Salix fragilis (1995)
SALICACEAE
Salix fragilis L.
U.S.A., Montana, Sweet Grass County: [location and coordinates withheld]
Elev. 3800 ft.
Disturbed, weedy riparian area and field with Bromus tectorum, Medicago lupulina, and Poa pratensis. Phenology: vegetative only.
Accession: RM 783774, Barcode: RM0103578

Salix fragilis (1999)
SALICACEAE
Salix fragilis L.
U.S.A., Montana, Stillwater County: Along Whitebird Creek, ca 10 mi S of Columbus.
Elev. 4100 ft.
Moist draw along creek with Toxicodendron rydbergii, Populus tremuloides, Prunus virginiana var. melanocarpa and Asperugo procumbens. Phenology: vegetative only.
Accession: RM 822393, Barcode: RM0014373

Salix fragilis (2003)
SALICACEAE
Salix fragilis L.
U.S.A., Colorado, Rio Grande County: Eastern San Juan Mountains: Rio Grande National Forest: South Fork Guard Station, ca 1.5 air mi SW of South Fork.
Elev. 8350 ft.
Along stream in ponderosa pine, spruce and aspen forest. Phenology: vegetative only.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Albany County: Laramie: City Park.
Phenology: vegetative only.
Accession: RM 4047, Barcode: RM0266312

Salix fragilis Salix alba (1983)
Salix fragilis L. Salix alba L.
U.S.A., Wyoming, Big Horn County: 1.5 mi S of Kane.
Riparian bottom to clay flat in mostly Salix cover class. Phenology: vegetative only.

Salix fragilis Salix alba (1971)
Salix fragilis L. Salix alba L.
U.S.A., Wyoming, Teton County: Old townsite just NE of Jackson Lake Dam.
43.8611° N, 110.583° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!
Disturbed area with Populus, Caragana. Tree 5m high; tagged plant. *sheet Phenology: flowering.

Salix fragilis Salix alba (1971)
Salix fragilis L. Salix alba L.
U.S.A., Wyoming, Teton County: Old townsite just NE of Jackson Lake Dam.
43.8611° N, 110.583° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!
Disturbed area with Populus, Caragana. Tree 5m high; tagged plant. *sheet Phenology: vegetative only.
Annotations:
2. Salix fragilis L. × Salix alba L.
Annotated by Robert D. Dorn in 1993.
Accession: RM 290898

U.S.A., Wyoming, Laramie County: Crow Creek, southeast edge of Warren Air Force Base.
Stream bank with S. amygdaloides and S. exigua. Tree 12 inches DBH. Phenology: vegetative only.

U.S.A., Wyoming, Converse County: Ca 3 mi NW of Douglas.
Stream bank with Medicago, Bromus. Tree 8m high. Phenology: vegetative only.

U.S.A., Wyoming, Goshen County: 4 mi E of Torrington.
Ditch bank with Lappula, Descurainia. Branchlets brittle; tree 18 inches DBH, leaves glaucous. Phenology: vegetative only.

U.S.A., Wyoming, Big Horn County: 3 mi NE of Lovell, Shoshone River bottoms.
Bottom lands with S. exigua, S. eriocephala watsonii. Tree 6 inches DBH, leaves glaucous. Phenology: vegetative only.

U.S.A., Wyoming, Sheridan County: Tongue River at Dayton. N edge
River bank with S. exigua, Populus, Acer. Tree 8 inches DBH, leaves glaucous. Phenology: vegetative only.

U.S.A., Wyoming, Weston County: Newcastle.
Ditch bank with Populus, Elaeagnus angustifolia. Tree 8 inches DBH, leaves glaucous. Phenology: vegetative only.

U.S.A., Wyoming, Natrona County: North Platte River at Evansville.
Riverbank with S. exigua, Elaeagnus angustifolia. Tree 14 inches DBH, leaves glaucous. Phenology: vegetative only.

U.S.A., Wyoming, Carbon County: 1 mi NE of Baggs.
Ditch bank with S. amygdaloides, S. exigua. Tree 14 inches; DBH, leaves glaucous, branchlets brittle. Phenology: vegetative only.

