Nasturtium officinale (1997)
BRASSICACEAE
Nasturtium officinale R. Br.
U.S.A., Wyoming, Park County: Northern Absaroka Area: Buffalo Bill Reservoir, ca 12 air mi ESE of Wapiti.
Elev. 5500 ft.
Lakeside, roadside, and along irrigation canal. Phenology: flowering & fruiting.
Accession: RM 653974, Barcode: RM0050096

Nasturtium officinale (1997)
BRASSICACEAE
Nasturtium officinale R. Br.
U.S.A., Wyoming, Park County: Northern Absaroka Area: South Fork Road, ca 0.5 air mi SW of Hunter Creek Road turnoff.
Elev. 6500 ft.
Along stream through burned sagebrush. Phenology: flowering & fruiting.
Accession: RM 653975, Barcode: RM0050095

Nasturtium officinale (2000)
BRASSICACEAE
Nasturtium officinale R. Br.
U.S.A., Wyoming, Hot Springs County: Bighorn Basin: just S of Legend Rocks State Historical Site along south side of Cottonwood Creek, 28 mi NW of Thermopolis.
Elev. 5400 ft.
T44N R98W S10
Wet soil on tufa deposits along a warm water tributary with Rorippa nastrutium aquatica, Eleocharis palustris and Polypogon monspelicensis. Phenology: flowering.
Accession: RM 824605, Barcode: RM0021795

U.S.A., Idaho, Fremont County: Targhee National Forest: Island Park Plateau: Warm River Spring, ca 16 mi NE of Ashton.
Wet soil adjacent to spring-run with Nasturtium officinale, Glyceria striata, and Platanthera hyperborea.
Accession: (unaccessioned)

U.S.A., Montana, Carbon County: [location and coordinates withheld]
Open wet soil along spring run with Carex nebrascensis, Carex praegracilis, Berula erecta and Scirpus pungens. Phenology: flowering & fruiting.
Accession: RM 779824

U.S.A., Montana, Park County: [location and coordinates withheld]
Wet soil along seepage and springs with Carex rostrata, Salix bebbiana, Veronica americana, and Nasturtium officinale. Phenology: flowering.
Accession: RM 753874

U.S.A., Arizona, Apache County: Apache National Forest: along Nutrioso Creek and U.S. Hwy 180/191-Coronado Trail, ca 5.5 air mi NNW of Alpine; ca 16 air mi SSE of Springerville.
In slow flowing water. Phenology: flowering & fruiting.
Accession: RM (unaccessioned)

U.S.A., Montana, Carbon County: Along Big Bluewater Spring outlet just SE of fish hatchery, 7 mi NE of Bridger.
Shallow water/wet soil with Berula erecta, Salix exigua, and Betula occidentalis. Phenology: flowering & fruiting.
Accession: RM 787638

U.S.A., Montana, Beaverhead County: Centennial Valley: Beaverhead National Forest: Elk Springs, ca 0.5 mi SW of Elk Lake; 8 mi NW of Red Rock Pass.
T13S R1E S31
Wet soil with Carex nebrascensis, Mimulus guttatus, and Catabrosa aquatica. Phenology: flowering & fruiting.

U.S.A., Utah, Washington County: Zion National Park: Fall Hanging Garden, Zion Canyon.
Elev. 1372 m.
zone 12, 328178E, 4126268N; Specimen Label
Hanging garden.
with C. L. May and Jon Hak
Accession: (unaccessioned)

U.S.A., Wyoming, Carbon County: [location and coordinates withheld]
Edge of creek; graminoids dominant, forbs diverse; wet, organic soil. Phenology: flowering & fruiting.
Accession: 650581

U.S.A., Wyoming, Laramie County: Southeastern Plains: along Horse Creek.
T18N R64W S23
Riparian. Phenology: flowering & fruiting.
with Eric Hazlett
Accession: (unaccessioned)

U.S.A., Wyoming, Laramie County: Southeastern Plains: in a spring beside the North Fork Bear Creek.
Prostrate in shallow standing water and on muck. Abundant. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Tensleep Preserve, The Nature Conservancy: southwest flank, foothills of the Big Horn Mountains, ca 10 mi E of Ten Sleep, Cooks Spring. Monument Hill quad.
Open disturbed grassy area with Juniperus communis, Ribes sp., Artemisia tridentata, Bromus inermis, Alopecurus arundinacea, Veronica america, Eleocharis palustris, Mimulus guttatus, Thlaspi arvense, Cirsium sp., Urtica, and Achillea millefolium. Phenology: flowering & fruiting.
with Loy R. Phillippe, Daniel T. Busemeyer, Paul Marcum, Richard T Larimore

U.S.A., Wyoming, Albany County: Fish Hatchery.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie.
In the margin of a pond. Phenology: flowering & fruiting.
Annotations:
Annotated by C. L. Porter in 1951.
with Elias Nelson

U.S.A., Wyoming, Albany County: Laramie River.
Open spring bogs. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Fish Hatchery.
Phenology: flowering.

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

U.S.A., Wyoming, Platte County: Along the Sibyllee Creek.
41.8728° N, 105.2134° W; NAD 83, uncertainty 4 mi., Digital Map
In a spring pool along the creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Sand Creek near Beulah.
44.5376° N, 104.09° W; NAD 83, uncertainty 1 mi., Digital Map
In shallow water. Phenology: flowering & fruiting.

U.S.A., Wyoming, Converse County: Laramie Mountains: Mill and Elk Mountain Creeks; ca 20.5 air mi S of Douglas.
Common in slow stream. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Orchard Ranch, Nowood River.
Abundant in spring fed stream 0.5 meters wide and 0.1 meters deep at edge of gravel bar. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: Newton Spring along Hwy 14, 16, and 20.
Phenology: fruiting.

U.S.A., Wyoming, Park County: Absaroka Mountains: North Fork Shoshone River Drainage: along Rattlesnake Creek Road, ca 3 mi N of U.S. Hwy 14, 16, and 20.
In spring along the creek. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Shoshone National Forest: Dead Indian Creek Valley: SW of and adjacent to Dead Indian Campground, 24 air mi NW of Cody.
Shrub wetland with Cornus sericea and Betula occidentalis; gravelly alluvium. FS-02-14-01-93-NC-040. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Lytle Creek Road between Bear Lodge Road junction and Fort Ranch turnoff.
Near spring N of road. Phenology: flowering & fruiting.
with Dennis Horning

U.S.A., Wyoming, Carbon County: Ferris Mountains: Whiskey Gap; ca 3 air mi SE of Muddy Gap and ca 38.5 air mi NW of Rawlins.
Abundant on granitic alluvium in running, cold water with Mimulus guttatus. Phenology: flowering & fruiting.
with Thomas Wood

U.S.A., Wyoming:
Phenology: flowering & fruiting.
Annotations:
Annotated by C. L. Porter in 1951.

