Salix melanopsis (1996)
SALICACEAE
Salix melanopsis Nutt.
U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: along Clocktower Creek, ca 6-7 air mi W of Wapiti.
Stream bottom and adjacent slopes. Phenology: fruiting.
Accession: USFS 852237, Barcode: USFS0036290

Salix melanopsis (1996)
SALICACEAE
Salix melanopsis Nutt.
U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Clearwater Creek and drainage, ca 27 air mi W of Cody.
Stream bottom and forest. Phenology: fruiting.
David Rosenthal, 69. 7/24/1996.
Accession: USFS 852238, Barcode: USFS0036291

Salix melanopsis (1988)
SALICACEAE
Salix melanopsis Nutt.
U.S.A., Wyoming, Park County: Southwestern Absarokas: junction of Cabin Creek, South Fork Shoshone River and vicinity, ca 45 air mi SW of Cody.
Mixed Picea-Pinus flexilis-Juniperus forest on rocky volcanics.
Annotations:
1. Salix melanopsis Nutt.
Annotated by Robert D. Dorn.
Accession: (unaccessioned)

U.S.A., Wyoming, Park County: Northern Absaroka Area: Shoshone National Forest: Northern Absaroka Wilderness: Dead Indian Creek Trail, ca 21 air mi NW of Cody.
Elev. 6700 ft.
Moist area in and around sandy stream banks with Equisetum, Salix, Juncus, and Carex. Phenology: vegetative only.
Accession: USFS 856851, Barcode: USFS0039628

U.S.A., Wyoming, Park County: Northern Absaroka Area: along trail and slopes of Sweetwater Creek from bridge at Wapiti Campground, ca 30 air mi W of Cody on U.S. Hwy 14, 16, & 20, up trail towards springs.
Elev. 6000 ft.
Riparian woodland. Phenology: fruiting.
with Cathy Binger

U.S.A., Wyoming, Park County: Northern Absaroka Area: Ishawooa Creek Pack Trail.
North exposure in Douglas fir forest and adjacent creek shoulder. Phenology: fruiting.
with Jim Fowler

U.S.A., Wyoming, Park County: Northern Absaroka Area: Cabin Creek.
Stream bottom and adjacent hills. Phenology: fruiting.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Bobcat Creek Trail.
Sagebrush slope and streamside. Phenology: fruiting.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Buffalo Bill Reservoir, ca 10 air mi ESE of Wapiti.
Elev. 5500 ft.
Area of water fluxuation and roadside. Phenology: fruiting.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Rock Creek and South Fork Road, ca 17 air mi SW of Cedar Mountain summit.
Disturbed areas and under cottonwoods. Phenology: fruiting.

U.S.A., Wyoming, Park County: Northern Absaroka Area: Legg Creek area along the South Fork Shoshone River, South Fork Road, ca 1.8 air mi SW of Hunter Creek Road turnoff.
Along gravel bars and low areas along the river and bench areas and disturbed areas. Phenology: vegetative only.

U.S.A., Wyoming, Park County: Absaroka Mountains: Shoshone National Forest: Jack Creek Trailhead and Campground, ca 26 mi W of Meeteetse.
Riparian area along creek with Populus balsamifera, Salix bebbiana, and Elaeagnus commutata. Phenology: fruiting.
Accession: RM 912483, Barcode: RM0065578

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along North Fork Shoshone River between Camp Monaco and Torrent Creek, ca 10-11 mi NNE of U.S. Hwy 14, 16, & 20.
In open areas and on gravel bars.
Accession: RM 725349, Barcode: RM0064027

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: Clearwater Creek, ca 8-9 mi N of U.S. Hwy 14, 16, & 20.
In wet areas along creek.
Accession: 725906, Barcode: RM0064025

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: Clearwater Creek, ca 8-9 mi N of U.S. Hwy 14, 16, & 20.
In wet areas along creek.
Accession: 725910, Barcode: RM0064024

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along small stream, just N of U.S. Hwy 14, 16, & 20, ca 0.5 mi E of the mouth of Canfield Creek.
Wet soil along stream bottom.
Accession: 726027, Barcode: RM0064026

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Eagle Creek, ca 1/4-1/2 mi S of U.S. Hwy 14, 16, & 20.
Mostly open riparian areas on west side of creek.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along north side of North Fork Shoshone River, ca 1/4 mi E of Chimney Rock.
Riparian community and gravel bars along river.
Accession: (unaccessioned)

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along Turret Creek (a tributary of Sweetwater Creek) ca 6 mi N of U.S. Hwy 14, 16, & 20.
In wet gravelly soil in riparian community dominated by Alnus incana. Phenology: fruiting.
Accession: RM 732243

U.S.A., Wyoming, Park County: [location and coordinates withheld]
In riparian community dominated by Salix spp. and Alnus incana var. occidentalis. Phenology: fruiting.
Accession: RM 753673

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: ca 1/4 mi E of Pahaska along North Fork Shoshone River.
Riparian area adjacent to river in wet soil and on sand and gravel bars. Phenology: vegetative only.
Accession: RM 752604, Barcode: RM0064035

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Moss Creek, ca 1/2 mi N of U.S. Hwy 14, 16, & 20.
Moist-wet gravel bar/streamside dominated by Alnus incana ssp. tenuifolia and Salix bebbii. Phenology: vegetative only.

U.S.A., Wyoming, Park County: Southeastern Absarokas: northeast end of Carter Mountain, ca 1/4-1/2 mi N of North Meeteetse Creek in first north-south trending gulch W of Meeteetse Creek confluence, ca 20 mi WNW of Meeteetse.
Steep, rocky creek bottom dominated by Salix drummondiana, S. boothii, and Arnica longifolia. Phenology: vegetative only.
Accession: RM 751799

U.S.A., Montana, Gallatin County: Gallatin Range foothills: along the south side of Squaw Creek, 1/4 mi E of Rat Lake Road, 20 mi SW of Bozeman.
Spruce-fir forest with Linnaea borealis, Equisetum arvense, Vaccinium scoparium, and Streptopus amplexifolius. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Area: upper Gros Ventre River Road, ca 1.5 air mi SE of Goosewing Guard Station.
Sagebrush slopes and area along river. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Area: Crystal Creek Campground (overflow), ca 4 air mi E of upper end of Lower Slide Lake.
Grassy meadows, disturbed areas, and edge of river. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Area: Granite Creek Hot Springs, N along trail and creek ca 1 air mile.
Coniferous forests, meadows, and streamside. Phenology: vegetative only.

U.S.A., Wyoming, Sublette County: Gros Ventre Area: ca 5 air mi NW of Bondurant.
Along river. Phenology: vegetative only.
with Stuart Markow

U.S.A., Wyoming, Lincoln County: Salt River Range: Salt River Drainage: along Swift Creek N of Lower Reservoir, ca 1 air mi E of Afton.
Along the stream in canyon bottom. Bark greenish-gray. Phenology: flowering.