U.S.A., Wyoming, Laramie County: 3 mi E of Cheyenne, Crow Creek.
Bank of creek with S. amygdaloides, S. exigua. Tree 14 inches DBH, leaves glaucous, branchlets brittle. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Cheyenne.
Cuttings taken 4 January 2002 from 14 inch DBH tree grown in city park associated with S. amygdaloides, cuttings grown in greenhouse until 4 April 2002. Phenology: vegetative only. Cultivated.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Teton County: Jackson.
Cultivated in park. Phenology: vegetative only. Cultivated.
Accession: RM 288751

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Snake River 2-5 mi N of Blakes Junction.
Rocky volcanics, roadsides, and steep slopes with sagebrush and perennial grasses, and riparian areas. Phenology: vegetative only.
Annotations:
1. Salix fragilis L.
Annotated by ver. Robert D. Dorn.
with Joy Handley
Accession: RM (unaccessioned)

U.S.A., Colorado, Larimer County: Riparian Plants of the Cache la Poudre River: ca 5 mi up canyon from Masonville.
T7N R70W S30
Streambank.

U.S.A., Colorado, Larimer County: Riparian Plants of the Cache la Poudre River: Buckhorn Canyon, ca 5 mi up canyon from Masonville.
T7N R70W S30
Streambank.

U.S.A., Oregon, Umatilla County: City of Pendleton: east side of Umatilla River, ca 200 yds E of Main Street Bridge.
T2N R32E S10
Streamside with Prunus virginiana, Clematis ligusticifolia, Salix exigua, Rosa sp. Phenology: vegetative only.
Accession: (unaccessioned)

U.S.A., Oregon, Umatilla County: City of Pendleton, south side of Umatilla River, ca 200 yds E of Main Street Bridge.
T2N R32E S10
Streamside with Prunus virginiana, Salix exigua, Clematis ligusticifolius and Rosa sp. Phenology: flowering.
Accession: (unaccessioned)

U.S.A., Idaho, Oneida County: Cache National Forest: creek near Malad.
Common on 5% south slope in deep sandy loam on creek banks. Phenology: fruiting.
Annotations:
Annotated by Robert D. Dorn in 1993.
Arnold R. Standing, 40. 5/17/1923.
Accession: USFS 445348

U.S.A., Idaho, Twin Falls County: Bureau Plant Industry at Twin Falls.
Phenology: buds.
Annotated by Robert D. Dorn in 1993.
1.
Annotated by E. L. Little in 1993.
Accession: USFS 445693

U.S.A., Idaho, Twn Falls County: Bureau Plant Industry at Twin Falls.
Phenology: flowering & fruiting.
1.
Annotated by E. L. Little in 1993.
Accession: USFS 445694

Salix fragilis Salix alba ? (1996)
Salix fragilis L. Salix alba L. ?
U.S.A., Idaho, Bingham County: Blackfoot.
River bank with S. exigua and S. amygdaloides. Phenology: vegetative only.
Accession: RM 613016

U.S.A., Washington, Pend Oreille County: Tacoma Creek at Hwy 20.
Edge of swamp with Crataegus. Phenology: vegetative only.

U.S.A., Idaho, Shoshone County: Along Pine Creek at Pinehurst.
Roadside ditch with Philadelphus, Populus. Phenology: vegetative only.

U.S.A., Oregon, Klamath County: Klamath River crossing at Hwy 97 ca 3 mi S of Klamath Falls.
Along the backwaters of Klamath River with S. exigua hindsiana. Phenology: vegetative only.

U.S.A., Washington, Okanogan County: Salmon Creek at Conconully between Conconully Reservoir and Lake.
Stream bank with S. lasiandra, S. eriocephala mackenzieana. Phenology: vegetative only.

U.S.A., Idaho, Franklin County: Birch Creek Rd. above town of Mink Creek.
Edge of swamp with Typha. Phenology: vegetative only.

U.S.A., Idaho, Madison County: Ca 2.5 mi SW of Teton. 43 52.2'N 111 42.2'W.
Ditch bank with S. exigua. Phenology: vegetative only.

U.S.A., Idaho, Bonneville County: Ca 7 mi NNE of Idaho Falls, 43 36.7'N 111 59.0'W.
Ditch bank with Elaeagnus angustifolia. Phenology: fruiting.

U.S.A., Washington, Grant County: Park Lake, 47 35.0'N 119 25.2'W.
Shore of Park Lake, with Salix amygdaloides. Phenology: flowering & fruiting.

