Lycopus americanus (2002)
LAMIACEAE
Lycopus americanus Muhl. ex W. P. C. Barton
U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: along Sand Creek above and below confluence with Coal Draw, ca 20 air mi NW of Bill; ca 46 air mi NNW of Douglas.
Wet meadows and flats along stream channel. Phenology: flowering & fruiting.
Annotations:
1. Lycopus americanus Muhl. ex W. P. C. Barton
Annotated by Peter J. Ebertowski.
with Peter Ebertowski
Accession: RM (unaccessioned)

Lycopus americanus (2002)
LAMIACEAE
Lycopus americanus Muhl. ex W. P. C. Barton
U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: Turner Creek on Forest Road 914, ca 11.5 air mi ESE of Upton; ca 16 air mi NW of Newcastle.
Creek bank. Phenology: flowering & fruiting.
Accession: RM (unaccessioned)

Lycopus americanus (2002)
LAMIACEAE
Lycopus americanus Muhl. ex W. P. C. Barton
U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: West Plum Creek on Plum Creek Road, ca 6.5 air mi NW of Newcastle; ca 21 air mi SE of Upton.
Grassy creek floodplain with willows and cottonwood. Phenology: flowering & fruiting.
Accession: RM (unaccessioned)

U.S.A., Wyoming, Converse County: Thunder Basin National Grassland and Vicinity: Stinking Water Creek on County Road 31, ca 34 air mi SSW of Wright; ca 42 air mi NNW of Douglas.
Grassy creek bottom. Phenology: flowering & fruiting.
Peter J. Ebertowski, 2674. 8/5/2002.

U.S.A., Wyoming, Weston County: Thunder Basin National Grassland and Vicinity: along West Plum Creek on Plum Creek or County Road 30, ca 6.5 air mi NW of Newcastle, ca 7 air mi ESE of Osage.
Elev. 4460 ft.
Edge of low creek bank. Phenology: flowering & fruiting.
Peter J. Ebertowski, 3711. 9/1/2002.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: ridge E of Short Creek, on road continuing Forest Road 1246, ca 34 air mi NW of Moorcroft; ca 24 air mi N of Gillette.
Spring. Phenology: flowering & fruiting.

U.S.A., Wyoming, Campbell County: Thunder Basin National Grassland and Vicinity: Little Powder River, on Wyo Hwy 59, ca 11 air mi N of Gillette; ca 30 air mi NW of Moorcroft.
Seep in hillside ravine, with boxelder. Phenology: flowering & fruiting.

U.S.A., Idaho, Fremont County: Snake River Plains: along west side of Sand Creek ca 14 mi NNE of St Anthony.
Elev. 5300 ft.
Riparian area along creek with Populus balsamifera, Populus tremuloides, Carex lanuginosa, and Lycopus americanus.

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: picnic turn-out along west side of Montana Hwy 419, in foothills ca 4.5 mi SW of Nye.
Elev. 4880 ft.
Wet soil along run of warm spring with Carex hystericina, Berula erecta, and Lycopus americanus. Phenology: vegetative only.
Accession: RM 611160

U.S.A., Arizona, Coconino County: Coconino National Forest: Macks Crossing on East Clear Creek.
T14N R12E S8
In shade Phenology: flowering & fruiting.
Annotations:
1. Lycopus americanus Muhl. ex W. P. C. Barton
Annotated by Charles Feddema in 1978.
Accession: RM 345797

U.S.A., Arizona, Coconino County: Coconino National Forest: Macks Crossing on East Clear Creek.
T14N R12E S8
In shade Phenology: flowering & fruiting.
Annotations:
1. Lycopus americanus Muhl. ex W. P. C. Barton
Annotated by Charles Feddema in 1978.
Accession: RM 345798

U.S.A., Idaho, Washington County: Payette National Forest and Vicinity: Weiser River Valley: Burton Lane ditch just S of U.S. Hwy 95, ca 1 air mi SE of Cambridge; ca 16 air mi SW of Council.
Weedy roadside irrigation ditch. Phenology: flowering & fruiting.
with Erin Peters

U.S.A., New Mexico, Grant County: Mangas Springs.
T2S R14W S8
Phenology: fruiting.