U.S.A., Wyoming, Albany County: Laramie City Springs.
41.3111° N, 105.5507° W; NAD 83, uncertainty 0.25 mi., Digital Map
Annotations:
Annotated by C. L. Porter in 1951.
Leslie N. Goodding, 587. 9/5/1901.

U.S.A., Wyoming, Teton County: Vicinity of Hoback Canyon: Bryan Flats.
43.2715° N, 110.6448° W; NAD 83, uncertainty 0.5 mi., Digital Map
In a spring. Phenology: flowering & fruiting.
with Rua P. Williams

U.S.A., Wyoming, Goshen County: Southeast Plains: Dater Creek, ca 12 air mi SW of La Grange.
Tall Glyceria grandis/Scirpus validus community adjacent to stream channel on sandy alluvium. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southeast Plains: Rawhide Creek, ca 15 mi N of Lingle, just W of Wyo Hwy 85.
Dense stand of Scirpus pungens and Elymus repens in floodplain on alluvial soil. Phenology: flowering & 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 emergent, with Potamogeton. Phenology: flowering.

U.S.A., Wyoming, Teton County: Goosewing Creek.
Common in shallow water, growing with Veronica sp. And Salix sp.. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Kelly Warm Springs.
Abundant in shallow water, growing with Potamogeton sp. And Carex sp.. Phenology: flowering.

U.S.A., Wyoming, Teton County: Teton National Forest: Byran Flat Ranger Station.
In water. Phenology: flowering & fruiting.
Accession: USFS 404208

U.S.A., Wyoming, Albany County: Laramie Mountains: ca 25 mi SW of Wheatland on Neuces Ranch (old Adam Boyd Ranch) along road to ranch headquarters.
In spring fed pond. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southeast Plains: Canyon Creek, ca 0.5 mi downstream of the Diamond Guest Ranch.
Salix amygdaloides/Acer negundo stand with understory dominated by Poa compressa, Festuca pratensis, and Dactylis glomerata on alluvial terrace. Phenology: flowering.

U.S.A., Wyoming, Platte County: Southeastern Plains: Spring Creek, ca 1 mi NW of Cedar Hills and 5.5 mi W of Glendo Reservoir.
Populus angustifolia community with understory of Carex nebrascensis and Juncus balticus in floodplain of creek. Phenology: flowering & 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.
Dense Juncus balticus stand with some Agrostis stolonifera and scattered forbs on terrace slightly above floodplain. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Range: Rattlesnake Creek; ca 0.5 air mi NW of Buffalo Bill Reservoir.
Populus angustifolia grove along creek channel with Betula occidentalis and Alnus; understory dominated by Poa pratensis, Agrostis stolonifera, and Trifolium hybridum. Phenology: flowering & fruiting.

U.S.A., Wyoming, Teton County: Jackson Hole: wetland bordering 2-track road crossing berm on north side of Nowlin Pond #1 at crossing of Sheep Creek, ca 3 air mi NE of Jackson; ca 2 mi E of U.S. Hwy 26/89/187.
Bank of roadside ditch on black, organic saturated soil; cover of Carex aquatilis, Deschampsia cespitosa, and Senecio hydrophilus. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sublette County: West slope Wind River Range: Kendall Warm Springs, ca 30 air mi NNW of Pinedale on the east bank of the Green River.
Banks of warm springs on shallowly flooded marl deposits just above waterfall; with Mimulus guttatus and Gentianella detonsa. Phenology: fruiting.
with Wyoming Native Plant Society

U.S.A., Colorado, Chaffee County: Central Colorado: Sawatch Range, East Slope Continental Divide: east side of Arkansas River, just N of Cottonwood Creek, ca 1.5 air mi SE of Nathrop.
Palustine wetland along river. Phenology: flowering & fruiting.
with Benjamin Madsen
Accession: RM (unaccessioned)

U.S.A., Arizona, Gila County: Sierra Ancha National Forest: upper Workman Creek.
T6N R14E S33
10% west slope; stream bottom in pine-fir type; with Robinia neomexicana, Rubus neomexicana and Carex. Aquatic. Phenology: flowering & fruiting.
3. Nasturtium officinale R. Br.
Annotated by Ihsan H. Al-Shehbaz on 11//2012.
2. Nasturtium officinale R. Br.
Annotated by Doris W. Hayes in 1963.

U.S.A., Idaho, Adams County: Payette National Forest and Vicinity: Cuddy Mountains: Goodrich Creek Research Natural Area: along Goodrich Creek, ca 9 air mi SW of Council; ca 8 air mi NNE of Cambridge.
Roadside riparian area in grass and shrub rangeland. Phenology: flowering.
with Denise L. Fairbanks
Accession: RM (unaccessioned)

U.S.A., Idaho, Valley County: Payette National Forest and Vicinity: Long Valley: Little Payette Lake, northwest corner.
Edge of lake and roadside. Phenology: flowering & fruiting.

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Dennett Creek, 3-6 mi E of Snake River.
Sagebrush slopes, streamside, juniper and Douglas fir above on gravelly shale. Phenology: flowering & fruiting.
1. Nasturtium officinale R. Br.
Annotated by Joy Handley.
with Joy Handley

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Raft Creek and Snake River
Very weedy area along river and creek, and on shaly slopes. Phenology: flowering & fruiting.
Annotated by Joy Handley.
with Joy Handley

U.S.A., Colorado, Routt County: Sierra Madre/Park Ranges: Park Range: ca 19 mi NNW of Walden on Battle Ridge.
T11N R81W S5
Spring side.

U.S.A., Colorado, Routt County: Sierra Madre\Park Range: Park Range: ca 19 mi NNW of Walden on Battle Ridge.
Spring side.
Accession: 570684

U.S.A., New Mexico, Sandoval County: Rancho Rea.
Streamside. Phenology: flowering & fruiting.
Annotated by Ihsan H. Al-Shehbaz on 11//2012.

U.S.A., New Mexico, Eddy County: Carlsbad Caverns
May-June 1930 Phenology: flowering & fruiting.
Annotated by Ihsan H. Al-Shehbaz on 11//2012.
Gladys Convis, 70. 5//1930.

U.S.A., Arizona, Coconino County: Near Flagstaff.
Marshy area. Phenology: flowering.