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gros Ventre River Road, ca 2 air mi E of Forest boundary; just W to overlooking Lower Slide Lake, on the north side.
Moist stream banks, aspen groves, and ridge tops. Phenology: flowering.
Accession: (unaccessioned)

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains: Warren Wagon Road (Forest Hwy 21) at crossing of Copet Creek, ca 9 air mi N of McCall.
Roadside and woodland. Phenology: fruiting.
Annotations:
1. Salix melanopsis Nutt.
Annotated by ver. Robert D. Dorn.
Accession: RM (unaccessioned)

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains Area: Jacobs Ladder Flat by Forest Road 340, ca 3.5 air mi SSW of Big Creek; ca 11 air mi NE of Yellow Pine.
Dominated by Artemisia tridentata and Potentilla fruticosa; many dry stream channels filled with cobbles. Phenology: vegetative only.
Annotations:
1. Salix melanopsis Nutt.
Annotated by ver. Robert D. Dorn.
Accession: RM (unaccessioned)

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Salmon River Mountains Area: Jacobs Ladder Flat by Forest Road 340, ca 3.5 air mi SSW of Big Creek; ca 11 air mi NE of Yellow Pine.
Dominated by Artemisia tridentata and Potentilla fruticosa; many dry stream channels filled with cobbles. Phenology: fruiting.
Annotated by ver. Robert D. Dorn.
Accession: RM (unaccessioned)

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Frank Church-River of No Return Wilderness: Big Creek Trail to Beaver Creek Trail, ca 3 air mi NW of Big Creek; ca 17 air mi NW of Yellow Pine.
Mixed conifer/Pseudotsuga menziesii overstory, mostly south-facing slopes/trailside. Phenology: fruiting.
with Denise L. Fairbanks

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Frank Church-River of No Return Wilderness: Monumental Creek Trail to Roosevelt Lake, ca 15.5 air mi E of Yellow Pine; ca 13.5 air mi SE of Big Creek.
Lakeside; lake surrounded by moose sign. Phenology: vegetative only.
with Denise L. Fairbanks

U.S.A., Colorado, Routt County: Sierra Madre\Park Range: Park Range: Routt National Forest: In canyon along Rock Creek, ca 16.5 air mi SE of Yampa, ca 4 air mi NNE of McCoy.
Creek banks and low bench.
with Michelle Nelson

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: ca 13.5 air mi N of Cokeville; Sublette Range at Raymond Creek.
Creek bottom with birch, chokecherry, Cornus, and willow thickets. Phenology: vegetative only.
with Jane T. Kellett

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 18 air mi WSW of Meeteetse, West Fork Timber Creek, ca 1 mi W of the Timber Creek Ranger Station.
Riparian, lower Montane; creek banks and adjacent wet areas.
Robert S. Kirkpatrick, 3604. 7/5/1984.

U.S.A., Oregon, Wallowa County: Wallowa Range: Wallowa-Whitman National Forest: east side of Hurricane Creek Trail, ca 2 air mi S of Hurricane Creek Trail parking area, ca 8 air mi SW of Joseph.
T3S R44E S22
Willow thicket with Salix spp., Prunus, Alnus. Phenology: vegetative only.

U.S.A., Oregon, Umatilla County: Blue Mountains: Umatilla National Forest: south side of Camas Creek, 200 yds E of confluence with Lane Creek.
T4N R33E S30
Riparian with Alnus incana, Phalaris arundinacea, Equisetum arvense. Phenology: flowering & fruiting.

U.S.A., Oregon, Grant County: Blue Mountains: Umatilla National Forest: east side of Olive Lake, ca 9 air mi SW of Granite.
T9S R34E S
Lake side with Salix eriocephala var. monochroma, S. lasiandra var. caudata, S. melanopsis. Phenology: vegetative only.
with Alison Kelly

U.S.A., Wyoming, Teton County: John D. Rockefeller Parkway: north side of Snake River, ca 1/4 air mi S of Flagg Ranch on east side of U.S. Hwy 89/191/287.
Streamside vegetation with Salix spp. Phenology: flowering & fruiting.
with Biota staff

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: ca 3 mi SW of Weiser Knoll; ca 15 air mi SSE of Lander.
Rocky meadow on limestone. Phenology: fruiting.

U.S.A., Colorado, Hinsdale County: Southern Gunnison Basin: San Juan Mountains: along County Road 20 and Henson Creek, ca 0.6 road mi from intersection of Bluff Street in Lake City; ca 3.1 air mi SE of Crystal Peak; 3 air mi N of Red Mountain.
Streambank; brushy canyon bottom with Salix and cottonwoods. Phenology: flowering.
with B. E. Nelson

U.S.A., Wyoming, Teton County: Mount Leidy Highland Area: Gros Ventre River Road, ca 2 air mi E of Forest boundary, just W to overlooking Lower Slide Lake, on the north side.
Moist stream banks, aspen groves, and ridge tops. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Canyon of the Snake River.
43.1822° N, 110.9619° W; NAD 83, uncertainty 3 mi., Digital Map
Rocky river bank. Shrubs to 5 ft high; stems dark reddish-brown. with introgression from S. exigua var. exigua Phenology: vegetative only.
with Marjorie W. Porter

U.S.A., Wyoming, Teton County: Grand Teton National Park: along Pacific Creek near Moran.
43.8507° N, 110.5177° W; NAD 83, uncertainty 1 mi., Digital Map
Gravel flats. Tufted shrubs to 12 ft high, browsed by elk. Phenology: fruiting.
with Marjorie W. Porter

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: South Fork Owl Creek.
Gravel bars, forested points, willows, and seeps in riparian area.
with Mabel Jones

U.S.A., Wyoming, Sweetwater County: Bitter Creek.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Yellowstone National Park: Soda Butte Creek.
On the stony river bottom. In small clumps; 3-4 feet high. Phenology: fruiting.
with Elias Nelson

Salix melanopsis Salix exigua ssp. exigua (1900)
Salix melanopsis Nutt. Salix exigua Nutt. ssp. exigua
U.S.A., Wyoming, Albany County: Sand Creek.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Range: Swamp Lake in Clarks Fork Yellowstone Valley, ca 34 air mi NW of Cody.
Above margin of small slough. Phenology: flowering & fruiting.
with S.Laursen

U.S.A., Wyoming, Lincoln County: Wyoming National Forest: forks of Greys River.
5% west slope; sandy soil; browse willows, Calamagrostis; along creeks. Low forage; 8 ft high. Phenology: fruiting.
Charles H. McDonald, 621. 6/16/1926.

U.S.A., Wyoming, Teton County: Jacksons Hole: Gros Ventre River.
River banks. *exigua Phenology: fruiting.
with E. N. Wilcox

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along west side of Elk Fork Creek, ca 1.5 mi S of U.S. Hwy 14, 16, & 20.
Exposed gravel bars with some Salix lasiandra, Populus balsamifera, and Juiperus scopulorum. Phenology: flowering.
3. Salix fluviatilis Nutt.
Annotated by Robert D. Dorn in 1997.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along the south side of North Fork Shoshone River opposite Three Mile Campground.
Open, wet, riparian area dominated by Carex and Salix species. Phenology: flowering & fruiting.
3. Salix fluviatilis Nutt.
Annotated by Robert D. Dorn in 1997.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along the south side of North Fork Shoshone River, ca 1/8 mi W of the mouth of Mormon Creek.
Open, partially forested gravelbar with some Pinus contorta var. latifolia. Phenology: flowering & fruiting.
3. Salix fluviatilis Nutt.
Annotated by Robert D. Dorn in 1997.

U.S.A., Wyoming, Park County: Southwestern Absaroka Mountains: Deer Creek Canyon, ca 3.5 mi W of canyon mouth; ca 46 mi SW of Cody.
Moist-dry alluvium along creek, prominent species include Crepis elegans, Epilobium latifolium, and Salix melanopsis.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along Middle Creek at Pahaska Campground.
Phenology: fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along east side of North Fork Shoshone River, ca 1/4 mi NE of Pahaska.
Wet soil in willow-alder riparian community. Phenology: fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along North Fork Shoshone River, at mouth of Gunbarrel Creek, ca 35 mi W of Cody.
Willow-alder riparian community. Phenology: fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Big Creek, ca 8 mi N of U.S. Hwy 14, 16, & 20.
In open seepage area. Phenology: fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along Middle Creek, immediately W of the confluence with North Fork Shoshone River at Pahaska Campground.
In mixed coniferous forest of Pinus contorta and Pseudotsuga menziesii. Phenology: vegetative only.