U.S.A., Washington, Columbia County: Touchet River at Dayton.
River bank with S. exigua, S. eriocephala var. monochroma. Phenology: vegetative only.

U.S.A., Washington, Columbia County: Tucannon River ca 14 mi E of Dayton. 46 19.6'N 117 40.4'W.
Stream bank, with Populus and Alnus. Phenology: vegetative only.

U.S.A., Washington, Asotin County: Near junction Mountail Road & Linville Ridge Road, 46 20.8'N 117 35.5'W.
Roadside ditch with Bromus. Phenology: flowering & fruiting.

U.S.A., Oregon, Wallowa County: Wallowa River below Wallowa,. 45 36.7'N 117 37.8'W.
River bank with S. exigua and S. eriocephala. Phenology: vegetative only.

U.S.A., Oregon, Harney County: Ca 5 mi N of Burns,. 43 39.6'N 118 59.9'W.
Ditch bank with Elymus. Phenology: vegetative only.

U.S.A., Idaho, Owyhee County: Northwest corner of county along Idaho Hwy. 95. 43 18.7'N 116 58.8'W.
Stream bank with S. exigua and S. amygdaloides. Phenology: vegetative only.

U.S.A., Idaho, Boise County: Boise Mountains, 43 53.2'N 116 01.6'W.
Stream bank, with S. geyeriana and S. lasiolepis. Phenology: vegetative only.

U.S.A., Idaho, Minidoka County: West bank of Snake River at Hwy 25. 42 35.0'N 113 37.7'W.
River bank with S. exigua and S. amygdaloides. Phenology: vegetative only.

U.S.A., Idaho, Bannock County: Just S of Inkom. 42 47.3'N 112 14.2'W.
Roadside ditch with S. amygdaloides and S. exigua. Phenology: vegetative only.

U.S.A., Idaho, Bear Lake County: West edge of Ovid.
Edge of swamp with Typha and Scirpus. Phenology: vegetative only.

U.S.A., Idaho, Power County: West bank Portneuf River at Bannock County along I-86. 42 54.8'N 112 31.3'W.
River bank with S. exigua. Phenology: vegetative only.

U.S.A., Idaho, Caribou County: Soda Springs. 42 39.0' N 111 36.2'W.
Stream banks. Phenology: vegetative only.

U.S.A., Oregon, Umatilla County: City of Pendleton, south side of Umatilla River, ca 200 yds E of Main Street Bridge.
Streamside with Prunus virginiana, S. exigua, Clematis ligusticifolius and Rosa sp. Phenology: fruiting.

U.S.A., Idaho, Boundary County: Sand Point, street in the Kanisku Forest.
Flat slope on gravelly loam. Shade tree on street. Phenology: flowering.

U.S.A., Wyoming, Platte County: Ca 5 mi N of Wheatland.
42.1278° N, 104.9361° W; NAD 83, uncertainty 1 mi., Digital Map
Introduced. Trees to 30 ft high, with branches to near the base; leaves very glaucous below; stems yellow. Phenology: vegetative only.
with B. F. Miller

U.S.A., Wyoming, Albany County: Laramie, University of Wyoming Campus across from Campus Shop.
41.3123° N, 105.5798° W; NAD 83, uncertainty 0.25 mi., Digital Map
Cultivated. Trees to 40 ft high. Phenology: vegetative only. Cultivated.

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Anton Chico Grant: 5 air mi ENE of Villanueva. N35.2365 W105.2558 to NE 0.5 air mi along Pecos River.
River bottom, mostly juniper with Russian olive and narrowleaf cottonwood. Phenology: vegetative only.

U.S.A., Wyoming, Goshen County: Southeastern Plains: Goshen Hole: Fort Laramie National Historic Site: Fort grounds ca 1.8 air mi WSW of Fort Laramie (town).
Fort grounds on silt loam, slope 0%; disturbed habitat; associated species are Saponaria officinalis planted at base, Bouteloua gracilis. Uncommon, planted. Phenology: vegetative only. Cultivated.

U.S.A., Wyoming, Lincoln County: Star Valley, 4 mi N of Etna, along U.S. Hwy 89. 43 05'38"N, 111 01'23"W.
Forming a grove along a ditch. Phenology: flowering.
with Patricia K. Holmgren

U.S.A., Wyoming, Teton County: Old townsite just NE of Jackson Lake Dam.
43.8611° N, 110.583° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!
Disturbed area with Populus, Caragana. *sheet Phenology: flowering.