U.S.A., New Mexico, Taos County: Carson National Forest and Vicinity: bottom of La Junta Trail to Big Arsenic Trail and back to Little Arsenic Trail to top of rimrock.
Riparian to rocky slopes near river. Phenology: flowering & fruiting.
with Jill E. Larson

U.S.A., New Mexico, Otero County: High Rolls and vicinity: edge of Fresno River Box Canyon.

U.S.A., Wyoming, Washakie County: Bighorn Basin: along County Road 54 at Brokenback Creek, ca 6.3 air mi NW of Ten Sleep and ca 26.5 air mi ENE of Worland.
Cattail marsh. Phenology: flowering & fruiting.

U.S.A., Arizona, Pima County: Tucson.

U.S.A., Wyoming, Big Horn County: [location and coordinates withheld]
Irrigation ditch. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: [location and coordinates withheld]
Spring meadow. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Bighorn Basin: along Shoshone River W of Willwood Dam and County Road
Aquatic. Phenology: flowering & fruiting.
with Michelle Wilson

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: West Creek on Unaweep Divide.
Riparian area with oak, poison ivy, and Boulder raspberry. Phenology: flowering & fruiting.
with Laura Cosse

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Unaweep Canyon along West Creek.
Riparian area with Populus and Salix exigua. Phenology: flowering & fruiting.

U.S.A., Colorado, Mesa County: San Miguel and Lower Dolores River Drainages: Unaweep Canyon along West Creek.
Riparian area with Acer negundo, Populus, Salix exigua, Eleocharis, and Equisetum. Phenology: flowering & fruiting.

U.S.A., Wyoming, Fremont County: East Slope Wind River Range and Vicinity: Sawmill Creek near Middle Popo Agie River, ca 5 air mi SW of Lander.
Spring. Phenology: flowering & fruiting.
Accession: USFS 844479, Barcode: USFS0026746

U.S.A., Arizona, Mohave County: Virgin River, Beaver Dam Creek.
Fresh running water. Phenology: flowering & fruiting.

U.S.A., Wyoming, Washakie County: Wetlands and Adjacent Areas: Brokenback Creek, ca 6 air mi NNW of Ten Sleep.
Along moist creek banks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Johnson County: Wetlands and Adjacent Areas: Blue Creek, ca 15 air mi WSW of Kaycee.
Emergent in slow-moving water. Phenology: flowering & fruiting.

U.S.A., Idaho, Blaine County: Picabo.
Wet bank along creek. Phenology: flowering & fruiting.
J. Francis Macbride, 3009. 7/3/1916.
with Edwin B. Payson

U.S.A., Idaho, Minidoka County: Minadoka Dam.

U.S.A., Idaho, Caribou County: Caribou National Forest: Sage Valley, growing near head of spring.
In rocks, mud & sand (running water). Phenology: flowering & fruiting.
Accession: USFS 461612

U.S.A., Idaho: Cache National Forest: near Summit Ranger Station.
Plentiful on 20% S in wet muck and water. Phenology: flowering & fruiting.
Arnold R. Standing, 13. 5/21/1923.
Accession: USFS 461603

U.S.A., Idaho: Lemhi National Forest: Spring Creek at Beardsley's Springs.
Dense growth on level found in all springs. Phenology: flowering & fruiting.

U.S.A., Montana, Powell County: 5 mi NE of Helmville.
In stream coming from spring on clayey hillside. Phenology: flowering & fruiting.
1.
Annotated by Reed C. Rollins in 1951.
with C. V. Muhlick

U.S.A., Idaho, Custer County: Backwater of creek 3 mi from mouth of Morgan Creek (empties into Salmon River ca 10 mi N of Challis).
with C. V. Muhlick

U.S.A., Idaho, Madison County: Targhee National Forest: around marshy area of Moody Swamp. SE.
Around marshy area with Pinus contorta and Vaccinium globulare. Phenology: flowering & fruiting.
with Glennon, Holte, Mel, Perason, and Vieth

U.S.A., Idaho, Twin Falls County: Twin Falls.
Shallow ponds. Phenology: flowering & fruiting.

U.S.A., Idaho, Twin Falls County: Shoshone Falls.
Shallow, stagnant water. Phenology: flowering & fruiting.

U.S.A., Oregon, Harney County: Ochoco National Forest: swamp near Burns.
Common in cattail swamp with spec. B702, B703, B704, and Typha spp. Phenology: flowering & fruiting.

U.S.A., Idaho, Butte County: Southern Lemhi Range, Challis National Forest, vicinity of Diamond Peak. In Badger Creek near junction with Bunting Canyon.
Common on west slope in slow moving water with Salix and Glyceria. Phenology: flowering & fruiting.
Douglass Henderson, 6369. 7/28/1982.
with Anita Cholewa

U.S.A., Idaho, Custer County: Challis National Forest: Birch Spring 6 mi W of Challis.
Growing in water. Phenology: flowering & fruiting.

U.S.A., Montana, Madison County: Northern Rocky Mountains: Vigilante Experiment Range: Warm Springs Creek.
In sandy clay loam at edge of water. Phenology: flowering & fruiting.
Annotated by Doris W. Hayes.

U.S.A., Montana, Carbon County: Lockheart place along Davis Creek.
Riparian bottom. Phenology: flowering & fruiting.

U.S.A., Idaho, Teton County: Victor.
In running water. Phenology: flowering & fruiting.
with E. N. Wilcox

U.S.A., Montana, Gallatin County: M.S.C. campus, Old Story Well.
Flowers white; plant roots at nodes. Phenology: flowering & fruiting.

U.S.A., Idaho: Minidoka National Forest: Six Mile Creek.
Plentiful in water. Phenology: flowering & fruiting.

U.S.A., Washington, Spokane County: Spokane.
This accession # is duplicated in the DB and is unverified. Phenology: flowering & fruiting.

U.S.A., Idaho: Cache National Forest: Cub River.
In moist clayey loam to wet of a meadow. Phenology: flowering & fruiting.
Grazing Reconnaissance, 299. 8/3/1915.

U.S.A., Oregon, Umatilla County: Near Pendleton.

U.S.A., Washington, Columbia County: Tucanon Valley.

U.S.A., Oregon, Klamath County: Near Fort Klamath.
Elev. 1470 m.

U.S.A., Idaho, Canyon County: Falk's Store.
Creeks and shallow ponds. Phenology: flowering & fruiting.
1.
Annotated by Aven Nelson in 1951.
J. Francis Macbride, 327. 7/7/1910.