U.S.A., South Dakota, Pennington County: Buffalo Gap National Grassland and Vicinity: ca 22 air mi ENE of Hermosa and 1 mi W of Swinehart Hill on Rapid Creek.
On the banks of the creek. Phenology: flowering.

U.S.A., South Dakota, Custer County: Buffalo Gap National Grassland and Vicinity: ca 15.5-16 air mi SSE of Hermosa, French Creek.
Along banks of creek. Soils are silty and mucky in creek bottom. Phenology: flowering & fruiting.
with Steve Popovich

U.S.A., Nebraska, Sioux County: Oglala National Grassland and Vicinity: ca 12 air mi NW of Crawford in Little Cottonwood Creek.
Perennial stream, soils are sand and loamy clay. Phenology: flowering & fruiting.

U.S.A., South Dakota, Jackson County: Buffalo Gap National Grassland and Vicinity: ca 12 air mi SW of Kadoka.
In wetland reservoir, soils are clay loam muck. Phenology: flowering.

U.S.A., Oregon, Wallowa County: Blue Mountains: Umatilla National Forest: east side of pond on north side of Forest Service Road 6214, ca 1/4 air mi E of Hoodoo Trailhead, ca 7.5 air mi W of Troy.
T6N R42E S29
Edge of pond with Carex vesicaria, Mentha arvensis, Eleocharis palustris. Phenology: vegetative only.

U.S.A., Wyoming, Crook County: Black Hills, Redwater Creek ca 2.2 air mi WNW of Beulah.
Streambank. Phenology: fruiting.
Accession: RM 377621, Barcode: RM0248615

U.S.A., Wyoming, Crook County: Black Hills, Bear Lodge Mountains, Lytle Creek Reservoir, ca 2 air mi E of Devils Tower.
Margins of reservoir. Phenology: fruiting.
Accession: RM 377620, Barcode: RM0248616

U.S.A., Wyoming, Crook County: Black Hills, Coal Divide just N of I-90 (near parking area), ca 9 air mi SW of Sundance.
Ponderosa pine-bur oak forest, moist draw. Phenology: fruiting.
Accession: RM 377619, Barcode: RM0248617

U.S.A., Wyoming, Platte County: Wetlands and Adjacent Areas: wetlands below Glendo Dam, North Platte River, ca 17 air mi NE of Guernsey.
Marshy banks. Phenology: flowering.

U.S.A., Wyoming, Fremont County: Wetlands and Adjacent Areas: Ocean Lake, ca 18 air mi NW of Riverton.
Moist shoreline and flood plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Wetlands and Adjacent Areas: North Platte River, ca 4 air mi SE of Glendo.
Moist flood plains. Phenology: flowering & fruiting.

U.S.A., Wyoming, Weston County: Wetlands and Adjacent Areas: Plum Creek, ca 6 air mi NW of Newcastle.
Moist creek bank. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Wetlands and Adjacent Areas: Oak Creek, ca 16 air mi NW of Beulah; ca 24 air mi NE of Sundance.
Damp creek bed and banks. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Camp Guernsey: on south bank of North Platte River, ca 0.1 km S of Cantonment, ca 0.1 km N of Oregon Trail.
Elev. 1450 m.
Riverine on gentle to moderate slope in sand with Elaeagnus angustifolia, and Carex spp. Phenology: fruiting.
with D. Hazlett

U.S.A., Wyoming, Platte County: Camp Guernsey: Warm Springs Canyon, near Emigrant Trail, ca 1.6 km WSW of Lucindy Rollins Grave.
Elev. 1350 m.
Riparian on level gravelly sand with Juniperus scopulorum, Agrostis stolonifera, Veronica anagallis-aquatica, Populus, and Juncus spp. Phenology: fruiting.
with Donald L. Hazlett