U.S.A., Wyoming, Sublette County: Green River at junction of U.S. Hwy 189 and 187.
Along irrigation ditch near river. Shrub 10 feet high. Phenology: fruiting.

U.S.A., Wyoming, Park County: Shoshone National Forest: North Fork Shoshone River Valley: south side of North Fork Shoshone River, E of Big Game Campground, 27 1/4 air mi W of Cody.
Streamside bar with sandy and gravelly alluvium; Salix exigua community with Lupinus polyphyllus. Phenology: flowering & fruiting.
with S. Gottschlich and R. Bechtloff

U.S.A., Wyoming, Park County: Shoshone National Forest: North Fork Shoshone River Valley; north side of Middle Creek, ca 25 m above confluence of North Fork Shoshone River and Middle Creek; ca 44.6 air mi W of Cody.
Streamside shrub community with Salix farriae and S. boothii; sandy alluvium. Phenology: flowering & fruiting.
Gillian Walford, 717. 7/8/1993.
with S. Gottschlich and R. Bechtloff

U.S.A., Wyoming, Teton County: Teton National Forest: Gros Ventre River.
Level slope; gravelly moist soil. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Teton National Forest: Gros Ventre River.
Level slope; gravelly moist soil. Phenology: flowering.

U.S.A., Wyoming, Park County: Absaroka Range: North Fork Shoshone River Valley: south bank of river E of Big Game Campground, 27 1/4 air mi W of Cody.
Salix exigua streamside bar community on sandy and gravelly alluvium. FS-02-14-04-93-NC-001 Phenology: fruiting.

U.S.A., Wyoming, Teton County: Jackson Hole Wildlife Park: Moose Island in the Snake River.
43.8609° N, 110.5485° W; NAD 83, uncertainty 0.75 mi., Digital Map
Shrub 6-12 ft tall. *Mildred S. Reed* Phenology: vegetative only.

U.S.A., Wyoming, Teton County: Jackson Hole Wildlife Park: Pacific Creek.
43.8507° N, 110.5177° W; NAD 83, uncertainty 1 mi., Digital Map
Along the creek. Phenology: flowering.
with Mildred S. Reed

U.S.A., Wyoming, Teton County: Jackson Hole Wildlife Park: Pacific Creek.
Along creek. Phenology: flowering.
with Mildred S. Reed

U.S.A., Wyoming, Teton County: Jackson Hole Wildlife Park: Pacific Creek.
Along the creek. Phenology: fruiting.
with Mildred S. Reed

Along creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre River: ca 15 mi E of the slide.
Gravel bar in the river. Phenology: vegetative only.
4. Salix fluviatilis auct. non Nutt.
1.
Annotated by Carleton R. Ball.

U.S.A., Wyoming, Teton County: Teton National Forest: Hoback Canyon.
Phenology: vegetative only.
4. Salix fluviatilis auct. non Nutt.
1.
Annotated by Carleton R. Ball.

U.S.A., Wyoming, Sublette County: Bridger National Forest: near Bondurant.
Along the river. Phenology: vegetative only.
4. Salix fluviatilis auct. non Nutt.
1.
Annotated by Carleton R. Ball in 1997.

U.S.A., Wyoming, Sublette County: New Fork River, S of Pinedale.
Flood plain. A shrub about 15 ft tall. Phenology: vegetative only.

On a gravel bar in the bed of the creek. Shrub 6-10 ft tall. Phenology: vegetative only.

Bench. Phenology: vegetative only.

U.S.A., Wyoming, Teton County: Vicinity of Hoback Canyon: old pole bridge, south side canyon..
43.3128° N, 110.667° W; NAD 83, uncertainty 0.75 mi., Digital Map
River bank. Phenology: flowering & fruiting.
with Rua P. Williams

U.S.A., Wyoming, Uinta County: 1 mi S of Lonetree.
Creek bank. Tree 10-15 ft high, bark grey. Phenology: flowering.

U.S.A., Wyoming, Teton County: Teton Park: between Jackson Lake Dam and Biological Research Station.
43.8658° N, 110.5884° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
River bank with S. rigida. Shrub 1.5 m high; tagged plant. *1246a Phenology: flowering.

U.S.A., Wyoming, Teton County: Teton Park: between Jackson Lake Dam and Biological Research Station.
43.8658° N, 110.5884° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
River bank with S. rigida. Shrub 1.5 m high; tagged plant. *1246 Phenology: vegetative only.

U.S.A., Wyoming, Teton County: Teton Park: Snake River just above Biological research Station.
43.8658° N, 110.5683° W; NAD 83, uncertainty .5 mi., Nat. Geog. TOPO!
River bank with S. lasiandra, S. rigida. Shrub 1.5m high. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Pacific Creek.
Stream bank with S. lasiandra, S. boothii. Shrub 5 m high. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Little Greys River, 10.3 road mi above mouth.
Rocky flood plain with S. boothii, S. drummondiana. Shrub 1m high. Phenology: vegetative only.

U.S.A., Wyoming, Lincoln County: Little Greys River, 10.3 road mi above mouth.
Rocky flood plain with S. boothii, S. drummondiana. Shrub 1m high, branchlets from same plant. Phenology: vegetative only.

U.S.A., Wyoming, Lincoln County: Salt Creek, ca 1 mi E of Allred Flat.
High bank of stream with Chrysothamnus and Rosa. Shrub 2m high. Phenology: vegetative only.

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Lower Slide Lake.
Growing with Salix spp. and Alnus incana; along shoreline. Common. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Gros Ventre Canyon.
Growing with Salix sp. and Rorippa sp..; along river. Common. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Gros Ventre Canyon.
Growing with Salix and Apocynum on slope along meadow. Common. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Game and Fish East Fork Winter Range: East Fork Unit: Bear Creek, ca 10.5 air mi NE of Dubois.
Uncommon in sandy gravel on southeast facing slope (1-3%) of riparian habitat, dominants include Populus angustifolia, Betula, and Picea. Phenology: flowering.
William A. Gerhart, 152. 6/1/1981.

U.S.A., Wyoming, Park County: Near Pahaska on U.S. Hwy 20 along edge of the North Fork Shoshone River.
Riparian with alder-willow and Pinus contorta on the slightly higher areas, and open hillsides with grasses, Penstemon, Antennaria and Eriophyllum. Phenology: fruiting.
with K. Hess and Erwin Evert

U.S.A., Wyoming, Teton County: Gros Ventre Mountains: Big Horse Creek Valley, ca 5 air mi NE of Hoback Junction.
Open canopy coarse gravel bank on south shore of creek at edge of willow thicket. Dominant willow species. Phenology: vegetative only.