U.S.A., Idaho, Owyhee County: Flint Creek.
Swampy meadows. Phenology: flowering & fruiting.
1.
Annotated by Aven Nelson in 1951.
J. Francis Macbride, 492. 7/30/1910.

U.S.A., Idaho, Custer County: Lemhi National Forest: near corral at head of Left Fork Cherry Creek.
Common on 5 degree E in deep moist loam of stream bottoms with Carex, Juncoides,and Veronica. Phenology: flowering & fruiting.

U.S.A., Oregon, Wasco County: The Dalles.
In running water. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Bozeman.
In springs. Phenology: flowering & fruiting.

U.S.A., Montana, Gallatin County: Gallatin National Forest: Potosi Hot Springs.
Along creek in water. Phenology: flowering & fruiting.
with W. E. Fry

U.S.A., Montana, Gallatin County: Gallatin National Forest: Potosi Hot Springs.
Near warm springs. Common. Phenology: flowering & fruiting.
Annotated by Doris W. Hayes and R. F. Martin.
with W. E. Fry

U.S.A., Idaho, Ada County: Boise.
Swamp. Phenology: flowering & fruiting.
Annotated by Aven Nelson in 1951.

U.S.A., Idaho, Bonneville County: Caribou National Forest: Twin Creek, near source of spring.

U.S.A., Idaho, Bannock County: Pocatello.
In wet sand. Phenology: flowering & fruiting.

U.S.A., Idaho: Lemhi National Forest: Warm Creek, Warm Springs Ranger Station pasture.
Common on getnle S in creek bottom usually alone. Phenology: flowering & fruiting.

U.S.A., Idaho: Lemhi National Forest: Warm Spring Creek.
Common on 5% s in wet muck and water. Phenology: flowering & fruiting.

U.S.A., Montana, Madison County: Warm Springs Creek.
Stream side with Mimulus guttatus. Phenology: flowering & fruiting.
Annotated by Booth in 1960.

U.S.A., Montana, Madison County: Beaverhead Int. Forest: Warm Springs Creek.
On 0-5% southern slope along stream side with Mimulus guttatus. Emergent - rooted in water. Phenology: flowering & fruiting.
Annotated by Jane W. Roller in 1960.
Peter F. Stickney, PFS-275. 7/19/1959.

U.S.A., Idaho, Kootenai County: Coeur d'Alene.
Around springs in wood. Phenology: flowering & fruiting.

U.S.A., Montana, Carbon County: North Fork Trail Creek.
Cottonwood bottom. Phenology: flowering & fruiting.

U.S.A., Idaho, Fremont County: Targhee National Forest: Island Park Plateau: Big Springs, ca 14 air mi SW of West Yellowstone, Montana.
Plants aquatic, shoreline vegetation mostly Carex, Mimulus, and Agrostis. Phenology: flowering & fruiting.

U.S.A., Idaho, Clark County: Targhee National Forest and vicinity: near mouth of Grouse Canyon, ca 22 air mi NW of Dubois.
Riparian, dominated by Salix and Ribes. Phenology: flowering & fruiting.

U.S.A., New Mexico, Catron County: Mogollon Mountains: West Fork Gila River.
T11S R16W S21

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Hewlett Gulch off Colo Hwy 14, 0.5 mi W of Poudre Park, ca 13 air mi NW of Fort Collins. C
Creekside in foothills gulch with granite substrate. Phenology: flowering.

U.S.A., New Mexico, Lincoln County: Lincoln National Forest: at George Canyon.
Lincoln/Otero couties. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and vicinity: Jemez Mountains: Arroyo de los Frijoles, 2.5 air mi W of Abiquiu. From corral at start of Barranca Trail 111 3.4 air mi S to Frijoles Spring.
Riparian with cottonwoods through canyon of soft sedimentary rock in pinyon/juniper woodland. Phenology: flowering & fruiting.

U.S.A., New Mexico, Rio Arriba County: Santa Fe National Forest and Vicinity: Jemez Mountains: Forest Road 27 at headwaters of Polvadera Creek, 7.5 air mi SW of Abiquiu, along creek for 1.1 mi.
Banks of drainage. Phenology: flowering & fruiting.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: Seven Springs Fish Hatchery, 5.5 air mi NW of La Cueva, ENE up Rio Cebolla for 1.1 mi, at NM Hwy 126/Forest Road 314 junction to river.
Riparian. Phenology: flowering & fruiting.

U.S.A., New Mexico, Los Alamos County: Santa Fe National Forest and Vicinity: Jemez Mountains: White Rock Canyon, Red Dot Trail to Pajarito Springs, the Rio Grande and down stream ca 1 mi; 2 - 2.5 air mi S of White Rock.
Rocky slopes along trail, stream, wet areas. Phenology: flowering.
with Brian Reif and Brian Jacobs

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: 3 road mi NNE of Ponderosa.
Roadside, streamside. Phenology: fruiting.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: 8 air mi SW of La Cueva; Forest Road 376, 2 air mi N of Porter.
Stream and adjacent meadow. Phenology: flowering & fruiting.

U.S.A., New Mexico, Sandoval County: Santa Fe National Forest and Vicinity: Jemez Mountains: East Fork Jemez River from trailhead, 0.2 air mi W of Las Condras Campground, N and W to Valles Caldera National Preserve fence near highpoint 8612.
Broad valley with volcanic boulders and rock outcrops on flanks. Phenology: flowering & fruiting.

U.S.A., New Mexico, Los Alamos County: [location and coordinates withheld]
Stream bottom. Phenology: fruiting.

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: cliffs on east side of Wind River Canyon, ca 12 air mi SSE of Thermopolis; ca 20 air mi N of Shoshoni.
T6N R6E S15; also T41N R94W S21 and S28
Wet spring areas on west-facing slope.
with Clay Lippencott

U.S.A., Wyoming, Fremont County: Trail in Sinks Canyon.
Streamside along the nature trail. Phenology: flowering.
Betsy Schimelpfenig, 62. 9/1/1988.

U.S.A., Arizona, Gila County: Tonto National Forest: Reynolds Creek Ranger Station.
T6N R13E S12
West slope; in streams with Poa. Common. Phenology: flowering.
Annotated by Jane W. Roller.

U.S.A., Wyoming, Park County: North Fork Shoshone River Drainage: Absaroka Mountains: along south side of North Fork Shoshone River, ca 3/4 mi W of Wapiti, near the mouth of Rand Creek.
In wet soil of irrigation seepage. Phenology: flowering & fruiting.