Disturbed area with Populus, Caragana. *sheet Phenology: vegetative only.

U.S.A., Wyoming, Laramie County: Crow Creek, southeast edge of Warren Air Force Base.
Stream bank with S. amygdaloides and S. exigua. Phenology: vegetative only.

U.S.A., Wyoming, Converse County: Ca 3 mi NW of Douglas.
Stream bank with Medicago, Bromus. Phenology: vegetative only.

U.S.A., Wyoming, Goshen County: 4 mi E of Torrington.
Ditch bank with Lappula, Descurainia. Phenology: vegetative only.

U.S.A., Wyoming, Big Horn County: Lucerne.
Ditch bank with Elaeagnus and Bromus. Tree 12m high. Phenology: vegetative only.

U.S.A., Wyoming, Fremont County: Hudson.
Roadside ditch with Sarcobatus and Bromus. Tree 6 inches DBH. Phenology: vegetative only.

U.S.A., Wyoming, Lincoln County: 2 mi N of Etna.
Ditchbank with Bromus and Dactylis. Tree 6m high, leaves glaucous. Phenology: vegetative only.

U.S.A., Wyoming, Big Horn County: 3 mi NE of Lovell, Shoshone River bottoms.
Bottom lands with S. exigua, S. eriocephala watsonii. Phenology: vegetative only.

U.S.A., Wyoming, Sheridan County: Tongue River at Dayton. N edge
River bank with S. exigua, Populus, Acer. Phenology: vegetative only.

U.S.A., Wyoming, Natrona County: North Platte River at Evansville.
Riverbank with S. exigua, Elaeagnus angustifolia. Phenology: vegetative only.

U.S.A., Wyoming, Carbon County: 1 mi NE of Baggs.
Ditch bank with S. amygdaloides, S. exigua. Phenology: vegetative only.

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

U.S.A., Wyoming, Laramie County: Cheyenne.
41° 10' N, 104° 50' W; unknown, , GPS reading
Cuttings taken 4 January 2002 from 14 inch DBH tree grown in city park associated with S. amygdaloides, cuttings grown in greenhouse until 4 April 2002. a: grown in sun, b: grown in shade Phenology: vegetative only. Cultivated.

U.S.A., Wyoming, Teton County: Jackson.
43.4756° N, 110.7756° W; NAD 83, uncertainty .5 mi., Nat. Geog. TOPO!
Cultivated in park. Tree 10' high. Phenology: vegetative only. Cultivated.

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: the old Bar BC Ranch and vicinity on the west side of the Snake River, ca 3 air mi NNE of Moose; ca 15.5 air mi N of Jackson.
Among old log ranch buildings within grove of aspen, cottonwood, and willows and on sagebrush flats. Phenology: flowering & fruiting.
1. Salix fragilis L.
Annotated by David Scott.
with David Scott, Nancy Bockino

U.S.A., South Dakota, Meade County: Stockdam on Sternad Ranch.
T11N R16E S5
Growing on face of dam, occasional. Ocassional, tree ca 6m tall. Phenology: vegetative only.

U.S.A., South Dakota, Gregory County: Burke Lake Recreation Area.
Shoreline of lake, common. Phenology: fruiting.

U.S.A., South Dakota, Pennington County: Along Rapid Creek in Rapid City.
Stream bank with S. exigua interior and S. amygdaloides. Tree 8 inches DBH, leaves glaucous, branchlets brittle. Phenology: vegetative only.

U.S.A., South Dakota, Bennett County: Lacreek National Wildlife Refuge.
Edge of pond; Salix amygdaloides association. Phenology: vegetative only.

U.S.A., South Dakota, Lawrence County: Black Hills: along Spearfish Creek at Spearfish.
Along streams and ditches. Frequent. Phenology: vegetative only.

U.S.A., South Dakota, Lawrence County: Black Hills: Central City.
Open streamside; sandy rocky soil. Scattered to frequent along stream. Phenology: vegetative only.
Accession: USFS 444739, Barcode: USFS0071051

U.S.A., South Dakota, Custer County: Black Hills; Sanator.
T4S R4E S11
Open exposure, three speciemens found. Phenology: vegetative only.
Accession: USFS 444738, Barcode: USFS0071050

U.S.A., Colorado, Boulder County: Sunshine Canyon.
Phenology: flowering.