U.S.A., Wyoming, Niobrara County: Lusk.
Dry stream bank with Lythrum salicaria, and Phalaris. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: Fort Laramie National Historic Site: along the Laramie River.
42° 12' N, 104° 32.2' W; unknown, , GPS reading
On bank of river with Salix, Agrostis and Verbena. Rare; white flowers. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Southeastern Plains: Sprager Creek, ca 6 mi NW of Midway.
Tall stand of Scirpus validus with scattered patches of Leersia and Eleocharis sp.; on hummocky streambed associated with small seeps. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Southeast Plains: tributary of Bear Creek, ca 25 air mi N of Cheyenne; ca 8 mi W of I-25.
Salix exigua community with patches of Symphoricarpos occidentalis and an understory of Elymus canadensis, Carex lanuginosa, and Solidago canadensis on sandy-gravel floodplain. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Southeastern Plains: Cooney Creek, near Cooney Hills Road, ca 5.5 mi SW of junction with Palmer Canyon Road SW of Wheatland.
Salix exigua/S. amygdaloides community on fine sandy alluvium with patches of coarse sand and gravel in floodplain; understory with Echinochloa muricata, Agrostis stolonifera, Polypogon monspeliensis, and Asclepis sp. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Southeast Plains: Spring Creek, ca 2 mi S of Ridge Road; ca 10 mi W of Glendo.
Young stand of Populus angustifolia growing along stream channel in rocky-sandy soil; sparse understory of Agrostis stolonifera and various forbs. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Eastern Plains: Cheyenne River Basin: Stinkingwater Creek on east side of Ross Road, ca 10 mi SE of Ross.
Moist, densely vegetated Carex lanuginosa/Agrostis stolonifera/Panicum virgatum community at edge of Scirpus pungens/Typha latifolia marsh; soil alkaline-loam. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Southeastern Plains: F. E. Warren Air Force Base: banks of Diamond Creek, ca 0.15 mi upstream of confluence with Crow Creek on the west side of Cheyenne.
41.149° N, 104.8681° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!
Floodplain terrace with dense cover of Juncus balticus, Agrostis stolonifera, and Cirsium arvense on gravelly alluvium. Phenology: fruiting.
with Bonnie Heidel, and Scott Laursen

U.S.A., South Dakota, Fall River County: Erskine-Hot Springs.
T7S R5E S10
Along stream. Phenology: flowering.

U.S.A., South Dakota, Custer County: Black Hills: Black Elk Wilderness: Trail # 7 along tributary to Grizzly Bear Creek, ca 8.0 air mi NE of Custer.
Ponderosa pine and bur oak; beside stream. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Black Hills: Black Elk Wilderness: Grizzly Bear Creek downstream from Centennial Trail (#89) S of Mount Rushmore, ca 7.8 air mi SE of Hill City.
Ponderosa pine, paper birch, and white spruce association; along creek. Phenology: flowering.

U.S.A., South Dakota, Custer County: Custer State Park: Center Lake.
Grassy shoreline of lake. Common. Phenology: flowering.
with James R. Johnson

U.S.A., South Dakota, Pennington County: Keystone: Grizzly Bear Creek.
T2S R6E S8
Near water. Phenology: flowering.

U.S.A., South Dakota, Lawrence County: Along I-90, ca 2 mi E of Wyoming state line, S of highway.
Pond and marshy area S of highway. Phenology: flowering.
with Hollis Marriot and Gael Fonken

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

U.S.A., South Dakota, Lyman County: Fate Dam.
Shoreline. Common. Phenology: flowering.
Stephen Van Sickle, 336. 8/14/1982.

U.S.A., South Dakota, Lyman County: Brakke Lake.
Shoreline. Frequent. Phenology: flowering.
Stephen Van Sickle, 353. 8/15/1982.

U.S.A., Wyoming, Albany County: Laramie Range: along Horseshoe and Soldier creeks, ca 20 air mi SE of Douglas.
Creekside, granite outcrops, and mountain meadow. Phenology: flowering.
with J. Brondum and T. McGowan

U.S.A., Colorado, No county County: Central Colorado.
Phenology: flowering & fruiting.
Annotated by Aven Nelson.
Earl L. Johnston, 495. //1907.

U.S.A., Colorado, Weld County: 25 mi NNE of Fort Collins; 3 mi SE of Carr; along Lone Tree Creek.
T10N R66W S6
Riparian habitat with Scirpus, Agrostis stolonifera and Juncus. Phenology: flowering & fruiting.
with T. Andrews

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

U.S.A., Colorado, Weld County: Grover: West Pawnee: Adams Reservoir.
Phenology: flowering & fruiting.