U.S.A., Wyoming, Sheridan County: Big Horn Mountains: N of Story Fish Hatchery buildings and ponds, ca 2 mi W of Story.
In wet areas among beaver ponds and spring channels. Phenology: flowering.

U.S.A., Wyoming, Park County: Southeastern Absarokas: Stratford Ranch, near upper ranch house along east side of South Fork Shoshone River, ca 40 mi SW of Cody.
Riparian areas along spring channels. Phenology: fruiting.

U.S.A., Arizona, Coconino County: Painted Desert: Tuba Oasis.
In ditches. Abundant. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Sheridan Training Area: dried pond, 0.5 km ENE of Peak 4152, 2.1 km SE of Peak 4244.
Elev. 1230 m.
Scattered in Artemisia grassland on level to 15 deg slope in sandy loam, soil series Platsher-Wolfvar loams, with Artemisia ludoviciana, A. frigida, Gutierrezia sarothrae, Solidago rigida, and Bromus tectorum. Phenology: fruiting.
Patricia P. Douglas, 252. 8/28/1997.
with N. E. Hastings

U.S.A., Wyoming, Platte County: Camp Guernsey: near Warm Springs.
Level floodplain in sand with Artemisia, Bromus, Calamovilfa, Euphorbia, and Populus spp. Phenology: flowering & fruiting.
Patricia P. Douglas, 401. 8/21/1995.
with B. E. Nelson, R. M. Smith, N. E. Hastings

U.S.A., Wyoming, Laramie County:
Stream emergent, with Potamogeton. Phenology: flowering.

U.S.A., Wyoming, Converse County: 1 mi E of Esterbrook.
Seepage area with Juncus and Salix. Phenology: flowering & fruiting.
Annotated by Ihsan A. Al-Shehbaz on 9//2009.

Nasturtium officinale ()
U.S.A., Wyoming, Park County: Shoshone National Forest: Dead Indian Creek Valley; SW of and adjacent to Dead Indian Campground, 24 air mi NW of Cody.
Shrub wetland with Cornus sericea and Betula occidentalis; gravelly alluvium. Phenology: flowering & fruiting.
Gillian Walford, 1059. //.

Nasturtium officinale ()
U.S.A., Wyoming, Park County: Shoshone National Forest: Dead Indian Creek Valley; SW of and adjacent to Dead Indian Campground, 24 air mi NW of Cody.
Shrub wetland with Cornus sericea and Betula occidentalis. Phenology: fruiting.
Gillian Walford, 1059. //.

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: upper drainage of East Fork Jemez River S from main ranch road at south tip of Cerro del Medio to NM Hwy 4.
Meadows and streamside. Phenology: flowering & fruiting.

U.S.A., Arizona, Gila County: Sierra Ancha National Forest: upper Workman Creek.
T6N R14E S33
Phenology: flowering.
Accession: RMRS (unaccessioned)

U.S.A., Arizona, Gila County: Sierra Ancha National Forest: upper Workman Creek.
Annotated by Doris W. Hayes.
Accession: RMRS (unaccessioned)

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: John D. Rockefeller Jr. Memorial Parkway: near Polecat Creek, ca 32.5 air mi N of Moose; ca 22.3 air mi NNW of Moran.
Spring and wetland. Phenology: flowering.
Annotated by David Scott.
with Diane Abendroth

U.S.A., Wyoming, Teton County: Grand Teton National Park and Vicinity: Jackson Hole: at Kelly Warm Springs, ca 5 air mi E of Moose; ca 14 air mi NE of Jackson.
Warm springs aquatic community. Phenology: flowering & fruiting.
Annotated by David Scott.

U.S.A., New Mexico, Sandoval County: Valles Caldera National Preserve: Jemez Mountains: Valle Toledo: crossing of Pipeline Road and San Antonio Creek to 0.4 air mi to NE then S to 0.3 air mi upstream.
Wetlands along creek to slopes to N with upwellings (seeps) with barren ground and adjacent "bouncy" ground (like a bog). Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Southwestern Absarokas: ca 31 air mi SW of Cody; along the Shoshone River on the TE Ranch.
Wet area.

U.S.A., South Dakota, Pennington County: Rapid City, in Rapid Creek.
Swift water in creek. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Hot Springs, Hot Brook Creek.
T7S R5E S10
Pond, hydrophytic. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Rapid City, Rapid Creek.
Bottomland; oak, willow, and elm association; mesophytic. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Hot Springs.
T7S R5E S13
Phenology: flowering.

U.S.A., South Dakota, Fall River County:

U.S.A., Wyoming, Albany County: Laramie Range: Halleck Canyon Road along Little Halleck Creek, ca 31 air mi NE of Laramie.
Creekside. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan
Accession: 651457

U.S.A., Wyoming, Albany County: Laramie Range: Tie City, ca 8.5 air mi SE of Laramie.
Creekside. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Wyoming, Albany County: Laramie Range: Johnson Reservoir, ca 27 air mi NE of Laramie.
Reservoir and adjacent granite outcrops. Phenology: flowering & fruiting.
with J. Brondum and T. McGowan

U.S.A., Colorado, El Paso County: Monument Creek floodplain, just W of C.C.
Disturbed area; Pierre shale. Phenology: flowering & fruiting.
with Lee Vierling

U.S.A., Colorado, Larimer County: Phantom Canyon Ranch: North Fork Cache La Poudre River: 0.75 mi S of Halligan Lake Dam.
Along river bank, with Betula occidentalis, Alnus. Phenology: flowering.

U.S.A., Colorado, Larimer County: Cochetopa National Forest: Sheep Creek.
Level slope; sandy loam soil. Phenology: flowering & fruiting.

U.S.A., Colorado, Garfield County: White River National Forest: Mitchell Creek.
Alluvial loam; submersed in water with Marchantia, moss and Equisetum laevigatum. Phenology: flowering.

U.S.A., New Mexico, Santa Fe County: Santa Fe National Forest: Dalton Creek.
Gravelly loam soil. Phenology: flowering & fruiting.
Frederic G. Renner, 176. 8/5/1922.

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

U.S.A., Colorado, Larimer County: Bald Mountain, W of Loveland.
George E. Osterhout, 410. 6/30/1894.

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

U.S.A., Wyoming, Albany County: Laramie Range: along Three Cripples Creek ca 1-1.5 air mi W of Harris Park or Forest Road 633, ca 1.5-2 air mi ESE of Esterbrook; ca 25 air mi S of Douglas.
In shallow water of stream. Phenology: flowering & fruiting.
Annotated by B. A. Packer.

U.S.A., New Mexico, Rio Arriba County: Pecos National Forest.
Growing in water. Phenology: flowering.