U.S.A., Colorado, Saguache County: SE of Saguache.
Ditch bank with Salix exigua and Salix lasiandra. Plants have been sprayed with herbicide. Phenology: flowering.

U.S.A., Colorado, Rio Grande County: West edge of Del Norte.
Roadside ditch with Salix exigua, Rosa. Phenology: fruiting.

U.S.A., Colorado, Fremont County: Texas Creek S of town of Texas Creek.
38° 24' N, 105° 35' W; unknown, , GPS reading
Streambank with Salix exigua, Betula. Phenology: vegetative only.

U.S.A., Colorado, Lincoln County: Limon.
Dry drainage way with Salix exigua, Conium. Phenology: fruiting.

U.S.A., Colorado, Pueblo County: Colorado City, Greenhorn Meadows Park.
Stream bank with Populus angustifolia, Salix exigua. Phenology: vegetative only.

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 exigua, Salix eriocephala. Phenology: flowering.

U.S.A., Colorado, Eagle County: Along Eagle River 0.5 mi below Minturn.
River bank with Picea, Amelanchier. Phenology: vegetative only.

U.S.A., Colorado, Routt County: N edge of Oak Creek.
Roadside ditch with Bromus. Phenology: vegetative only.

U.S.A., New Mexico, Mora County: NW edge of Cleveland.
Roadside ditch. Phenology: vegetative only.

U.S.A., Colorado, Conejos County: S edge of Bountiful.
Ditch bank with Bromus, Asclepias. Phenology: vegetative only.

U.S.A., Colorado, Alamosa County: ca 5 mi N of Mosca along Highway 17 or 1.5 mi S of Hooper.
Ditch bank. Phenology: flowering.

U.S.A., Colorado, Saguache County: ca 6 mi N of Moffat along Highway 17.
Roadside with Chrysothamnus. Phenology: vegetative only.

U.S.A., Colorado, Adams County: South Platte River at Highway 7, W edge of Brighton.
River bank with Salix exigua, Salix amygdaloides. Phenology: vegetative only.

U.S.A., Colorado, Weld County: Lone Tree Creek 4 mi N of Nunn along Highway 85.
Roadside ditch with Elaeagnus angustifolia, Populus deltoides. Phenology: flowering.

U.S.A., Colorado, Montezuma County: Just NE of Mancos along Forest Road 561.
Seepage area with Typha, Elaeagnus. Phenology: vegetative only.

U.S.A., Colorado, La Plata County: E of Durango along Highway 160.
Roadside ditch with Typha, Asclepias. Phenology: vegetative only.

U.S.A., Colorado, Costilla County: W edge of Blanca.
Ditch bank with Salix eriocephala ligulifolia, Salix lasiandra. Phenology: vegetative only.

U.S.A., Colorado, Las Animas County: Purgatoire River ca 2 mi W of Segundo.
Stream bank with Salix amygdaloides. Phenology: vegetative only.

U.S.A., New Mexico, San Miguel County: Gallinas River at Las Vegas.
Flood plain with Salix amygdaloides, Populus angustifolia. Phenology: flowering.

U.S.A., Colorado, Denver County: Along South Platte River ca 4 blocks N of Alameda in Denver near Valverde Park.
River bank with Salix amygdaloides, 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 eriocephala ligulifolia, Salix exigua. Phenology: vegetative only.

U.S.A., Colorado, Archuleta County: ca 2 mi S of Chromo along Highway 84.
Dry wash with Salix exigua. Phenology: vegetative only.

U.S.A., Colorado, Garfield County: ca 2 mi E of Silt.
Ditch bank with Tamarix, Ulmus. Phenology: vegetative only.

U.S.A., Colorado, Larimer County: N side of Fort Collins along Highway 287 ca 0.7 mi NW of Junction Highway 1.
Ditch bank with Ulmus. Phenology: vegetative only.

U.S.A., Colorado, Moffat County: Ca. 21 mi N of Craig.
Ditch bank with Bromus. Phenology: vegetative only.