U.S.A., Colorado, Montrose County: Bedrock, CO.
Moist shaded river bottom. Phenology: flowering & fruiting.

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

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

U.S.A., Colorado, Weld County: New Windsor.
George E. Osterhout, 2355. 8/4/1901.

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

U.S.A., Colorado, Weld County: New Windsor.
George E. Osterhout, 75. 7//1893.

U.S.A., Colorado, Larimer County: Fort Collins: E along river.
Along river. Phenology: flowering & fruiting.

U.S.A., Colorado, Boulder County: City of Boulder Open Space: Doudy Draw: Spring Creek.
Creek slough with Festuca pratensis, Carex scoparia, C. stipata, Juncus saximontanus. Phenology: flowering & fruiting.

U.S.A., Colorado, Baca County: Breaks of Picture Canyon.
T35S R47W S6; also S7
Cattail slough in canyon bottom. Phenology: flowering & fruiting.
with R. C. Wittmann

U.S.A., Arizona, Coconino County: Coconino National Forest: Macks Crossing on E Clear Creek.
In shade Phenology: flowering & fruiting.
Annotated by Charles Feddema in 1978.

U.S.A., Arizona, Coconino County: Coconino National Forest: Macks Crossing on E Clear Creek.

U.S.A., Wyoming, Albany County: Laramie Range: along North Laramie River.
Along river. Phenology: fruiting.
with T. McGowan & J. Brondum

U.S.A., New Mexico, Sandoval County: Jemez Mountains: Bandelier National Monument: mouth of Canyon de los Frijoles at White Rock Canyon along the Rio Grande and at Frijoles Spring.
Disturbed flats along the river, river edge, and seep. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Laramie Mountains: Cottonwood Creek above the falls, ca 23 air mi NW of Wheatland; ca 11 air mi ENE of Laramie Peak.
Stream bank and bench. Phenology: flowering.
with Jan Pollet

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
Stream channel. Phenology: flowering.
with Jan Pollet

U.S.A., Wyoming, Platte County: [location and coordinates withheld]
River bank. Phenology: flowering & fruiting.
with Jan Pollet

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Goshen Hole: ca 1-1.5 mi SW of Torrington, S of golf course along North Platte River.
In gravelly soil in marshy area along river with Polygonum and Rumex. Common.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Goshen Hole: UW Experimental Farm, ca 2.3 air mi NW of Torrington, ca 7.3 air mi SE of Lingle on U.S. Hwy 26.
42.793° N, 104.2208° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO!
In sandy soil along an irrigation ditch with Bidens and Polygonum. Common. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Goshen Hole: ca 0.5 mi N of U.S. Hwy 26, back of UW Experimental Farm along North Platte Ditch, ca 2.3 air mi NW of Torrington, ca 7.3 air mi SE of Lingle.
In sandy soil along irrigation ditch with Aster. Common. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Hartville Uplift: Patten Creek, ca 16 air mi SSE of Glendo.
Wet sedge meadows along creek. Phenology: fruiting.

U.S.A., Wyoming, Campbell County: [location and coordinates withheld]
Pond in creek, and adjacent plains/meadow; edge of pond. Phenology: fruiting.

U.S.A., Wyoming, Johnson County: [location and coordinates withheld]
Sandy flats along lake, edges and meadows along creek; meadow. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Powder River Basin: North Platte River, ca 6.5 air mi E of Glenrock.
Floodplain of river, willow thicket, small backwater, sandy terrace above river, sagebrush plains; edge of thicket, near rise. Phenology: 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: 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: fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: NE of Glomill Reservoir off County Road 125, ca 12 air mi W of Yoder; ca 21 air mi SW of Torrington.
41.9° N, 104.5279° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
Moist swales and wet depressions on rolling chalky plains. Phenology: fruiting.