U.S.A., Colorado, Larimer County: Rocky Mountain National Park: Front Range; Moraine Park, north-central section.
Growing in slow moving streamlet from spring. Phenology: flowering & fruiting.
Annotated by William A. Weber.

U.S.A., Colorado, no county County: Denver: along the Platte River.

U.S.A., Colorado, La Plata County:
T34N R8W
Wet soil along creek. Phenology: fruiting.
Annotated by Reed C. Rollins in 1951.

U.S.A., Colorado, La Plata County:
T34N R8W
Wet ground along creek. Phenology: flowering & fruiting.
Annotated by Reed C. Rollins.

U.S.A., Colorado, Delta County: 2 E Delta.
In shallow ditch; swamp; wet black loam. Phenology: flowering & fruiting.

U.S.A., New Mexico, San Miguel County: Near Pecos.
Phenology: fruiting.

U.S.A., Colorado, Rio Blanco County: 1 mi W of the junction of Corral Gulch and Stake Springs Draw, along Corral Gulch.
Creek bottom with Juncus and Carex. Phenology: flowering & fruiting.
with T. Naumann

U.S.A., Colorado, Boulder County: Sunshine Canyon, near Boulder.

U.S.A., Colorado, Boulder County: Hiram Prince Lake.

U.S.A., Colorado, Garfield County: New Castle.

U.S.A., Colorado, Rio Blanco County: Meeker.

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

U.S.A., Colorado, Larimer County:
Along railroad and river east. From Herb. State Agric. College Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: Medicine Bow National Forest: ca 2.5 air mi NE of Esterbrook, ca 33 air mi SE of Douglas.
Along creek and boulder outcroppings. Phenology: flowering & fruiting.
with T. McGowan & T. Freeman

U.S.A., Wyoming, Converse County: Laramie Range: along unnamed creek, ca 8.5 air mi from Glenrock on County Road 19.
Cow pasture and adjacent sandstone/granite canyon. Phenology: flowering & fruiting.
with T. McGowan & T. Freeman

U.S.A., Idaho, Clark County: Targhee National Forest and vicinity: Beaverhead Range: near mouth of Grouse Canyon, ca 22 air mi NW of Dubois.
Riparian, dominated by Salix and Ribes.

U.S.A., Arizona, Gila County: Sierra Ancha National Forest: Upper Workman Creek.
10% west slope; stream bottom in pine-fir type; with Robinia neomexicana, Rubus neomexicana and Carex; aquatic. Phenology: flowering.
Annotated by Doris W. Hayes in 1963.

U.S.A., Colorado, Garfield County: Flat Tops/White River Plateau: Rifle Mountain Park: East Rifle Creek, 1 air mi S of Community Building; ca 14 air mi NNE of Rifle.
Bottom of limestone canyon, riparian zone with Acer negundo and cliff faces and talus slopes; riparian.
with James P. Vanderhorst and Walter Fertig

U.S.A., New Mexico, Sandoval County: Jemez Mountains: Santa Fe National Forest: along East Fork Jemez River, vicinity of McCauley Warm Springs.
Elaine Perkins Jacobs, 3006. 4/30/1986.
with Brian Jacobs

U.S.A., Washington, Stevens County: Western Colville National Forest and Vicinity: Trombetta Canyon, ca 2 air mi S of Northport on Fivemile Creek.
Wetland/swamp. Phenology: flowering & fruiting.
with Linda Swartz

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

U.S.A., Wyoming, Lincoln County: [location and coordinates withheld]
Streamside and adjacent uplands. Phenology: flowering & fruiting.

U.S.A., Wyoming, Park County: Northern Absarokas: Elk Creek near mouth on Sunlight Creek, ca 2.5 air mi W of Dead Indian Hill, ca 24.7 air mi NW of Cody.
On wet travertine terraces and in the stream. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Goshen Hole: ca 1.5 mi SW of Torrington, along south side of North Platte River.
In sandy clay at edge of river. Infrequent. Phenology: fruiting.

U.S.A., Wyoming, Washakie County: Big Horn Mountains: near the mouth of Tensleep Canyon, ca 5 air mi NE of Ten Sleep.
In and around overflow areas. Phenology: flowering & fruiting.
with Gael Fonken

U.S.A., Wyoming, Washakie County: Big Horn Mountains: along Nowood River at the foot of Mahogany Butte, ca 27 air mi S of Ten Sleep, ca 9.5 air mi SSW of Big Trails.
In the river. Phenology: flowering.

U.S.A., Wyoming, Hot Springs County: Bighorn Basin: Wind River Indian Reservation: overflow area along South Fork Owl Creek, ca 25 air mi WNW of Thermopolis; ca 8 air mi SW of Hamilton Dome on Wyo Hwy 174.
Fence row. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Hartville Uplift: Patten Creek, ca 16 air mi SSE of Glendo.
Margins of deep pools in creek, wet sedge meadows, cutbanks, ponderosa pine slopes, little bluestem grassland on hilltops and slopes, silver sage grassland above creek; meadows. Phenology: fruiting.

U.S.A., Wyoming, Niobrara County: [location and coordinates withheld]
Sandy flats above creek, rich, moist meadows along creek, sandy plains; along and in creek. Phenology: flowering.

U.S.A., Wyoming, Big Horn County: Bighorn Basin: Paint Rock Creek, Hyattville.
Rocky margin of creek.
with Ronald L. Hartman

U.S.A., Wyoming, Big Horn County: Big Horn Mountains: John Blue Canyon, ca 4.5 mi NNE of U.S. Hwy 14A.
Slopes of canyon, riparian area along small creek; riparian area. Phenology: flowering & fruiting.
with Ronald L. Hartman

U.S.A., Wyoming, Hot Springs County: Owl Creek/Bridger Mountains: north slope of Bridger Mountains: U.S. Hwy 20, ca 5 air mi S of Thermopolis.
Stream along road. No elevation listed in the field notebook.
with Keith H. Dueholm

U.S.A., Washington, Asotin County: Umatilla National Forest and Vicinity: Menatchee Creek and Trail, ca 5 mi S and 12 mi W of Anatone.
Riparian areas; slope 0-5; aspect riparian. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Hartville Uplift: along Patten Creek ca 0.5 mi W of Wyo Hwy 270 on Patten Creek or County Road 208, ca 16 air mi ESE of Glendo; ca 12.3 air mi N of Guernsey.
Stream bank and marshy areas in stream bottom. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: [location and coordinates withheld]
Gravel bars, edge of creek, and marshy areas. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Bear Creek on Marsh or County Road 245-1, ca 3/4 mi W of (upside down V)X Ranch, ca 25.5 air mi ENE of Iron Mountain (Farthing); ca 35 air mi N of Cheyenne.
Gravel bars, low stream banks, and in standing or slow moving water. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Hat Creek Breaks: between S Bar or County Road 62 and S Bar Creek, ca 18 air mi NE of Lusk; ca 15 air mi N of Van Tassell.
Marshy creek bottom with flowing water. Phenology: flowering & fruiting.

