate River about 1 mi upstream from Crested Butte.
Low terrace along river. Phenology: fruiting.

U.S.A., Colorado, Gunnison County: Tomichi Creek near Parlin (8 mi E of Gunnison).
Wet stand near creek. Phenology: flowering & fruiting.

U.S.A., Colorado, Gunnison County: Tomichi Creek near Parlin (8 mi E of Gunnison).
Wet stand near creek. Phenology: fruiting.

Wet stand near creek. Phenology: fruiting.

Wet stand near creek. Phenology: flowering & fruiting.

U.S.A., Colorado, Alamosa County: Sand Creek just W of Great Sand Dunes National Monument.
Isolated clone along creek. Phenology: fruiting.

U.S.A., Colorado, Costilla County: Sangre de Cristo Creek at W foot of La Veta Pass.
Dense thicket along creek. Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Naturita.
River bottom lands. Phenology: flowering.

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

U.S.A., Colorado, San Miguel County: Confluence of San Miguel River and Horsefly Creek, San Miguel Canyon.
Cobble and sand bar. Phenology: fruiting.

U.S.A., Colorado, San Miguel County: Nature Conservancy Middle San Miguel River Preserve.
Narrow floodplain in sandstone canyon with Picea pungens. Phenology: fruiting.
with Nan Lederer

U.S.A., Colorado, San Miguel County: Banks of San Miguel River near Norwood Bridge.
In dense stand of Picea pungens, Betula occidentalis, Pseudotsuga, Lonicera involucrata, Cornus sericea. Phenology: fruiting.
with Nan Lederer

U.S.A., Colorado, San Miguel County: Tabeguache Creek 6 mi upstream of confluence with San Miguel River.
Narrow stream with Populus angustifolia, Rhus trilobata, large boulder substrate. Phenology: fruiting.
with Sam Hamer

U.S.A., Colorado, Elbert County: W Kiowa Creek.
Phenology: flowering & fruiting.

U.S.A., Colorado, Alamosa County: Muddy flat S side of Rio Grande River near State Bridge.
Muddy flat. Phenology: fruiting.
1.
Annotated by Carleton R. Ball in 1993.

U.S.A., Colorado, Alamosa County: Muddy flat S side of Rio Grande River near State Bridge.
Muddy flat. Phenology: flowering & fruiting.
1.
Annotated by Carleton R. Ball in 1993.

U.S.A., Colorado, Rio Grande County: Along irrigation ditch S of Monte Vista.
Slough in cottonwood grove. Phenology: fruiting.
Annotated by Carleton R. Ball in 1993.

U.S.A., Colorado, Jefferson County: Clear Creek, near Golden.
Phenology: flowering.

U.S.A., Colorado, San Miguel County: Nature Conservancy Upper San Miguel River Preserve.
T42N R9W S19
Cobble banks of San Miguel River with Picea pungens, Populus angustifolia. Phenology: flowering & fruiting.
with Margaret Condron

U.S.A., Colorado, San Miguel County: Nature Conservancy Upper San Miguel River Preserve.
Cobble banks of San Miguel River with Picea pungens, Populus angustifolia. Phenology: fruiting.
with Margaret Condron

U.S.A., Colorado, Montrose County: Spring Creek, a small tributory to Tabeguache Creek.
Stream bank with Fraxinus anomala, Amelanchier utahensis. Phenology: flowering & fruiting.
with Margaret Condron

U.S.A., Colorado, Huerfano County: On Turkey Creek and Tributaries.
with F. K. Vreeland

U.S.A., Colorado, Huerfano County: Walsenburg.
Elev. 1800 m.
with F. K. Vreeland

U.S.A., Colorado, Huerfano County: Cuchara River, below La Veta.
Phenology: flowering.
with F. K. Vreeland

U.S.A., Colorado, Saguache County: SE of Saguache.
Roadside ditch with Salix exigua and Typha. Plants have been sprayed with herbicide. Phenology: vegetative only.

U.S.A., Colorado, Teller County: Florissant.
Stream bank with Salix monticola and Salix exigua. Phenology: vegetative only.

U.S.A., Colorado, Montrose County: Near Iron Creek, 10 mi S of Crawford.
Phenology: vegetative only.
Accession: USFS 445787

U.S.A., Colorado, Dolores County: Beaver Creek at Forest roads 514 and 526 junction.
37° 39.6' N, 108° 24' W; unknown, , GPS reading
Stream bank with Salix exigua, Rosa. Phenology: fruiting.