U.S.A., Wyoming, Sublette County: Southeast Wyoming Range: Big Fall Creek, near headwater springs in area of braided stream valley.
Wetland corridor with islands of willow carrs on slightly raised, drier travertine sites; with Salix eastwoodiae. Phenology: vegetative only.
with Jane Struttmann

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Range: banks of Sweetwater Creek on W side of Forest Road 423, ca 2 road mi NNW of Wapiti Campground & U.S. Hwy 14, 16, & 20.
Black volcanic gravel on banks of creek; community of Salix lasiandra, S. eriocephala var. watsonii, and Alnus with understory of Bromus. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Jackson Hole: wetland on west bank of Flat Creek just NE of large spring on flats at base of north-south ridge N of Jackson Nat'l Fish Hatchery below confluence of Flat Creek and outflow from Gros Ventre River via the aqueduct E of Peterson Springs.*
Sandy-gravel bar along bank of creek; vegetative cover ca 20-25%; with Poa pratensis, Equisetum variegatum, Alopecurus aequalis, and Agrostis stolonifera. Shrub to 3 ft tall. ***SW1/4 SE1/4 NE1/4 and NW1/4 NE1/4 SE1/4 S2. Phenology: vegetative only.

U.S.A., Wyoming, Teton County: Teton Park: between Jackson Lake Dam and Biological Research Station.
River bank with S. rigida. *1246a Phenology: flowering.

River bank with S. rigida. *1246 Phenology: vegetative only.

U.S.A., Wyoming, Teton County: Teton Park: Snake River just above Biological research Station.
River bank with S. lasiandra, S. rigida. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Pacific Creek.
Stream bank with S. lasiandra, S. boothii. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Little Greys River, 10.3 road mi above mouth.
Rocky flood plain with S. boothii, S. drummondiana. Phenology: vegetative only.

Rocky flood plain with S. boothii, S. drummondiana. Phenology: vegetative only.

U.S.A., Wyoming, Lincoln County: Ca 1 mi E of Allred Flat.
High bank of stream with Chrysothamnus and Rosa. Phenology: vegetative only.

U.S.A., Colorado, Jackson County: North-central Colorado: North Park: along Colo Hwy 125 just N of the Canadian River, ca 1/3 mi N of Cowdrey; ca 9.5 air mi N of Walden.
In overflow channel. Phenology: vegetative only.
Annotated by Robert D. Dorn.

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: on Pilgrim Creek, ca 10.5 air mi NNW of Moran; ca 24 air mi NNE of Moose.
Cobble and gravel bar with intergraded sand and silt alluvial deposits. Phenology: fruiting.
Annotated by David Scott.
with Klara Varga

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: Gros Ventre River near Gros Ventre Junction, ca 6.5 air mi N of Jackson; ca 6 air mi S of Moose.
Elev. 1950 m.
Sagebrush valley bottom with scattered cottonwoods along river and irrigation ditches. Phenology: flowering.
Annotated by David Scott.

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: U.S. Hwy 26/89/191, S of Gros Ventre River.
Bottom land with Populus angustifolia. Phenology: fruiting.
Annotated by David Scott.

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: near Pilgrim Creek, ca 7 air mi NW of Moran; ca 20.5 air mi NE of Moose.
Populus balsamifera and Alnus sp. riparian corridor with occasional gravel and sand bar. Phenology: fruiting.
with Tacheeni Scott

U.S.A., Wyoming, Teton County: Bridger-Teton National Forest: Teton Wilderness: near North Fork Rodent Creek, ca 17.5 air mi N of Moran; ca 31.5 air mi NNE of Moose.
Scoured streambed with sand and gravel bars. Phenology: fruiting.
with Tacheeni Scott

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: on west shore of Jackson Lake, ca 15 air mi NW of Moran; ca 23.5 air mi N of Moose.
Willow dominated, seasonally flooded bottomland adjacent lake. Phenology: fruiting.
with Klara Varga

U.S.A., Wyoming, Park County: Southwestern Absarokas: vicinity of South Fork Station, ca 45 air mi SW of Cody.
Mixed Artemisia-Salix.
Annotated by Robert D. Dorn.

U.S.A., Wyoming, Park County: Southwestern Absarokas: junction of Cabin Creek, South Fork Shoshone River and vicinity, ca 45 air mi SW of Cody.
Mixed Picea-Pinus flexilis-Juniperus forest on rocky volcanics.

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Teton Wilderness: vicinity of packbridge crossing North Buffalo Fork, ca 7 mi NW of Togwotee Pass.
Open lodgepole forest along river.

U.S.A., Wyoming, Park County: Southwestern Absarokas: Teton Wilderness: junction of Castle Creek and Yellowstone River to Thunder Creek.
44.046° N, 110.006° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Along sandbars and banks of river.

U.S.A., Wyoming, Park County: Southwestern Absarokas: Teton Wilderness: junction of Castle Creek and Yellowstone River to Thunder Creek.
Picea-Pinus forest.

U.S.A., Wyoming, Park County: Southwestern Absarokas: Houlihan Creek drainage, ca 29 air mi SW of Cody.
Pseudotsuga forest.

U.S.A., Wyoming, Teton County: Southwestern Absarokas: Bridger-Teton National Forest: along Pacific Creek, ca 5 air mi NE of Moran Junction, ca 35 air mi NE of Jackson.
Forests, meadows and gravel bars along creek.

U.S.A., Wyoming, Park County: Southwestern Absarokas: Teton Wilderness: along North Fork Butte Creek, W of Thorofare Buttes, ca 45 air mi SW of Cody.
Gravel bars along creek.

U.S.A., Colorado, Jackson County: Arapaho National Forest: Denver Creek Campground on Colo Hwy 125.
Lodgepole Pine zone. On gravel bars along stream. Phenology: flowering & fruiting.
with Marjorie W. Porter

U.S.A., Colorado, Summit County: Arapaho National Forest: Ryan Gulch, W of Dillan Dam.
Along stream bank in cobblestone. Phenology: flowering.
Annotated by Harley A. Orahood in 1997.
Harley A. Orahood, s.n.. 6/26/1961.
Accession: USFS 446711

U.S.A., Colorado, Routt County: Near Milner.
Phenology: vegetative only.
Annotated by C. L. Porter in 1997.

U.S.A., Colorado, Pitkin County: Along Highway 133 and Crystal River at Gunnison County line.
Roadside ditch with Salix exigua, Salix monticola. Phenology: flowering.

U.S.A., Colorado, Park County: S edge of Fairplay, Middle Fork of South Platte River at Highway 285-9.
River bank with Salix monticola, Salix drummondiana. Phenology: flowering.

U.S.A., Colorado, Lake County: Along Arkansas River S of Leadville 0.6 mi N of Chaffee County.
River bank with Salix monticola, Salix geyeriana. Phenology: flowering & fruiting.

U.S.A., Colorado, Summit County: Blue River ca 8 road mi above Green Mountain Reservoir.
River bank with Salix Drummondiana, Salix lasiandra caudata. Phenology: flowering.

U.S.A., Colorado, Summit County: Blue River near mouth of Rock Creek.
River bank with Salix Drummondiana, Salix monticola. Phenology: flowering.

U.S.A., Colorado, Summit County: Blue River at Silverthorne.
River bank with Salix lasiandra caudata, Salix monticola. Phenology: flowering & fruiting.

U.S.A., Colorado, Lake County: Arkansas River ca 5 air mi S of Leadville.
River bank with Salix planifolia, Salix boothii. Phenology: flowering & fruiting.

U.S.A., Colorado, Lake County: Arkansas River at County Road 55 ca 8 air mi S of Leadville.
River bank with Salix monticola. Phenology: flowering & fruiting.

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

U.S.A., Colorado, Chaffee County: Arkansas River ca 0.2 mi S of Lake County line.
Gravel bar with Salix boothii. Phenology: flowering & fruiting.