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along the North Platte River ca 0.5-0.8 mi above the mouth of Wagon Hound Creek, ca 6.8 air mi S of Douglas.
Wet area in old overflow channel and thickets along the edges. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Indian Creek off Hat Creek or County Road 64, ca 16 air mi NE of Lusk; ca 19.8 air mi NW of Van Tassell.
Edge of stream. Phenology: flowering & fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: along North Platte River just below mouth of Laramie River, at east edge of Fort Laramie National Historic Site, ca 1.3 air mi SSW of Fort Laramie; ca 20 air mi WNW of Torrington.
River bank. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Goshen Hole: between Horse Creek and Table Mountain on Wyoming Game and Fish Table Mountain Wildlife Habitat Management Area, ca 4 air mi SSE of Huntley; ca 14 air mi S of Torrington.
Moist to wet disturbed area. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: [location and coordinates withheld]
Along the edge of a small stream channel through cottonwood-Russian olive-buffalo berry woodland. Phenology: 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.
Moist to wet meadows in the stream bottom. Phenology: flowering.
with Tim Chumley and Robbin Romberg

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Bear Creek ca 3/4 mi W of the mouth of Dater Creek and ca 4 air mi S of Castle Rocks, ca 11 air mi W of La Grange; ca 30 air mi SSW of Torrington.
Sand banks and wet stream margin. Phenology: flowering & fruiting.
with Tim Chumley and Robbin Romberg

U.S.A., Wyoming, Converse County: Southern Powder River Basin/Southeastern Plains: Southern Powder River Basin: along Sand Creek ca 1/4 mi W of Hornbuckle Draw, ca 46 air mi NNW of Douglas; ca 25 air mi WNW of Bill.
Meadows and stream bank. Phenology: flowering.
with Tim Chumley and Robbin Romberg

U.S.A., Wyoming, Platte County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Chugwater Creek, ca 0.5 air mi N of Bordeaux, ca 9.5 air mi SE of Wheatland.
Steep creek bank and sand bars. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Rawhide Creek ca 2.3 air mi SW of Tea Kettle Rock and ca 0.5-1 air mi N of the Interstate Canal, ca 7 air mi NE of Lingle, ca 11.3 air mi NNW of Torrington.
Stream bank and adjacent low lying areas. Phenology: flowering & fruiting.
with Tim Chumley

U.S.A., Wyoming, Niobrara County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: along Muddy Creek off Spanish Diggings or County Road 34 ca 3 air mi E of Converse County, ca 13.8 air mi SW of Manville, ca 20.5 air mi WSW of Lusk.
Wet meadows and at the edge of the stream. Phenology: flowering & fruiting.

U.S.A., Wyoming, Niobrara County: Lusk.
Dry stream bank with Lythrum and Phalaris.

U.S.A., Wyoming, Converse County: [location and coordinates withheld]
Sandy soil along river and railroad. Phenology: vegetative only.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: along Pine Creek, ca 8 air mi NNW of Aladdin; ca 25 air mi NNE of Sundance.
In and around a dried pond. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Jane Draw, ca 2.3 air mi NNE of Aladdin, ca 21 air mi NE of Sundance.
Dry reservoir. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: along North Redwater Creek, ca 3 air mi W of Farrall, ca 12.5 air mi NNE of Sundance.
Edge of stream and sand bars. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: at the mouth of Twomile Creek on North Redwater Creek, ca 4.3 air mi W of Farrall, ca 12.5 air mi N of Sundance.
Edge of stream and sand bars. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: along Inyan Kara Creek, ca 5 air mi E of Keyhole Reservoir, ca 15 air mi W of Sundance.
Creek banks. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Houston Creek along I-90, ca 12.5 air mi SW of Sundance.
Creek bed. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Planting Spring, ca 2.4 air mi E of Alva, ca 10.4 air mi E of Hulett.
Drained beaver ponds. Phenology: vegetative only.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Deciduous woods along creek. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Miller Creek, Garman Ranch; ca 9.5 air mi SSE of Devils Tower.
Streambanks. Phenology: vegetative only.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Lytle Creek Reservoir, ca 2 air mi E of Devils Tower.
Wet soil along reservoir margins. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Houston Creek where it turns south (near Harvey Divide), ca 10 air mi W of Sundance.
Grassland, reservoir margins. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills, Belle Fourche River near Mona, ca 14.5 air mi NNE of Hulett.
Riverbank. Phenology: fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Big sagebrush-grassland, reservoir, on drying mud. Phenology: fruiting.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Creek bottom in grassland, on mud. Phenology: fruiting.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Aspen woods, edge of creek. Phenology: fruiting.