U.S.A., New Mexico, Mora County: Ocate Creek at Ocate.
Stream bank with Salix exigua. Phenology: vegetative only.

U.S.A., Colorado, Weld County: 0.4 mi W of Hereford.
Roadside ditch opposite Crow Creek with Salix exigua, Salix amygdaloides. Phenology: vegetative only.
Annotated by r in 1993.

U.S.A., Colorado, Moffat County: S of Baggs, Wyoming.
Stream bank with Salix exigua, Salix amygdaloides, Salix lasiandra. Phenology: vegetative only.

U.S.A., Colorado, Moffat County: 5 mi SE of Savery, Wyoming.
Moist bank with Rosa, Ribes. Phenology: vegetative only.

Salix eriocephala var. ligulifolia Salix lutea (1993)
Salix eriocephala Michx. var. ligulifolia (C. R. Ball) Dorn Salix lutea Nutt.--intermediate
U.S.A., Colorado, Moffat County: Browns Park.
Stream bank with Salix exigua, Ribes. Phenology: fruiting.

U.S.A., Colorado, Gunnison County: 0.5 mi W of Somerset.
Flood plain with Salix exigua, Populus angustifolia. Phenology: flowering.

U.S.A., Colorado, Routt County: Along HIghway 40 3.5 mi E of Routt-Moffat County line.
Willow swamp with Salix exigua, Salix lasiandra. Phenology: fruiting.

U.S.A., Colorado, Grand County: 7 mi NNE of Kremmling.
Roadside ditch with Salix exigua, Juncus. Phenology: vegetative only.

U.S.A., Colorado, Garfield County: 2.5 mi NW of New Castle.
Roadside ditch with Cornus, Salix bebbiana. Phenology: flowering.

U.S.A., Colorado, Pueblo County: Just S of SE corner of Lake Isabel.
Roadside ditch with Salix monticola, Salix lasiandra. Phenology: fruiting.

U.S.A., New Mexico, Taos County: Along Red River 3.7 road mi above Questa.
Stream bank with Salix drummondiana, Populus. Phenology: vegetative only.

U.S.A., New Mexico, San Miguel County: Pecos, along Highway 223 near Pecos River.
Ditch bank with Salix lasiandra, Salix exigua. Phenology: vegetative only.

U.S.A., New Mexico, Sandoval County: 6 road mi above Cuba along Highway 126.
Stream bank with Salix exigua, Rosa. Phenology: vegetative only.

U.S.A., New Mexico, Rio Arriba County: Arroyo del Aqua.
Roadside ditch with Salix exigua, Ulmus. Phenology: vegetative only.

U.S.A., Colorado, La Plata County: Haviland Lake 18 mi N of Durango.
Edge of fen with Salix monticola, Salix bebbiana. Phenology: vegetative only.

U.S.A., Colorado, Ouray County: 2 mi NW of Ouray at Junction Highway 550 and County Road 14.
Ditch bank with Salix lasiandra, Salix exigua. Phenology: vegetative only.

U.S.A., Colorado, Saguache County: Along Highway 50 0.8 mi SE of Gunnison County line.
Wet meadow with Salix geyeriana, Salix lasiandra. Phenology: fruiting.

U.S.A., Colorado, Chaffee County: Trout Creek at Highway 24-285 and County Road 307, 4 mi S Trout Creek Pass.
Stream bank with Salix fragilis, Salix exigua. Phenology: fruiting.

U.S.A., Colorado, Las Animas County: NE side of North Lake 7.2 mi below Cucharas Pass.
Stream bank with Salix monticola, Betula. Phenology: fruiting.

U.S.A., Colorado, Custer County: Colony Creek near Roads 119-130 Junction, ca 5 mi SSE of Westcliffe.
Stream bank with Salix lasiandra, Salix exigua. Phenology: vegetative only.

U.S.A., Colorado, Fremont County: 0.4 mi N of Hillside along Highway 69.
Ditch bank with Salix lasiandra, Salix monticola. Phenology: vegetative only.

U.S.A., Colorado, Park County: Middle Fork of South Platte River at Highway 9 crossing 7.5 mi NW of Highway 24.
Stream bank with Salix bebbiana, Salix lasiandra. Phenology: vegetative only.

U.S.A., Colorado, Eagle County: Along Eagle River 0.5 mi below Minturn.
River bank with Salix bebbiana, Populus angustifolia. Phenology: vegetative only.