U.S.A., Wyoming, Laramie County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Horse Creek and bluffs to the north, ca 4.5 air mi S of Indian Hill, ca 24.5 air mi N of Cheyenne.
In water at the edge of the stream. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Chugwater Creek SE of Degans Butte, ca 7.5-8.5 air mi SW of Chugwater; ca 25 air mi S of Wheatland.
Standing water and at the edge of the stream. Phenology: flowering & fruiting.
with Tim Chumley and Robbin Romberg

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Wyo Hwy 34 and I-25 interchange, ca 7 mi S of Wheatland.
Sandy slopes and stream bottom. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 12 air mi SW of Wheatland.
Stream side. Phenology: fruiting.

U.S.A., Wyoming, Sublette County: Green River Basin: Green River, ca 9 air mi S of Big Piney.
Riverside meadows, sagebrush, and sagebrush bluff. Phenology: flowering & fruiting.
with Ben and Becky Cramer

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Greenhorn Road just S of Colo Hwy 165 over Greenhorn Creek.
By bridge; oak-pinyon and riparian. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Lytle Creek SSW of Manly Hill, ca 8 air mi ESE of Devils Tower.
In shallow water. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Dugout Gulch ca 5.5 air mi S of Beulah.
Wet meadow (old beaver ponds), in water. Phenology: fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Creek margins. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Redwater Creek, ca 2.2 air mi WNW of Beulah.

U.S.A., Wyoming, Weston County: Black Hills: Stockade Beaver Creek drainage between Sherwood and Sheldon Canyons; ca 6 air mi ENE of Newcastle.
Along creek (below spring), in water. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Shallow water at edge of stream. Phenology: flowering & fruiting.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: ca 1.5 mi E on Gulch or County Road 28, N of Westcliffe.
By a small spring; pinyon-juniper, lower end for ponderosa; riparian. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Van Bremmer Creek at Van Bremmer Narrows, 11.5 air mi NNE of Cimarron.
Small flowing stream in narrow sandstone canyon borderd by cliff on south side; surrounding slopes with open mixed conifer forest. Petals white; plants forming patches in flowing water in stream; frequent. Phenology: flowering & fruiting.
Annotated by Ben Legler on 3/13/2008.
with Neil Snow

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Canadian River 0.13 mi S of (donwstream from) mouth of Jones Canyon; 9 air mi W of Raton.
Small flowing river with large dry gravel bar and narrow strip of marshy shoreline dominated by Carex spp., Equisetum laevigatum, grasses. Petals white; stems decumbent and rooting at base; locally common in shallow seep adjacent to river flow. Phenology: flowering & fruiting.
Annotated by Ben Legler on 3/13/2008.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Van Bremmer Creek 2.8 air mi S of Colfax and 2.4 air mi SE of U.S. Hwy 64.
Sluggishly flowing stream with deep channel, banks dominated by Schoenoplectus, with Potamogeton and Ranunculus aquatilis submerged in water. Petals white; forming patches in shallow flowing stretches of stream. Phenology: flowering & fruiting.
Annotated by Ben Legler on 3/13/2008.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: pond on south side of Vermejo River in Vermejo Park just W of employee housing area; 1.6 air mi WNW of Casa Grande.
Shallow muddy pond in old river oxbow, with Juncus spp., Sparganium emersum, Potamogeton spp., Carex spp. Petals white; stems forming mats in shallow flowing water at inlet to pond. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: in Salyers Canyon 5.5 air mi NNW of its junction with the Vermejo River and 6.4 air mi SE of Vermejo Park.
Dry grassy canyon bottom with slopes dominated by Pinus edulis. Petals white; plants locally abundant in shaded muddy seep in stream channel. Specimen GPS: 36.853466, -104.882393. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: along Cerrososo Creek 2.1 air mi N of mouth of Plaza Canyon; 8.5 air mi NNE of Cimarron.
Small flowing stream with marshy banks, with Eleocharis, Juncus balticus, and Rorippa nasturtium-aquaticum. Petals white; common in flowing water. Specimen GPS: 36.6353, -104.888901. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: around Van Bremmer Creek at mouth of Van Bremmer Canyon, 1.8 air mi NW of NM Hwy 64.
Flat, dry shortgrass prairie with Cylindropuntia imbricata, Cirsium undulatum, and Psoralidium tenuifolium. Petals white; occasional in shallow pools along creek. Photographed. Specimen GPS: 36.590378, -104.800163. Phenology: flowering & fruiting.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: pond in Van Bremmer Canyon 7.6 air mi SE of Van Bremmer Park.
Small man made pond, lined by Juncus balticus and Carex, with Myriophyllum sibiricum and Potamogeton in shallows. Petals white; local in small seep. Specimen GPS: 36.799461, -104.958206. Phenology: flowering & fruiting.

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.
Marsh around the reservoir. Phenology: flowering & fruiting.
with Emily Elliott, Brian Elliott

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: along West Rosebud Creek, ca 6 air mi SW of forest boundary, ca 24 air mi WNW of Red Lodge.
Wet stream bank and beaver ponds. Phenology: flowering.
Accession: USFS 863489, Barcode: USFS0045105

U.S.A., Colorado, Saguache County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Colo Hwy 114; BLM Road 5285 to Garcia Spring, NW of Saguache.
Riparian; Sarcobatus. Phenology: flowering & fruiting.
with Kenneth Elliott

U.S.A., Colorado, Las Animas County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Purgatoire River; E on County Road 75 from Exit 18 on I-25.
Riparian. Phenology: flowering & fruiting.
with Kenneth Elliott

U.S.A., Montana, Park County: Absaroka Range: Gallatin National Forest: vicinity of trailhead on Mission Creek, ca 9 air mi SE of Livingston.
Coniferous forest and stream. Phenology: flowering.
Accession: USFS 868759, Barcode: USFS0062848

U.S.A., Colorado, Montrose County: Paradox.
Boggy creek bottom. Phenology: flowering & fruiting.
Annotated by C. L. Porter on 4/16/1951.