U.S.A., Colorado, Rio Blanco County: Ca. 5 mi E of Meeker.
Roadside ditch with Populus angustifolia and Artemisia. Phenology: vegetative only.

U.S.A., Colorado, Boulder County: Boulder Mountain Parks, Gregory Canyon.
Foothill canyon with mosaic of open slopes, Pinus ponderosa woodland, and Pseudotsuga menziesii forests. Streamside. Phenology: flowering.

U.S.A., Colorado, Boulder County:
Abundantly established along the main irrigation ditches in and around Boulder. Phenology: flowering.

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Columbia River Benches: ca 5 road mi N of Cedonia on Wash Hwy 25.
Bench and east riverbank on west side of road; Pinus ponderosa; silt/sand. Phenology: vegetative only.
Accession: (unaccessioned)

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Columbia River Benches: ca 5 road mi N of Cedonia on Wash Hwy 25.
Bench and east riverbank on west side of road; Pinus ponderosa; silt/sand. Phenology: flowering.

U.S.A., Wyoming, Washakie County: Bighorn Basin: Green Bug Reservoir, ca 7.5 air mi SW of Ten Sleep on Blue Bank Road.
Disturbed areas. Phenology: vegetative only.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Flats along creek, old streambed, and standing water; streambank. Phenology: vegetative only.

U.S.A., Wyoming, Johnson County: Powder River Basin: Boxelder Creek, ca 5 air mi ENE of Lake De Smet.
Meadows along creek, sandy plains, ridges; meadow. Phenology: vegetative only.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: off Sheep Creek or County Road 43, ca 3.5-4 air mi ENE of Torrington.
Along irrigation ditch. Phenology: fruiting.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Edge of small reservoir. Phenology: vegetative only.

U.S.A., Wyoming, Big Horn County: Lucerne.
Ditch bank with Elaeagnus and Bromus. Phenology: vegetative only.

U.S.A., Wyoming, Fremont County: Hudson.
Roadside ditch with Sarcobatus and Bromus. Phenology: vegetative only.

U.S.A., Wyoming, Lincoln County: 2 mi N of Etna.
Ditchbank with Bromus and Dactylis. Phenology: vegetative only.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Grassland, pond margins. Phenology: vegetative only.

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Park Plateau: Spanish Peaks Wildlife Area: County Road 41.7 SW of Aguila.
Ponderosa pine and Quercus gambellii. Phenology: fruiting.

U.S.A., Wyoming, Weston County: Newcastle.
Ditch bank with Populus, Elaeagnus angustifolia. Tree 8 in DBH, leaves glaucous. ca S29 Phenology: vegetative only.

U.S.A., South Dakota, Custer County: Iron Creek.
Stream bank, with S. bebbiana, Onoclea. Twigs brittle at base; tree 5 m high, leaves glaucous. Phenology: vegetative only.

U.S.A., South Dakota, Custer County: Tributary to Iron Creek.
Stream bank in moderate shade, with S. bebbiana, Betula papyrifera, Picea glauca. Twigs brittle at base; tree 10 m high, 6 in DBH, leaves slightly glaucous. Phenology: vegetative only.

U.S.A., Montana, Carbon County: Bighorn Basin: along Robertson Draw Road, ca 3 air mi W of Chance Bridge on Clarks Fork Yellowstone River, ca 10.5 air mi SSW of Belfry.
Banks above the reservoir and on the dam. Phenology: vegetative only.
with Emily Elliott, Brian Elliott

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: the old Bar BC Ranch and vicinity on the west side of the Snake River, ca 3 air mi NNE of Moose; ca 15.5 air mi N of Jackson.
Among old log ranch buildings within grove of aspen, cottonwood, and willows and on sagebrush flats. Phenology: flowering & fruiting.
with David Scott, Nancy Bockino

U.S.A., Wyoming, Albany County: Laramie Plains: Bamforth National Wildlife Refuge: ca 7 air mi NW of Laramie.
Greasewood/grassland uplands; dry drainage ditch. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Wyoming Army National Guard Camp Guernsey Training Area: Gray Rocks Ranch Parcel, adjacent to Box Springs, ca 1 mi SE of the Paul Cundall Ranch homestead.
zone 13, 515634E, 4674310N; NAD 83, Specimen Label
High plains, weedy riparian habitat in drainage swale next to spring, with Salix amygdaloides, Xanthium strumarium, Iva axillaris, Phleum pratense, Arctium minus, and Hordeum jubatum; Arikaree Formation; soils Taluce, thin solum-Rock outcrop-Turnercrest complex. USGS 7.5' Wheatland NE Quad. Phenology: vegetative only.
with Donald L. Hazlett

U.S.A., Minnesota, Winona County: Upper Stockton Valley.
Stream bank with Acer negundo. Tree 15 in dbh. Phenology: flowering.