U.S.A., Colorado, Pitkin County: Along Crystal River 5. 2 mi road mi S of Garfield County line between Carbondale and Redstone.
River bank with Populus, Cornus. Phenology: vegetative only.

U.S.A., Colorado, Summit County: Blue River ca 5 road mi above Green Mountain reservoir.
Ditch bank with Salix bebbiana, Salix monticola. Phenology: vegetative only.

U.S.A., Colorado, Lake County: Arkansas River ca 1 mi above Independence Pass Road.
River bank with Salix bebbiana, Salix boothii. Phenology: vegetative only.

U.S.A., Colorado, Delta County: North Fork Gunnison River ca 4 mi NE of Paonia.
T13S R91W S15
River bank with Salix lasiandra lasiandra, Salix exigua. Phenology: vegetative only.

U.S.A., New Mexico, Colfax County: Ca 3.5 mi W of town of Black Lake.
Stream bank with Salix exigua, Populus tremuloides. Phenology: vegetative only.

U.S.A., Colorado, Conejos County: Conejos River at Highway 17 ca 6 road mi NNE of La Manga Pass.
River bank with Salix geyeriana, Salix lasiandra. Phenology: vegetative only.

U.S.A., New Mexico, Rio Arriba County:
Edge of wash with Salix exigua, Juncus. Phenology: flowering.

U.S.A., Colorado, Montezuma County: N of Mancos.
Ditch bank with Salix lasiandra, Elaegnus. Phenology: vegetative only.

U.S.A., Colorado, Hinsdale County: Near Piedra River.
Roadside ditch with Populus angustifolia, Salix exigua. Phenology: vegetative only.

U.S.A., Colorado, Archuleta County: Mountains N of Pagosa Springs.
Ditch bank with Salix exigua. Phenology: vegetative only.

U.S.A., Colorado, Mineral County: Rio Grande River N of South Fork.
River bank with Salix exigua. Phenology: vegetative only.

U.S.A., Colorado, Larimer County: Rabbit Creek at Weymouth Road (Co.37).
Stream bank with Salix exigua, Salix amygdaloides. Phenology: fruiting.

U.S.A., New Mexico, Rio Arriba County: Between San Miguel and Los Pinos.
Bank of Rio de los Pinos with Salix lasiandra, Salix exigua. Phenology: vegetative only.

U.S.A., Colorado, Douglas County: Between Exit 172 of Interstate 25 and East Plum Creek near Larkspur.
Roadside ditch with Salix fragilis, Salix exigua. Phenology: vegetative only.

U.S.A., Colorado, El Paso County: Monument Creek at Baptist Road, ca 15 mi N of Colorado Springs.
Stream bank with Salix lasiandra caudata, Salix exigua. Phenology: vegetative only.

U.S.A., Colorado, Mesa County: S edge of Mesa.
Roadside ditch with Salix exigua. Phenology: vegetative only.

U.S.A., Colorado, Garfield County: Colorado River at Silt.
Flood plain with Salix exigua, Populus angustifolia. Phenology: vegetative only.

U.S.A., Colorado, Gilpin County: NW edge of Black Hawk.
Stream bank with S. monticola, S. lasiandra caudata, S. drummondiana. Phenology: vegetative only.

U.S.A., Colorado, San Juan County: San Juan National Forest: Archuleta Canyon. In Yellow Jacket pasture.
By stream; wet sandy loam. Phenology: fruiting.
Accession: USFS 445731

U.S.A., Colorado, Rio Blanco County: Between Pieance Creek and Highway 26.
T3S R95W
Streamside. Phenology: vegetative only.

U.S.A., Colorado, Moffat County: Starvation Valley, ca 1/4 mi W of Yampa River.
In running water of creek bed, with Typha and Salix exigua. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: County Road 316 along Sand Creek, ca 14 road mi off U.S. Hwy 287; ca 14 road mi on U.S. 287 from Laramie.
Creekside. Phenology: vegetative only.
with T. McGowan

U.S.A., Wyoming, Natrona County: Laramie Range: along Smith Creek below Otter Creek at the east end of Muddy Mountain on Smith Creek or County Road 607, ca 16 air mi SE of Casper.
Stream bank and thickets along the stream. Phenology: vegetative only.