U.S.A., Colorado, Chaffee County: Arkansas River at mouth of Clear Creek.
River bank with Salix lasiandra caudata, Salix monticola. Phenology: flowering.

U.S.A., Colorado, Chaffee County: Arkansas River at mouth of Clear Creek.
Flood plain with Salix lasiandra caudata, Salix monticola. Phenology: flowering & fruiting.

U.S.A., Colorado, Summit County: Blue River at Silverthorne.
River bank with Salix drummondiana, Salix monticola. Phenology: flowering.

U.S.A., Colorado, Hinsdale County: Lake City.
Ditch bank with Salix monticola, Populus angustifolia. Phenology: vegetative only.

U.S.A., Colorado, Gunnison County: Below McClure Pass, E slope.
Roadside with Prunus, Amelanchier. 39 degree 06.467'N 107 degree 16.073'W Phenology: flowering.

U.S.A., Colorado, Garfield County: Just N of Trappers Lake.
Edge of swamp with Salix drummondiana. Phenology: vegetative only.

U.S.A., Colorado, Chaffee County: Cochetopa National Forest: hillside to south forks Trout and Castlerock Creeks.
Sparse on gentle west slope in gravelly loam and along creek with grasses and weeds. Phenology: vegetative only.
Stanley A. Mahan, SAM-2. 8/22/1942.
Accession: USFS 445323

U.S.A., Wyoming, Lincoln County: Southern Salt River Range and Vicinity: Tunp Range: Pine Creek, ca 6 air mi ENE of Cokeville.
Limestone outcrop and derivatives. Cercocarpus ledifolius community. Phenology: flowering.

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: Coal Creek Trail, ca 9 air mi SE of Victor, Idaho.
Coniferous forest bordering creek, dominated by Abies lasiocarpa, Pseudotsuga menziesii, Sorbus, and Salix. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: Fox Creek, just E of National Forest boundary, ca 4.5 air mi NE of Victor, Idaho.
Coniferous forest adjacent to riparian, dominated by Abies lasiocarpa, Pseudotsuga menziesii, and Cornus stolonifera. Phenology: fruiting.

U.S.A., Wyoming, Teton County: Targhee National Forest: West Slope Teton Range: Moose Creek Trail.
Coniferous forest dominated by Abies lasiocarpa and Picea pungens, and adjacent riparian. Phenology: vegetative only.

U.S.A., Oregon, Umatilla County: [location and coordinates withheld]
In Salix- Rhamnus-Alnus- maple shade close to creek on steep bank slope; soil rock boulders to fine, deep; slope 20; aspect riparian. Phenology: vegetative only.

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Desolation Meadows, along Forest Road 10 and 1010.
Deep shade of spruce along creek; soil deep, organic; slope 0; aspect none. Phenology: vegetative only.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Caribou Range: along Jensen Creek, ca 5 air mi N of Auburn, ca 11 air mi NW of Afton.
Willow thickets along small stream. Phenology: vegetative only.
with Russ Nelson

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Blind Bull Lake, ca 21.3 air mi NE of Afton.
Along stream banks. Phenology: vegetative only.
with Russ Nelson

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Stump Lake, ca 12 air mi SE of Alpine Junction.
Spruce-fir forest surrounding lake and stream. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: Poison Hollow, ca 7 air mi E of Alpine Junction.
Steep, treeless, south facing, barren slopes with Douglas fir, Picea, and aspen scattered about. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Wyoming Range: N of Moose Flat, ca 19.5 air mi SE of Alpine Junction.
Rock outcrop ridge and associated valley with Pinus flexilis, Populus tremuloides, and Pinus contorta. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Prater Canyon, ca 19 air mi N of Afton.
Canyon bottom and lower slopes with narrowleaf cottonwood, Douglas fir, willow below, and Douglas fir, subalpine fir, and Salix scouleriana on higher slopes; substrate of limestone. Phenology: flowering.
with Bruce Embury

U.S.A., Wyoming, Lincoln County: [location and coordinates withheld]
Grassy streamside, rocky flats, and willow thickets. Phenology: fruiting.
with Bruce Embury

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: Pine Creek, ca 6 air mi ENE of Cokeville.
Limestone outcrop and derivatives. Cercocarpus ledifolius community. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: overlooking the Hams Fork just N of Bridger-Teton National Forest's southern boundary, ca 12 air mi NE of Cokeville.
Streamside, open slopes and adjacent aspen and coniferous forests. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Wyoming/Salt River Ranges: Salt River Range: South end of Deadline Ridge, ca 3 air mi NW of Viola.
Rocky slopes and ridges. Phenology: vegetative only.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: Hobble Creek from Sams Creek to Coantag Creek, ca 20 air mi NNE of Cokeville.
Stream bottom and lower slopes. Phenology: vegetative only.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: Hobble Creek from Sams Creek to Coantag Creek, ca 20 air mi NNE of Cokeville.
Stream bottom and lower slopes. Phenology: fruiting.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Tunp Range: Hobble Creek from Sams Creek to Coantag Creek, ca 20 air mi NNE of Cokeville.
Stream bottom and lower slopes. Phenology: flowering.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Indian Ridge, east flank: Bear Trap Creek, ca 0.5-1 trail mile from Fontenelle Creek.
Stream side and lower slopes. Phenology: vegetative only.

U.S.A., Wyoming, Lincoln County: Wyoming/Salt River Ranges: Salt River Range: Spring Lake Creek trail from divide to western end of Lake Alice.
Rock slides, coniferous forests and shoreline. Phenology: vegetative only.

U.S.A., Wyoming, Fremont County: Southeastern Absarokas: Badland Gulch (or Byrd Draw) on the southeast end of Table Mountain, ca 5 air mi ENE of Dubois.
Bottom and slopes of gully. Phenology: flowering.

U.S.A., Wyoming, Park County: Northern Absarokas: Dead Indian Creek at Dead Indian Meadows, ca 4.5 air mi W of Pat O'Hara Peak, ca 22 air mi WNW of Cody.
Wet mossy bottom with scattered spruce. Phenology: vegetative only.

U.S.A., Oregon, Umatilla County: Umatilla National Forest and Vicinity: Skyline Road (Forest Road 31) near Forest Road 155, ca 14 mi N of La Grande.
Partial shade along roadside; soil deep disturbed; slope 0-10; aspect southerly. Phenology: vegetative only.

U.S.A., Wyoming, Park County: Southwestern Absarokas: Deer Creek ca 0.5 mi above South Fork Shoshone River, ca 38.5 air mi SW of Cody.
Cobblestone stream channel and banks.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: in Tensleep Canyon on an old section of U.S. Hwy 16, ca 11 air mi NE of Ten Sleep.
Brushy canyon. Phenology: vegetative only.
with Gael Fonken

U.S.A., Wyoming, Teton County: Southwestern Absaroka: Soda Fork drainage; ca 18 mi ENE of Moran Junction.
Alluvial flats immediately adjacent to the creek, with Pinus contorta and Fragaria virginiana. Phenology: vegetative only.