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Ponderosa pine forest on NE-facing slope and canyon bottom. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Inyan Kara Mtn, E half.
T49N R62W S20
Draw E of Mtn, marshy area with boxelder. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Belle Fourche River: ca 16 air mi NE of Alva.
Shale bluffs, river bottoms, and sagebrush plains above; river bottom. Phenology: vegetative only.

U.S.A., Wyoming, Crook County: Black Hills: Geis Springs and vicinity, ca 5 air mi E of Alva.
Ponds and pond margins and adjacent oak woodlands and prairies; pond margin. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: ca 3 air mi NNE of Aladdin.
Prairie, wooded stream bottom, and sandstone outcrops; floodplain. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: lower slopes of Hooker Peak and plains to the NW, 7-8 air mi SSE of Sundance.
Plains, Pinus ponderosa wooded slopes, moist open drainages and stock pond; moist drainage. Phenology: fruiting.

U.S.A., Colorado, Baca County: Comanche National Grassland: Carrizo Creek, Carrizo Canyon, ca 29 air mi SW of Springfield.
Near picnic area along creek. Hillside and lush creek banks. Uplands dominated by Bouteloua spp. and scattered Rhus aromatica. Creek banks with Salix exigua and Typha. Phenology: flowering & fruiting.
Annotated by Bernadette Kuhn.
with Amy Tomson

U.S.A., Colorado, Baca County: Comanche National Grassland: at and ca 0.5 mi S of Picture Canyon Picnic Area, ca 10.5 mi SW of Campo and ca 1 mi N of Oklahoma.
Sandstone bluffs, cliffs, and riparian; sandy soil. Phenology: flowering & fruiting.
Annotated by Brian Elliott.

U.S.A., New Mexico, Colfax County: Vermejo Park Ranch: at east base of a small hill below water supply tower 1.5 air mi SW of Cimarron.
Seeps and wet depressions on side of hill, with Juncus spp., Eleocharis macrostachya, Asclepias incarnata, Schoenoplectus spp., and Typha domingensis. Corolla pale lilac; plants abundant in wet soil. Photographed. Specimen GPS: 36.504116, -104.940475. Phenology: flowering.
Annotated by Ben Legler on 5/2/2009.

U.S.A., Montana, Powder River County: Custer National Forest: Ashland District: Cow Creek Reservoir ca 6 air mi W of Fort Howes Work Center, ca 25 ai mi S of Ashland.
Banks of reservoir, adjacent slopes, and dam. Phenology: flowering & fruiting.
Accession: USFS 888740, Barcode: USFS0030808

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: at the mouth of Spring Canyon and just below at the northwest base of Rustler Ridge, ca 20.5 air mi SE of Ekalaka.
Bushy stream bank and adjacent moist bench in open ponderosa pine forest. Phenology: flowering & fruiting.
Accession: USFS 888739, Barcode: USFS0030807

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: in and around Blacks Pond off of Forest Road 4021, ca 17 air mi S of Ashland.
Grass-dominated slope above reservoir. Phenology: flowering & fruiting.
Accession: USFS 884814, Barcode: USFS0049914

U.S.A., Montana, Carter County: Custer National Forest: Ekalaka Hills: in the vicinity of Russel Spring just S of Camp Needmore off of Forest Road 3104, ca 6.5 air mi SE of Ekalaka.
Moist riparian area dominated by grasses. Phenology: flowering & fruiting.

U.S.A., Montana, Carter County: Custer National Forest: Long Pines: in Cheesman Draw, just NE of Pioneer Cemetery off of Forest Road 3045, ca 8.5 air mi WNW of Camp Cook, SD.
In and near margin of reservoir. Phenology: fruiting.

U.S.A., Colorado, Huerfano County: [location and coordinates withheld]
Around a large pond; riparian. Phenology: flowering.
with Pete Schneider

U.S.A., Montana, Powder River County: Custer National Forest: Ashland Ranger District: in the vicinity of Mud Turtle Reservoir, N of Forest Road 4432, ca 3 air mi NW of Diamond Butte, ca 25.5 air mi SE of Ashland.
Grazed draw dominated by green ash and Symphoricarpos. Phenology: flowering.