U.S.A., Wyoming, Albany County: Laramie Range: along Laramie River and adjacent hills, ca 35 air mi NE of Rock River; ca 54 air mi NE of Laramie.
Along the river. Phenology: vegetative only.
with T. McGowan & T. Freeman

U.S.A., Arizona, Apache County: North Fork White River: 34 01 25 N, 109 42 39 W.
Alder in stand also. Soils moist to wet alluvium/colluvium, igneous origin. Phenology: vegetative only.
Annotated by George W. Argus in 1993.

U.S.A., Arizona, Apache County: On delta of an un-named tributary of Little Diamond with its junction with Little Diamond Creek.
Dense patch of willows under alder. Sedge-grass understory. Soils saturated to moist, alluvium, rocky, igneous origin. Salix irrorata, S. bebbiana, S. lucida ssp. lasiandra noted and abundant on this open braided portion of stream. Phenology: fruiting.
Annotated by George W. Argus in 1993.

U.S.A., Arizona, Apache County: North Fork White River: 34 01 03 N, 109 40 19 W.
Sedge/grass understory. Alder dominant riparian tree species. Soils moist, alluvium, igneous origin. Phenology: fruiting.

U.S.A., Arizona, Apache County: Benney Creek; 34 01 47 N, 109 28 03 W.
Willow common on north end of meadow on creek in alder-willow riparian type. Soils dry-moist, moderately deep alluvium igneous origin. Phenology: vegetative only.

U.S.A., Arizona, Navajo County: Apache-Sitgreaves National Forest; Wildcat Point crossing; Black River below.
Stream bottom in Ponderosa pine-mixed conifer association. Phenology: fruiting.
Accession: USFS 446116

U.S.A., Arizona, Coconino County: Coconino National Forest: Macks Crossing on East Clear Creek.
T14N R12E S8
Riparian; Salix-Agrostis type. Phenology: vegetative only.

U.S.A., New Mexico, Lincoln County: Along Rio Bonito 2 mi below Bonito Lake.
Stream bank; with S. irrorata, Populus. Phenology: vegetative only.

U.S.A., New Mexico, Catron County: 1 mi S of Luna along Hy. 180.
Meadow; with S. geyeriana, S. irrorata. Phenology: vegetative only.

U.S.A., Arizona, Apache County: White Mountains: West Fork Little Colorado River; 33 degrees 57.6'N 109 degrees 30.5'W.
Wet bank with S. geyeriana, S. irrorata. Phenology: vegetative only.

U.S.A., Arizona, Greenlee County: East Fork Black River; 33 degrees 46.3'N 109 degrees 21.2'W.
Meadow along stream with S. geyeriana, S. lasiandra. Phenology: vegetative only.

U.S.A., New Mexico, San Juan County: Aztec.
Las Animas river bottom with S. amygdaloides, S. exigua. Phenology: vegetative only.

U.S.A., Colorado, Routt County: Flat Tops/White River Plateau: Williams Fork Mountains: Fish Creek Canyon, ca 19 air mi SW of Steamboat Springs.
Bench above creek.

U.S.A., Colorado, Eagle County: [location and coordinates withheld]
Along the river.
James P. Vanderhorst, 139. 6/3/1990.

U.S.A., Colorado, Eagle County: Flat Tops/White River Plateau: draws of East Sheep Creek drainage, ca 17 air mi NW of Eagle.
Along road.
James P. Vanderhorst, 170b. 6/4/1990.

U.S.A., Colorado, Rio Blanco County: [location and coordinates withheld]
Riverside, with blue spruce, willow, and chokecherry.
James P. Vanderhorst, 2534. 6/9/1991.

U.S.A., Colorado, Routt County: [location and coordinates withheld]
Streamside, and adjacent slopes.

U.S.A., Wyoming, Carbon County: South-central Wyoming: along Muddy Creek and the Overland Trail, ca 6 air mi SW of Bridger Pass, ca 25 air mi SW of Rawlins; ca 31.5 air mi NNE of Baggs.
T17N R90W S2 South1/4
Bench above the creek with Salix-Ribes thickets. Phenology: vegetative only.

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Slump area. Phenology: vegetative only.

U.S.A., Wyoming, Carbon County: South-central Wyoming: north facing slopes and bottom of Garden Gulch, ca 1.5 air mi SW of Cow Creek Butte; ca 33 air mi SSW of Rawlins.
Creek bottom. Phenology: vegetative only.