U.S.A., Wyoming, Hot Springs County: Absaroka Mountains: ca 39 mi WNW of Thermopolis on North Fork of Owl Creek.
River banks. Phenology: flowering & fruiting.
Robert S. Kirkpatrick, 169. 6/23/1983.
with B. E. Nelson

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 8.5 mi NE of Dubois, below Black Mountain along Wiggins Fork River.
Riparian woodland - lower montane, bordered with Picea pungens and Populus; sand and gravel bars. Phenology: fruiting.
Robert S. Kirkpatrick, 2795. 6/21/1984.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 18 air mi WSW of Meeteetse, West Fork Timber Creek, ca 1 mi W of the Timber Creek Ranger Station.
Riparian, lower Montane; creek banks and adjacent wet areas. Phenology: fruiting.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 18 air mi NE of Dubois, along Bear Creek, 2 mi E to SE of Kent Mountain, in the vicinity of Bear Basin.
Riparian, lower montane; sand and gravel bars. Phenology: fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 22 air mi W of Meeteetse, along the North Fork Pickett Creek.
Riparian, montane - subalpine, with scattered Picea engelmannii; wet areas. Phenology: fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: along South Fork Shoshone River ca 5 air mi S of South Fork Ranger Station.
Limber pine and Douglas fir forest with patches of sage grassland. Phenology: fruiting.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Park County: Absaroka Mountains: ca 33 air mi SW of Cody, at the junction of Boulder Creek and Little Boulder Creek.
Creek banks and adjacent wet areas with Douglas fir and cottonwoods. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 17 air mi NW of Dubois, along East Fork Du Noir Creek, ca 9 road mi N of U.S. Hwy 26/287.
Douglas fir/spruce forests and adjacent creek banks on Madison limestone. Phenology: fruiting.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Fremont County: Absaroka Mountains: ca 10.5 air mi NE of Dubois, along Bear Creek in the vicinity of the East Fork Elk Winter Pasture Headquarters.
River bottoms and adjacent areas. Phenology: fruiting.
with Ruth E. B. Kirkpatrick

U.S.A., Wyoming, Park County: Southwestern Absarokas: Deer Creek trail, 2-5 trail mi W of trailhead on South Fork Road.
Slopes, drainages, and stream bottoms in mostly douglas fir forests with volcanic substrates.
with Neil Snow

U.S.A., Oregon, Grant County: Umatilla National Forest and Vicinity: Desolation Creek, ca 9 mi S and 8 mi E of Dale.
Riparian area, spruce, grand fir dominant in organic to fine, deep, and powdery soil; slope 0-15; aspect none. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: West Slope Wind River Range: adjacent to Forest Road 30410 and Cottonwood Creek, ca 26 air mi E of Jackson.
Sandy gravel creek bank. Phenology: fruiting.

U.S.A., Colorado, Rio Blanco County: North Fork White River.
River bank, with S. boothii, S drummondiana. Shrub 3 m high. Phenology: cones.

U.S.A., Montana, Park County: Gallatin Range: Gallatin National Forest: along Big Creek or Forest Road 2500, ca 31 air mi SW of Livingston.
Stream bank. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Gallatin Range: Gallatin National Forest: just off Forest Road 62 by Window Rock Cabin, ca 15.5 air mi SSE of Bozeman.
Open meadow dominated by forbs and stream bank with beaver ponds. Phenology: fruiting.
with Ken Elliott

U.S.A., Montana, Lewis and Clark County: Lewis and Clark National Forest: Front Range: along South Fork Sun River at campground, ca 1 air mi N of the junction of South Fork Sun River with Wood Creek.
Elev. 1614 m.
47.5028° N, 112.8886° W; NAD 83, uncertainty 0.25 mi., GPS reading
Riparian zone along river; Picea engelmannii/Populus tremuloides/Pseudotsuga menziesii; sandstone/limestone bedrock. Phenology: fruiting.
1. Salix melanopsis Nutt..

U.S.A., Montana, Park County: Gallatin Range: Gallatin National Forest: along Forest Road 2500 and Big Creek at intersection with Hylite Creek, ca 29 air mi SW of Livingston.
Shaded riparian area and boggy area along creek. Phenology: flowering.
with Brian Elliott

U.S.A., Wyoming, Teton County: Yellowstone Plateau: Yellowstone National Park: along the east shore of Shoshone Lake, ca 2.5 mi SSE of the mouth of DeLacy Creek.
Gravel berm on beach with Rubus idaeus, Fragaria virginiana, Smilacina stellata, and Juniperus communis var. depressa. Leaves glaucous below. Acc. No. YELLO-0030, YELLO 9152 Phenology: vegetative only.

U.S.A., Idaho, Custer County: Challis National Forest: Lost River Range: gorge of Upper Cedar Creek, 7 air mi N of Mackay.
Sandy or gravelly soil in mesic woody riparian vegetation; 23° slope, SSE aspect; dolostone geology. Population is dominant throughout the area. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: Beartooth National Forest: Rock Creek District: Rock Creek Ranger Station.
South slope; shallow clay loam soil; with Salix, Alnus, Lepargyraea, Rosa, juniper. Abundant. Phenology: vegetative only.
Accession: USFS 445575

U.S.A., Montana, Mineral County: West Fork Fish Creek: Clearwater Crossing Ranger Station.
Phenology: vegetative only.

U.S.A., Montana: Glacier National Park: inlet of St. Marys Lake.
On sand beach. Shrub above 2m; leaves pubescent. Phenology: flowering & fruiting.

U.S.A., Montana: Glacier National Park: Divide Lake.
with Ruth Maguire, C. B. Maguire

U.S.A., Montana: Glacier National Park: near mouth of Ole Creek, on N branch Flathead River.
with Ruth Maguire, C. B. Maguire

U.S.A., Montana: Glacier National Park: Middle Fork Flathead River at Nyack.
Gravel bars. Phenology: flowering & fruiting.
with Ruth Maguire, C. B. Maguire

U.S.A., Montana, Mineral County: Near Cabin City, 5 mi E of Idaho Montana line on Highway 10.
Stream bank. Phenology: vegetative only.

U.S.A., Montana, Powell County: Blackfoot River, ca 8 mi W of Lincoln on Ovando Road.
Gravel bars. Shrubs ca 8 feet tall. Phenology: flowering & fruiting.
with C. V. Muhlick

U.S.A., Montana, Powell County: Flathead National Forest: mouth of Bartett Creek.
T20N R13W S8
Flat ground; deep, gravelly loam soil; small meadow in timber. Common. Phenology: flowering & fruiting.

U.S.A., Montana, Flathead County: Flathead National Forest: Cyclone Creek.
T34N R21W S16
Flat ground; deep peat soil; mountain meadow. Common. Phenology: flowering & fruiting.

U.S.A., Montana, Ravalli County: Bitterroot National Forest.
T2N R17W S16
10% SW slope; shallow silt and gravel soil; stream edged by brush and timber. Occasionally found. Phenology: flowering & fruiting.

U.S.A., Montana, Missoula County: Lolo National Forest: Lolo Hot Springs, 50 yards SE of plunge.
Flat ground; peat soil; in brush. Common; 3-4 feet high. Phenology: flowering & fruiting.

U.S.A., Montana, Sanders County: Cabinet National Forest: west side Bull River below East Fork.
Flat ground; deep black muck soil in brush. Common. Phenology: flowering.

U.S.A., Montana, Sanders County: Cabinet National Forest: west side Bull River below East Fork.
Flat ground; deep black muck soil; open brush. Common. Phenology: flowering & fruiting.

U.S.A., Montana, Missoula County: Swan Range: ephemeral pond above Necklace Lakes.
In dried mud; with Carex lenticularis, Equisetum variagatum. Common. Phenology: flowering & fruiting.
with P. Kittelson

U.S.A., Montana, Carbon County: Custer National Forest boundary: Rock Creek, ca 7.5 road mi above Red Lodge.
Stream bank with S. boothii, S. bebbiana. Shrub 1m high. Phenology: vegetative only.