U.S.A., Montana, Sanders County: 3.1 mi W of Ravalli along Highway 200.
Roadside ditch with Solidago, Bromus. Tree 4m high, leaves glaucous, twigs brittle. Phenology: vegetative only.

U.S.A., Montana, Madison County: Virginia City.
Stream bank. Tree DBH 14 inches; leaves glaucous, twigs brittle. Phenology: vegetative only.

U.S.A., Montana, Lewis and Clark County: N side of Helena, Masonic Home Rd & Frontage Rd.
Roadside ditch with S. amygdaloides. Tree 5m high, leaves glaucous. Phenology: vegetative only.

U.S.A., Montana, Sweet Grass County: Along boulder River Road ca 2.3 mi below McLeod.
Roadside ditch with Bromus. Tree 7m high, leaves glaucous. Phenology: vegetative only.

U.S.A., Montana, Broadwater County: E edge of Townsend.
Ditch bank with Bromus. Tree DBH 12 inches, leaves glaucous. Phenology: vegetative only.

U.S.A., Montana, Stillwater County: Columbus.
Roadside ditch with Poa, Cirsium. Tree DBH 8 inches, leaves glaucous. Phenology: vegetative only.

U.S.A., Montana, Golden Valley County: W edge of Ryegate.
Roadside ditch. Tree DBH 12 inches, leaves glaucous, twigs brittle. Phenology: vegetative only.

U.S.A., Montana, Cascade County: E edge of Simms along Highway 200.
Roadside ditch with Rosa. Tree DBH 15 inches, leaves glaucous. Phenology: vegetative only.

U.S.A., Montana: Miller Creek.
At foot of high grade. Phenology: flowering & fruiting.
2. Salix fragilis L.

U.S.A., Montana, Yellowstone County: Laurel.
Along roadside. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Gallatin National Forest: Bozeman.
15 foot tree with 40 foot spread. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Bozeman.
J. W. Blankinship, s.n.. 6/1/1901.

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

U.S.A., South Dakota, Roberts County: Along Lake Traverse above Sisseton road, ca 2 mi NW of MN.
Muddy shore [illegible] spring. Phenology: vegetative only.

U.S.A., South Dakota, Spink County: Cottonwood Lake.
Marshy south end of lake. Phenology: vegetative only.

U.S.A., South Dakota, Brookings County: Oak Lake, near public access.
North shore. Only 1 tree at this site. Phenology: flowering.

U.S.A., South Dakota, Day County: Waubay National Wildlife Refuge: Spring Coulee.
Along roadside where pond overflow exits culvert. Phenology: vegetative only.

U.S.A., Nebraska, Dawes County: 30 mi S of Chadron: Cottonwood Creek.
Phenology: vegetative only.
with Marjorie W. Porter

U.S.A., Nebraska, Antelope County: Neligh.
Phenology: fruiting.

U.S.A., Nebraska, Garden County: Crescent Lake National Wildlife Refuge.
Edge of marsh with Typha, Solidago. Phenology: vegetative only.

U.S.A., Nebraska, Deuel County: Chappell Lake at Chappell.
Lake shore with S. exigua, S. amygdaloides. Phenology: vegetative only.

Salix fragilis hybrid (2000)
Salix fragilis L. hybrid
U.S.A., Nebraska, Cherry County: Ca. 23 mi SSW of Valentine.
Edge of swamp with S. amygdaloides, Typha. Phenology: vegetative only.

U.S.A., Nebraska, Scotts Bluff County: 1.3 mi E of Lyman.
Ditch bank with S. amygdaloides, Elaeagnus angustifolia. Phenology: vegetative only.

U.S.A., Nebraska, Sioux County: 5 mi N of Henry and 0.8 mi E of Wyoming line.
Roadside ditch with S. eriocephala, Elaeagnus. Phenology: flowering & fruiting.