U.S.A., Wyoming, Sweetwater County: Green River Basin: ridges and flats between Richards Gap and Tepee Mountain, and along Red Creek.
Along drainage with shaley or rocky slopes. Phenology: fruiting.
with Ronald L. Hartman

U.S.A., Wyoming, Platte County: Grayrocks Reservoir.
Shore of reservoir with Populus and Tamarix. Phenology: vegetative only.

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.
Along creek with heavy willow thickets. Phenology: vegetative only.

U.S.A., Colorado, Costilla County: [location and coordinates withheld]
Riparian. Phenology: fruiting.

U.S.A., Colorado, Custer County: [location and coordinates withheld]
By a small pond; pasture. Phenology: fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along middle Ponil Creek 6.2 air mi NE of summit of Baldy Mountain and 15.2 air mi NW of Cimarron.
Moist creek bottoms, with Populus angustifolia, Salix, Alnus incana, Thermopsis, tall dense grass cover. Shrub 3 meters tall on creek bank. Specimen GPS: 36.665981, -105.108482. Phenology: flowering.
Annotated by Ben Legler on 8/20/2009.

U.S.A., Wyoming, Albany County: Laramie Range: north side of Eagle Rock, 1/4 mi S of North Branch Middle Lodgepole Creek, ca 11.5 air mi E of Laramie.
Flooded Populus tremuloides-Carex rostrata-Deschampsia cespitosa swamp forest along small tributary stream; understory of Salix bebbiana, S. geyeriana, and S. eriocephala; soil saturated, highly organic muck. Vegetation cover 100%. Phenology: vegetative only.
with Joe Fortier

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: North Fork area, just NW of North Fork Campground, running NW along Forest Road 101 (Sand Lake Road), ca 1 air mi SE of Clark Park, ca 6 air mi NW of Centennial.
Woods along creek. Phenology: vegetative only.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: South French Creek, just S of Forest Road 236, ca 2 air mi NE of intersection of Forest Road 225 (South French Creek Road) and Forest Road 236, ca 25 air mi SE of Saratoga and 12 air mi W of Centennial.
Wet, slightly wooded area adjacent to ponds. Phenology: vegetative only.

U.S.A., Wyoming, Carbon County: Medicine Bow Mountains: just S of intersection of Forest roads 232 and 210, ca 1 air mi W of Ryan Park; ca 17 air mi SE of Saratoga.
Wet meadow, near creek, heavily grazed by cows; Salix dominated. Phenology: vegetative only.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Lake Creek, E of Forest Road 517 ( Dry Park Road), ca 1 air mi S of Dry Park and 1 air mi N of Lake Mountain; ca 10 air mi S of Centennial.
Wet meadow with some Salix. Phenology: vegetative only.

U.S.A., Wyoming, Albany County: Medicine Bow Mountains: Jelm Creek area, ca 1.5 air mi SE of Chimney Park Camp and ca 5 air mi SW of Woods Landing.
Wooded creek. Phenology: vegetative only.

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountain Valley: NE of De Weese Reservoir.
Fine-grained soil; dominant species: Senecio and Penstemon. Phenology: vegetative only.
with Brian Jacobs and Alex Morgan

U.S.A., Colorado, Chaffee County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 0.7 road mi on County Road 212 from intersection with County Road 210.
By stream and adjacent slopes; dominant species: Artemisia, skunkbrush, pinyon, juniper, and aspen. Phenology: fruiting.
with Brian Jacobs and Alex Morgan

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Raton Mesa: I-25 at confluence of Gallinas and Raton creeks to 1 air mi to N.
Stream side and pinyon-juniper-oak woodland. Phenology: fruiting.

U.S.A., Montana, Cascade County: Lewis and Clark National Forest: Little Belt Mountains: Onion Park, Forest Road 840, between junction with Forest Road 586 and Tenderfoot Creek.
Elev. 2200 m.
Wet meadow, stream flowing northwest; 0-10% slope; scattered Abies lasiocarpa. Phenology: fruiting.

U.S.A., Colorado, Garfield County: Battlement Mesa: along Battlement Creek, ca 12.5 air mi WSW of Rifle.
Streamside riparian corridor. Phenology: fruiting.
Michael K. Kirkpatrick, 816. 5/29/2010.
Accession: USFS 898799, Barcode: USFS0060365

U.S.A., Colorado, Eagle County: USFS-administered "tree farm" along the north shore of the Roaring Fork River, ca 1 air mi WSW of El Jebel.
Riparian wetlands, woodlands, and dry meadows. Phenology: fruiting.
Michael K. Kirkpatrick, 1419. 6/15/2010.