U.S.A., Montana, Mineral County: Near head of St. Regis River, 1 mi SW of Lookout Pass.
Stream bank with S. sitchensis, S. lasiandra caudata. Shrub 2m high. Phenology: flowering & fruiting.

U.S.A., Montana, Mineral County: Near head of St. Regis River, 1 mi SW of Lookout Pass.
Stream bank with S. sitchensis, Alnus. Phenology: flowering & fruiting.

U.S.A., Montana, Sweet Grass County: East Fork Boulder River.
River bank with S. pseudomonticola, S. boothii. Phenology: flowering & fruiting.

U.S.A., Montana, Mineral County: Near head of St. Regis River, 1 mi SW of Lookout Pass.
Stream bank with S. sitchensis, S. lasiandra caudata. Shrub 1m high. Phenology: flowering & fruiting.

U.S.A., Montana, Mineral County: Clark Fork River, ca 2 mi W of Alberton.
River bank with S. exigua, Populus. Shrub 2m high. Phenology: flowering & fruiting.

U.S.A., Montana, Mineral County: Saint Regis River at Haugan ca 2 mi W of De Borgia.
River bank with Salix sitchensis, S. eriocephala mackenzieana. Shrub 2m high, leaves glaucescent. Phenology: flowering & fruiting.

Stream bank with S. sitchensis, S. lasiandra caudata. Shrub 3m high. Phenology: flowering & fruiting.

Stream bank with S. sitchensis, Alnus. Shrub 3m high. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Squaw Creek Canyon.
Stream bank with S. boothii, S. drummondiana. Shrub 2m high. Phenology: flowering & fruiting.

U.S.A., Montana, Lincoln County: Fisher River SSE of Libby.
Flood plain with S. sitchensis var. s., S. eriocephala v. mackenzieana. Shrub 2m high. Phenology: flowering & fruiting.

U.S.A., Montana, Flathead County: Glacier National Park: E side of North Fork Flathead River at Round Prairie.
Sand bar shore with Populus trichocarpa. Phenology: flowering & fruiting.

U.S.A., Montana, Flathead County: West side of North Fork Flathead River, 1/2 mi below confluence with Coal Creek.
Banks of side channels; with Populus tremuloides, Cornus stolonifera. Common. Phenology: flowering & fruiting.

U.S.A., Montana, Flathead County: Glacier National Park: North Fork Flathead River just below Polebridge Ranger Station.
River bank with Salix eriocephala, Populus trichocarpa. Common. Phenology: flowering & fruiting.

U.S.A., Montana, Lewis and Clark County: Helena National Forest: Big Blackfoot River, near Lincoln.
Level ground; deep gravel and sand, little loam soil; woodland. Common. Phenology: flowering & fruiting.

U.S.A., Montana, Teton County: Lewis and Clark National Forest: North Fork Teton River, 200 mi W of Chateau.
Flat ground; rocky soil; in brush. Common. Phenology: flowering & fruiting.

U.S.A., Montana, Flathead County: Flathead National Forest: Lower Swan River Valley.
Moist bogs. Present in patches. Phenology: vegetative only.

U.S.A., Montana, Powell County: Helena National Forest: 1 mi E of Elliston on Hwy 10
Flat ground; deep gravelly soil; open brush vegetation. Common. Phenology: flowering & fruiting.

U.S.A., Montana: Lolo National Forest: Big Cedars Campground at Brushy Fork.
T37N R14E S23
Flat ground; waters edge; stony humus soil; in timber. Common; leaves unusually hairy beneath. Phenology: flowering & fruiting.

U.S.A., Montana, Ravalli County: Bitterroot National Forest: Ross Hole near Carl Wetzsteons.
Flat ground; open brush. Common. Phenology: flowering & fruiting.

U.S.A., Montana, Ravalli County: Bitterroot National Forest: Ross Hole near Carl Wetzsteons.
Flat ground; deep alluvial humus. Common. Phenology: flowering.

U.S.A., Montana, Mineral County: Cabinet National Forest: Taft.
Flat ground; deep black muck soil; in brush. Common. Phenology: flowering & fruiting.

U.S.A., Montana, Mineral County: Cabinet National Forest: 4 mi W of Taft.
Flat ground; deep alluvial soil; in brush. Common. Phenology: flowering & fruiting.

U.S.A., Montana, Beaverhead County: Beaverhead National Forest: Hwy 36 and Big Hole River, 3/4 mi NW of Wisdom.
T2S R15W S34
Flat ground; deep black muck soil; swamp along river. Not common. Phenology: vegetative only.

U.S.A., Montana, Beaverhead County: Beaverhead National Forest: Hwy 36 and Big Hole River, 3/4 mi NW of Wisdom.
T2S R15W S34
Flat ground; deep black muck soil. Common. Phenology: flowering & fruiting.

U.S.A., Montana, Mineral County: Cabinet National Forest: Yellowstone Trail between Lookout and Taft.
Flat ground; deep alluvial soil; open brush. Common. Phenology: flowering & fruiting.

U.S.A., Montana: Glacier National Park: junction tributary 16, Upper Park Creek.
Under spruce. Phenology: flowering & fruiting.

U.S.A., Montana: Glacier National Park: Lake McDonald: mouth of Fish Creek.

U.S.A., Montana: Glacier National Park: Lake Josephine.
  .

U.S.A., Montana, Ravalli County: Bitterroot National Forest: 1.5 miles up Warm Springs Creek.
Flat ground; boggy soil. Abundant. Phenology: flowering & fruiting.

U.S.A., Montana: Summit.

U.S.A., Montana: Summit.
Collector's name difficult to read. Phenology: flowering & fruiting.

U.S.A., Montana, Glacier County: Midvale (now East Glacier Park).
Creeks. Phenology: flowering & fruiting.

U.S.A., Montana: Milwaukee R. R. bridge S of Butte.
Near stream. Plant 5 feet high, sincle clump. Phenology: vegetative only.

Salix melanopsis hybrid (1999)
Salix melanopsis Nutt. hybrid
U.S.A., Montana, Flathead County: Lower terrrace along the Middle Fork Flathead River, ca 1/4 mi E of old YCC camp.
With Populus trichocarpa and Apocynum androsaemifolium. Phenology: flowering.
2. Salix melanopsis Nutt. hybrid

U.S.A., Montana, Madison County: Tobacco Root Mountains: South Willow Creek drainage.
45° 36.6' N, 111° 53.3' W; unknown, , Specimen Label
Stream bank, with Salix boothii, S. bebbiana, and S. planifolia. Shrub 1 m high. Phenology: flowering.

U.S.A., Nevada, Humboldt County: Santas Rosa Range: Dutch John Creek.
Stream bank, with Salix eriocephala var. watsonii. Shrub 3 m high. Phenology: fruiting.

U.S.A., Utah, Rich County: Canyon SE of Laketown.
Stream bank, with Prunus virginiana. Shrub 5 m high. Phenology: vegetative only.

U.S.A., Oregon, Baker County: Between Fish Lake and Twin Lakes.
Rocky stream bank, with Salix drummondiana. Shrub 2 m high, leaves glaucescent. Phenology: flowering.

U.S.A., Oregon, Baker County: Junction Forest roads 39 and 66.
Rocky stream bank, with Salix eriocephala. Shrub 2 m high, leave glaucescent. Phenology: vegetative only.

U.S.A., Idaho, Custer County: Challis National Forest: Lost River Range: valley of Bear Creek below Methodist Gulch, 8.4 air mi NE of Mackay.
Well developed soil in hydric woody riparian vegetation; 9° slope, NNE aspect; silty, sandy limestone geology. 1-25 individuals apparent. Phenology: vegetative only.