U.S.A., Nebraska, Sheridan County: Walgren Lake, ca 4.5 mi SE of Hay Springs.
Lake shore with Salix amygdaloides, Populus. Phenology: vegetative only.

U.S.A., Montana, Valley County: Glasgow Base Ponds, W of Mont Hwy 24, ca 4.5 air mi W of Porcupine Creek, ca 3.5 air mi NW of St. Marie; ca 18 air mi N of Glasgow.
Moist grasslands surrounding pond with willows, Russian olive, and snowberry thickets. Phenology: vegetative only.
Joseph L. M. Charboneau, 8762. 8/4/2011.

U.S.A., Idaho, Valley County: Donnelly.
Roadside ditch, with Tanacetum and Bromus. Tree 5 m high, leaves glaucous, twigs brittle. Phenology: vegetative only.

U.S.A., North Dakota, Bottineau County: Turtle Mountains.
Edge of swamp, with Salix discolor and S. petiolaris. Tree 5 m high, leaves glaucous. Phenology: vegetative only.

U.S.A., North Dakota, McLean County: Along ND Hwy 28.
Roadside ditch, with Salix amygdaloides and S. exigua ssp. interior. Tree 10 in DBH, leaves glaucous, twigs brittle. Phenology: vegetative only.

U.S.A., Idaho, Benewah County: South edge of Plummer.
47° 19.7' N, 116° 53.4' W; unknown, , Specimen Label
Roadside ditch, with Salix bebbiana, Alnus. Tree 5 m high; leaves glaucous. Phenology: vegetative only.

U.S.A., Idaho, Adams County: Little Salmon River, west side at Forest Road 074.
45° 7.4' N, 116° 17.8' W; unknown, , Specimen Label
River bank, with Salix eriocephala, S. exigua. Tree 6 in DBH; leaves glaucous, twigs brittle at base. Phenology: vegetative only.

U.S.A., Idaho, Fremont County: Near St. Anthony.
43° 58' N, 111° 39.2' W; unknown, , Specimen Label
Ditch bank, with Salix exigua. Tree 7 m high; leaves glaucous; branchlets brittle at base. Phenology: vegetative only.

U.S.A., Idaho, Butte County: Lost River Range: King Spring, 6.9 air mi NNE of Arco.
<25 individuals estimated in hydric soil within a wetland area, 9 degree slope, S aspect, alluvial geology. Phenology: fruiting.

U.S.A., Wyoming, Johnson County: Big Horn Mountains: North Fork Powder River Wilderness Study Area: on the river, ca 30 mi NW of Kaycee.
T46N R84W S23
River shore; with Populus angustifolia, Salix amygdaloides, S. exigua, Prunus virginiana. Uncommon. 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 streamside woods, in shade; with Poa pratensis and Asperugo procumbens. Locally common. Phenology: flowering & fruiting.

U.S.A., Nebraska, Sioux County: Ca 5 mi N of Henry.
42° 4.5' N, 104° 2.6' W; unknown, , Specimen Label
Roadside ditch, with Salix amygdaloides, Bromus. Tree 10" DBH; population all pistillate so no seeds.

U.S.A., Wyoming, Carbon County: Saratoga Veterans Park along the North Platte River.
River bank with Populus and Elaeagnus. Tree 15 in. DBH. Phenology: vegetative only.

U.S.A., Wyoming, Goshen County: Wyoming Game & Fish: Bass Farm Wetland Habitat.
42° 5.5' N, 104° 10' W; unknown, , GPS reading
Swamp edge, with Typha, Equisetum. Tree with multiple trunks each 1m in diameter. Phenology: vegetative only.

U.S.A., South Dakota, Fall River County: Edgemont.
Elev. 3500
Pond edge in park; associates: Ulmus, Elaeagnus. Form: tree, multiple trunks to 24 inch DBH. Phenology: flowering & fruiting.

U.S.A., Colorado, Fremont County: East-central Colorado: Mosquito Range to Plains: Arkansas River Drainage: Beaver Creek State Wildlife Area: along Beaver Creek and adjacent meadows, ridges and gulches off County Road 132 at terminus, ca 15 air mi NE of Canon City.
On the sandy-gravelly banks of the creek. Phenology: vegetative only.
Annotated by ver. Robert Dorn.