U.S.A., Colorado, Pitkin County: Elk Mountains: White River National Forest: east bank of Crystal River at Redstone Campground, ca 13 air mi S of Carbondale.
Riparian shoreline with gravel bars. Phenology: fruiting.
Michael K. Kirkpatrick, 1529. 6/16/2010.

U.S.A., Colorado, Pitkin County: White River National Forest: Coal Creek and adjacent road (Forest Road 307), ca 2 air mi SE of Coal Basin, ca 14 air mi SSW of Carbondale.
Spring-fed wet meadow. Phenology: fruiting.

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: San Isabel Lake, on Colo Hwy 165 at San Isabel.
Riparian, southern lake edge. Phenology: flowering & fruiting.

U.S.A., Colorado, Custer County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: east ca 4 mi on Forest Road 306, on Colo Hwy 165 N of San Isabel.
Riparian. Phenology: flowering & fruiting.

U.S.A., Colorado, Costilla County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Sangre de Cristo Range: ca 1 mi E of east entrance to Forbes Trinchera Ranch, on U.S. Hwy 160 between LaVeta Pass and Fort Garland.
Riparian and dry rocky slopes. Phenology: flowering & fruiting.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: along Newlin Creek from Florence Mountain Park at Newlin Trailhead on County Road 15, S of Florence.
Picea engelmannii/Pseudotsuga menziesii. Phenology: flowering & fruiting.
with Elizabeth Mark

U.S.A., Colorado, Mesa County: Battlement Mesa: White River National Forest: creek below Bull Basin between waterfall and USFS boundary, ca 1-2 air mi NNW of Housetop Mountain and ca 7 air mi S of Parachute.
Steep south-facing shale and clay slopes and seeps. Phenology: fruiting.

U.S.A., Colorado, Mesa County: Battlement Mesa: White River National Forest: Little Alkali Creek Canyon upstream of confluence with creek leading to Bull Basin, ca 1 air mi NW of Housetop Mountain and 7 air mi E of De Beque.
Riparian corridor through juniper-oak woodland dominated by cottonwood, willow, and cattail. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: Battlement Mesa: White River National Forest: Hells Gulch portion of Alkali Creek, off of Forest Road 816 and County Road 342 (Silt-Collbran Road), ca 3 air mi N of Hightower Mountain and ca 16 air mi S of Silt.
Riparian corridor with willow, narrowleaf cottonwood, mountain shrubs, and scattered spruce. Phenology: flowering & fruiting.

U.S.A., Colorado, Pitkin County: White River National Forest: Perham Creek, between Assignation Ridge and the Crystal River, ca 9 air mi S of Carbondale.
Forested riparian corridor with aspen, spruce, and Douglas-fir. Phenology: fruiting.

U.S.A., Colorado, Eagle County: Gore Range: White River National Forest: McPhee Gulch, ca 4 air mi NE of State Bridge.
Riparian woodland with cottonwood, birch, and willow. Phenology: fruiting.

U.S.A., Wyoming, Carbon County: S of Encampment.
Moist ground near pasture in mixed willow population. Rare. Phenology: flowering.

U.S.A., Colorado, Mesa County: Battlement Mesa: Grand Mesa National Forest: Road Gulch, hillside SE of Mud Hill on Forest Trail 625, ca 15 air mi S of Silt.
Wet area/pond in mountain shrub community. Phenology: fruiting.
1. Salix eriocephala Michx. var. ligulifolia (C. R. Ball) Dorn.

U.S.A., Colorado, Delta County: West Elk Mountains: Gunnison National Forest: Smith Fork, old site of Smith Fork Campground, ca 2.5 road mi E of Needle Rock on Needle Rock Road, ca 13 air mi ESE of Hotchkiss.
Riparian area in mixed mountain shrub community. Phenology: fruiting.
1. Salix eriocephala Michx. var. ligulifolia (C. R. Ball) Dorn.

U.S.A., Colorado, Delta County: North Fork Valley: Gunnison National Forest: Hubbard Creek Trail N of Juanita Junction, ca 8.5 air mi NNW of Paonia.
Below cliff in understory of mixed mountain shrub community. Phenology: vegetative only.
1. Salix eriocephala Michx. var. ligulifolia (C. R. Ball) Dorn.