U.S.A., Idaho, Custer County: Challis National Forest: Lost River Range: road crossing of Long Lost Creek W of Point 10382, 12.8 air mi NNE of Mackay.
Sandy or gravelly soil in hydric herbaceous riparian vegetation; 3° slope, WNW aspect; alluvial geology. Population is dominant throughout the area. Phenology: vegetative only.
with Wendy Irwin

U.S.A, Idaho, Custer County: Challis National Forest: White Knob Mountains: north bank of the East Fork Big Lost River, near the Castle Creek confluence, 19.3 air mi W of Mackay.
T7N R21E S32
<25 plants estimated in mesic coarse textured soil within woody riparian vegetation, no slope, trachyandesite geology. Phenology: flowering & fruiting.

U.S.A, Idaho, Custer County: Big Lost River Valley: northwest edge of Mackay Reservoir, W of Battleground Cemetary, 6.6 air mi NW of Mackay.
25-75 plants estimated in mesic soil within a wetland area, 1 degree slope, S aspect. 25-75 plants estimated. Phenology: flowering.

U.S.A., Wyoming, Uinta County: [location and coordinates withheld]
Willows, gravelly river rock. Phenology: vegetative only.
with Larry Refsdal

U.S.A., Wyoming, Lincoln County: [location and coordinates withheld]
Dry irrigation ditch, sandy soils. Phenology: vegetative only.

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Ashley National Forest: Big Springs, ca 5.8 air mi SSW of Manila; ca 5.3 road mi south on Forest Road 218 on both sides of the road.
Creekside, willows, scattered junipers. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: Bridger National Forest: along the [Hoback] river near Bondurant.
Along the river. A shrub ca 6 ft tall. Phenology: vegetative only.

Salix cf. melanopsis (1925)
Salix cf. melanopsis Nutt.
U.S.A., Wyoming, Big Horn County: Big Horn National Forest: Paintrock Basin near North Fork Bridge.
Slope watergrade west; gravelly soil; brush, creek bottom, edge of Engelmann spruce. Very scarce; high for browse; not plentiful enough to determine. Phenology: vegetative only.

U.S.A., Idaho, Clearwater County: Clearwater Mountains: Aquarius Campground along the North Fork Clearwater River, ca 25 air mi NNE of Pierce.
Riparian Thuja forest. Phenology: fruiting.
with Crista L O'Conner

U.S.A., Utah, Daggett County: North Slope Uinta Mountains: Ashley National Forest: Burnt Creek, ca 10.8 air mi SSE of Manila; south side of Utah Hwy 44.
Creekside, conifer forest. Phenology: flowering & fruiting.
with S. Goodrich

Salix melanopsis var. gracilipes (1931)
Salix melanopsis Nutt. var. gracilipes C. R. Ball
U.S.A., California, Del Norte County: Smith River at Roosevelt Highway Bridge.
Elev. 15 m.
In gravelly bank. Frequent. Phenology: fruiting.
Type Specimen: Paratype for Salix melanopsis Nutt. var. gracilipes C. R. Ball. Proc. Natl. Acad. Sci. U.S.A. 21: 182. 1935.
2. Salix melanopsis Nutt. var. gracilipes C. R. Ball
Annotated by Robert D. Dorn in 1995. Paratype.
1. Salix melanopsis Nutt. var. gracilipes C. R. Ball var. nov.
Annotated by Carleton R. Ball.
with Joseph P. Tracy

Salix melanopsis var. gracilipes (1931)
Salix melanopsis Nutt. var. gracilipes C. R. Ball
U.S.A., California, Del Norte County: Smith River at Roosevelt Highway Bridge.
In gravelly bank. Frequent. Phenology: fruiting.
Type Specimen: Isolectotype for Salix melanopsis Nutt. var. gracilipes C. R. Ball. Proc. Nat. Acad. Sci. U.S.A. 21: 182. 1935. Cited as a syntype by Ball in the original description.
3. Salix melanopsis Nutt. var. gracilipes C. R. Ball
Annotated by Robert D. Dorn in 1996. Isolectotype.
2. Salix melanopsis Nutt. var. gracilipes C. R. Ball
Annotated by Robert D. Dorn in 1995. Isosyntype.
1. Salix melanopsis Nutt. var. gracilipes C. R. Ball var. nov.
Annotated by Carleton R. Ball. Pistillate type collection.
with Joseph P. Tracy

Salix melanopsis var. gracilipes (1931)
Salix melanopsis Nutt. var. gracilipes C. R. Ball
U.S.A., California, Del Norte County: Near Smith River below Gasquets.
On creek bank. Low shrub, 2-3 m high, abundant. Phenology: flowering.
Type Specimen: Isosyntype for Salix melanopsis Nutt. var. gracilipes C. R. Ball. Proc. Nat. Acad. Sci.(U.S.A.) 21: 182. 1935.
Annotated by Robert D. Dorn in 1995. Isosyntype.
1. Salix melanopsis Nutt. var. gracilipes C. R. Ball var. nov.
Annotated by Carleton R. Ball. Staminate type collection.
with Joseph P. Tracy

U.S.A., California, Del Norte County: Smith River at Roosevelt Hwy Bridge.
On gravel bars. Phenology: flowering.
Type Specimen: Paratype for Salix melanopsis Nutt. var. gracilipes C. R. Ball. Proc. Nat. Acad. Sci. U.S.A. 21: 182. 1935.
Annotated by Robert D. Dorn in 1991. Paratype.

U.S.A., California, Del Norte County: Smith River at Roosevelt Hwy Bridge.
In gravelly bank. Frequent. Amenst slender, lax. Phenology: flowering.
Type Specimen: Paratype for Salix melanopsis Nutt. var. gracilipes C. R. Ball. Proc. Nat. Acad. Sci. U.S.A. 21: 182. 1935.
Annotated by Robert D. Dorn in 1991. Paratype.

U.S.A., California, Del Norte County: Smith River at Roosevelt Hwy Bridge.
On gravel bars. Low shrub, 1-1.5 m high, common. Phenology: flowering.
Type Specimen: Paratype for Salix melanopsis Nutt. var. gracilipes C. R. Ball. Proc. Nat. Acad. Sci. U.S.A. 21: 182. 1935.

Salix melanopsis var. kronkheitii (1947)
Salix melanopsis Nutt. var. kronkheitii Kelso
U.S.A., Colorado, Summit County: Wildwood Station.
Banks of stream. Phenology: flowering & fruiting.
Type Specimen: Paratype for Salix melanopsis Nutt. var. kronkheitii Kelso. Biol. Leafl. no. 48: 1, phot. 1950.
3. Salix melanopsis Nutt. var. kronkheitii Kelso
Annotated by Robert D. Dorn in 1996. Paratype. Lectotype 1998.
1. Salix melanopsis Nutt. var. kronkheitii Kelso.

Salix melanopsis var. kronkheitii (1946)
Salix melanopsis Nutt. var. kronkheitii Kelso
U.S.A., Colorado, Summit County: Wildwood.
Creek bank. Phenology: vegetative only.
Type Specimen: Paratype for Salix melanopsis Nutt. var. kronkheitii Kelso. Biol. Leafl. no. 48: 1, phot. 1950.
3. Salix melanopsis Nutt. var. kronkheitii Kelso
1. Salix melanopsis Nutt. var. kronkheitii Kelso.
with E. H. Kelso