U.S.A., New Mexico, Union County: Morrow's Ranch: 3 1/2 air mi NW of Capulin.
Canyon (basalt rock) with stream. Phenology: flowering & fruiting.
Michael Schiebout, 5194. 6/3/2005.

U.S.A., Colorado, Fremont County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Colo Hwy 115, ca 2 air mi WNW of Florence (city center).
Sandstone cliffs and rocky-sandy slopes with wooded areas around streams. Phenology: flowering & fruiting.
Annotated by Brian Elliott.
with Brian Elliott

U.S.A., Montana, Meagher County: Lewis and Clark National Forest: Little Belt Mountains: west side of Smith River across from Indian Springs Campground at Indian Springs.
Riparian zone and bench about river, wooded Pseudotsuga menziesii; east aspect; 0-5% slope. Phenology: fruiting.
1. Nasturtium officinale R. Br..

U.S.A., Wyoming, Teton County: Yellowstone Plateau: Yellowstone National Park: along Spring Creek at Fern Cascades, ca 1 mi S of the Old Faithful complex.
Wet, unshaded soil in burned, former spruce-lodgepole pine forest with Parnassia fimbriata, Juncus ensifolius, and Senecio triangularis. Phenology: fruiting.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: in the vicinity of Cow Creek, just S of Forest Road 4095, ca 1.5 air mi W of Otter Creek Road or Mont Hwy 484, ca 2 air mi WSW of Fort Howes.
Flowing water draw with cottonwood, green ash, Juncus, and Salix. Phenology: fruiting.

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: flowering & fruiting.
Michael K. Kirkpatrick, 1433. 6/15/2010.

U.S.A., Nebraska, Webster County: 2 mi N of Amboy, W of county road and E of railroad.
Large spring fed marsh. Common. Phenology: buds.

U.S.A., Colorado, Pueblo County: Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: on Colo Hwy 96, ca 2 air mi W of Pueblo Reservoir dam.
Calcareous flats and breaks to reservoir. Phenology: vegetative only.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: along West Rosebud Creek, ca 6 air mi SW of forest boundary, ca 24 air mi WNW of Red Lodge.
Wet stream bank and beaver ponds. Phenology: flowering.
Accession: USFS (unaccessioned), Barcode: USFS0048388

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: in the vicinity of Cow Creek, just S of Forest Road 4095, ca 1.5 air mi W of Otter Creek Road or Mont Hwy 484, ca 2 air mi WSW of Fort Howes.
Flowing water draw with cottonwood, green ash, Juncus, and Salix. Phenology: fruiting.
Accession: (unaccessioned), Barcode: USFS0050193

U.S.A., Idaho, Custer County: Little Lost River Valley: Moffett Creek area, ca 1/4 mi downstream of Moffett Spring, 16 air mi SSW of Gilmore.
Well developed soil in hydric herbaceous riparian vegetation; 0° slope; alluvial geology. 26-75 individuals apparent. Phenology: flowering & fruiting.
with Wendy Irwin

U.S.A., Idaho, Butte County: Challis National Forest: Lost River Range: along Deer Creek, 17.3 air mi ENE of Mackay.
Well developed soil in hydric aspen woodland vegetation; 4° slope, NNE aspect; alluvial geology. Population is dominant throughout the area. Phenology: flowering & fruiting.

U.S.A, Idaho, Custer County: Southern Salmon River Mountains: head of Alkali Spring, 15.0 air mi S of Challis.
25-75 plants estimated in hydric fine textured soil within herbaceous riparian vegetation, 19 degree slope, NW aspect, arenite geology. 25-75 plants estimated. Phenology: flowering & fruiting.

U.S.A, Idaho, Lemhi County: Birch Creek Valley: Birch Creek tributary ca 0.9 mi N of the confluence with Rocky Canyon, 35.0 air mi SE of Leadore.
25-75 plants estimated in hydric coarse textured soil within herbaceous riparian vegetation, no slope, alluvial geology. 25-75 plants estimated. Phenology: flowering & fruiting.

U.S.A, Idaho, Butte County: Little Lost River Valley: head of Warm Spring Creek at highway crossing, 21.6 air mi NNE of Arco.
Dominant population in hydric soil within herbaceous riparian vegetation, no slope, alluvial geology. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Arnolds Drain ca 2 mi E of Torrington along Sheep Creek Road.
42° 4.5' N, 104° 8.4' W; unknown, , Specimen Label
Edge of stream, with Polygonum, Mimulus, and Verbena. Flowers white. Phenology: flowering.

Nasturtium officinale ()
Limestone outcrop and soil.
Annotated by Joshua J. Irwin.
, 91731. //.

U.S.A., Montana, Madison County: Horn Mountains: Horn Creek, ca 1.5 air mi E of Cliff Lake, ca 41 air mi SSE of Ennis.
In a stream. Phenology: fruiting.
1. Nasturtium officinale R. Br..

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: flowering & fruiting.
Michael K. Kirkpatrick, 1433. 6/15/2010.
Accession: USFS (unaccessioned), Barcode: USFS0060740

U.S.A., Wyoming, Lincoln County: Pine Creek, ca 6 air mi ENE of Cokeville.
Trace of the Crawford Thrust Fault, lower Cretaceous Sage Junction formation, gray and tan siltstone and sandstone, with minor limestone, conglomerate and coal; silty, loamy humus on montane streamside and streamlets; slope 0-2 deg; with Epilobium ciliatum, Machaeranthera canescens, Angelica arguta, Carex praegracilis, C. hystericina, Agrostis stolonifera, Platanthera huronensis. Phenology: flowering & fruiting.

U.S.A., Utah, Daggett County: Southwestern Wyoming and Adjacent Utah: Browns Park: on the south side of Green River.
Birch\Cornus at spring. Phenology: flowering & fruiting.
with Duane Atwood and Lucy Jordan

U.S.A., Colorado, Delta County: North Fork Valley: Chipeta Unit of Hotchkiss National Fish Hatchery, NE of the main hatchery, ca 0.5 road mi SE of J Road, ca 2 air mi SW of Hotchkiss.
Growing in shallow water. Flowers white. Phenology: flowering.

U.S.A., South Dakota, Lawrence County: Ca 1 mi SW of Savoy just above Roughlock Falls.
44° 21' N, 103° 56.8' W; unknown, , Specimen Label
Stream, with Myosotis, Carex. Flowers white. Phenology: flowering.

U.S.A., South Dakota, Fall River County: Cascade Creek, ca 7 mi SSW of Hot Springs.
43° 20.1' N, 103° 33.1' W; unknown, , Specimen Label
Emergent in stream, with Berula. Flower white. Phenology: flowering.