U.S.A., Colorado, Delta County: North Fork Valley: Gunnison National Forest: Hubbard Creek Trail N of Juanita Junction, ca 8.5 air mi NNW of Paonia.
Below cliff in understory of mixed mountain shrub community. Phenology: fruiting.

U.S.A., Colorado, Ouray County: San Juan Mountains: Uncompahgre National Forest: Bear Creek Trail, trailhead off of U.S. Hwy 550 to Grizzly Bear Mine, ca 1.5 air mi SE of Ouray.
Along small creek in cliffs in aspen/mixed conifer. Phenology: fruiting.

U.S.A., Colorado, Mesa County: Battlement Mesa: White River National Forest: Little Alkali Creek Canyon upstream of confluence with creek leading to Bull Basin, ca 1 air mi NW of Housetop Mountain and 7 air mi E of De Beque.
Riparian corridor through juniper-oak woodland dominated by cottonwood, willow, and cattail. Phenology: flowering & fruiting.
Accession: USFS (unaccessioned), Barcode: USFS0061331

U.S.A., Colorado, Eagle County: Flat Tops/White River Plateau: draws of East Sheep Creek drainage, ca 17 air mi NW of Eagle.
Along road.
James P. Vanderhorst, 170b. 6/4/1990.
Accession: USFS (unaccessioned), Barcode: USFS0061673

U.S.A., Colorado, Montrose County: Twentyfive Mile Mesa: Potter Canyon, end of Roubideau Canyon Road, ca 5.7 road mi SW from junction with Twentyfive Mesa Road, ca 10.5 air mi SW of Delta.
Riparian area in sandstone canyon. Phenology: fruiting.

U.S.A., Colorado, Mesa County: Uncompahgre Plateau: Dominguez Canyon, middle section of trail to Cactus Park Trail junction, ca 20 air mi NNW of Delta.
Riparian area in desert canyon. Phenology: vegetative only.

U.S.A., Colorado, Mesa County: Uncompahgre Plateau: Divide Road: Carson Hole Trailhead to Carson Hole, then NE along Dominguez Creek, ca 29.5 air mi W of Delta.
Riparian area in ponderosa pine. Phenology: fruiting.

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: Spring Creek Canyon from BLM boundary to West Fork Spring Creek, ca 14 air mi SW of Montrose.
Along small creek in oak. Phenology: fruiting.

U.S.A., Colorado, Montrose County: Uncompahgre Plateau: small canyon between Spring Creek and Dave Wood Road, ca 2/3 road mi SW of Dave Wood Road on BLM road, ca 9.5 air mi SW of Montrose.
Along intermittent stream in shallow sandstone canyon. Phenology: vegetative only.

U.S.A., Colorado, Mesa County: Uncompahgre Plateau: Dominguez Canyon: between 3 and 4 trail mi down canyon from Dominguez Campground, ca 23 air mi WSW of Delta.
Small riparian area along seep/creek in pinyon/juniper. Phenology: vegetative only.

U.S.A., Colorado, Mesa County: Battlement Mesa: Grand Mesa National Forest: Brush Creek Trail to Battlement Trail, ca 46 air mi NW of Grand Junction.
Riparian area in aspen. Phenology: vegetative only.

U.S.A., Wyoming, Laramie County: Laramie Range: Belvoir Ranch, ca 15 air mi SW of Cheyenne, along Lone Tree Creek.
Scattered along streambanks in the open. Locally common.

U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Tarryall Mountains: off Forest Road 207, on the banks and slopes above the South Platte River, ca 1/2 road mi N of USFS Happy Meadows Campground; ca 2-1/2 air mi N of town of Lake George.
Along the banks of the river. Phenology: fruiting.
Annotated by ver. Robert Dorn.

U.S.A., Colorado, Douglas County: East-central Colorado: Mosquito Range to Plains: Rampart Range: off Colo Hwy 67 along Horse Creek, ca 1/2 air mi SE of Deckers; ca 20.1 air mi NNW of Woodland Park.
Roadside, along the creek. Phenology: fruiting.
Annotated by ver. Robert Dorn.

U.S.A., Colorado, Douglas County: East-central Colorado: Mosquito Range to Plains: Rampart Range: along West Creek and adjacent slopes to W, off Colo Hwy 67 ca 4.5 air mi SE of Deckers.
Along the banks of the creek.

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 a deeply eroded, moderately shaded rocky wash with a small running stream. Phenology: vegetative only.