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: Tongue River Breaks Hiking and Riding Area: in the vicinity of Black Eagle Spring N of Forest Road 4023, ca 3.5 air mi WNW of Poker Jim Butte, ca 19 air mi SSW of Ashland.
Hardwood draw dominated by Crataegus and Prunus. Phenology: flowering.
Accession: (unaccessioned), Barcode: USFS0050622

U.S.A., Montana, Gallatin County: Bozeman.
Phenology: flowering.

U.S.A., Montana, Missoula County: Island of the Clark Fork River, N of Univeristy of Montana Campus.
Open depression inside a thicket of Salix exigua. Common in several other places. Phenology: flowering.
Klaus H. Lackschewitz, 9121. 8/5/1979.

U.S.A., Montana, Flathead County: Belton.
Swamp. Phenology: flowering.

U.S.A., Montana, Missoula County: Blackfoot Valley: Seeley Lake: near Knopp place.

U.S.A., Montana, Flathead County: Belton.

U.S.A., Montana, Carbon County: Long Pines Area SE of Ekalaka.
Wet drainageway with Ranunculus, Bidens. Phenology: flowering.

U.S.A., North Dakota, Ward County: Des Lacs National Wildlife Refuge: west side of Upper Des Lacs Lake, 3 mi S of U.S. Highway 52 bridge.
Mucky lake shore. Phenology: flowering.
Neil Hotchkiss, s.n.. 7/27/1942.

U.S.A., Nebraska, Sioux County: Monroe Canyon ca 7 mi N of Harrison.
Stream bank with Solidago, Aster. Phenology: flowering.

U.S.A., North Dakota, Bottineau County: Lake Metogoshe.
Sandy shores of lake; also in woods; humus and sandy loam soils. Phenology: vegetative only.

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

Lycopus americanus ()
U.S.A., South Dakota: Sand Lake.
Phenology: vegetative only.
David Griffiths, s.n.. //.

U.S.A., South Dakota, Marshall County: Buffalo Lake: Public Access Area on west side of lake.
Sandy gravelly lake shore. Common. Phenology: flowering.

U.S.A., South Dakota, Kingsbury County: Lake Henry.
Among tall grasses and sedges at edge of marsh. Common. Phenology: vegetative only.

U.S.A., South Dakota, Faulk County: Lake Faulkton.
Bank along lake margin. Common. Phenology: vegetative only.

Lycopus americanus ()
U.S.A., Nebraska, Gage County:
Phenology: vegetative only.
W. C. Knight, s.n.. //.

Lycopus americanus ()
U.S.A., Nebraska, Gage County:
W. C. Knight, s.n.. //.

U.S.A., Nebraska, Kearney County: Minden.
Phenology: vegetative only.
Harry Hapeman, s.n.. 8/18/1891.

U.S.A., Nebraska, Kimball County: North side Lodgepole Creek: 1.7 mi NNE of Pine Bluffs, WY: E of road dividing sections 11 and 12.
T14N R59W S12
Wet meadow; creek bank in water. Phenology: vegetative only.
Karin M. Guernsey, 65. 7/1/1987.

U.S.A., Nebraska, Sheridan County: Metcalf Public Hunting Grounds, 13 mi N of Hay Springs.
Open ridges and Pinus ponderosa forest; creek bottom. Phenology: vegetative only.

U.S.A., Montana, Valley County: Charles M. Russell National Wildlife Refuge: Cut Throat Coulee at terminus of Refuge Road 325, ca 4.5 air mi N of Bonetrail Boat Ramp, ca 44 air mi WSW of Fort Peck; ca 43 air mi SW of Glasgow.
Coulee bottom and sides shaded by ponderosa pine forest on the north-facing slopes on sandy to clay soil. Phenology: flowering & fruiting.
Joseph L. M. Charboneau, 8578. 8/2/2011.

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: in and around Blacks Pond off of Forest Road 4021, ca 17 air mi S of Ashland.
Grass-dominated slope above reservoir. Phenology: flowering & fruiting.
Accession: (unaccessioned), Barcode: USFS0050253

U.S.A., Montana, Rosebud County: Custer National Forest: Ashland Ranger District: Tongue River Breaks Hiking and Riding Area: in the vicinity of Black Eagle Spring N of Forest Road 4023, ca 3.5 air mi WNW of Poker Jim Butte, ca 19 air mi SSW of Ashland.
Hardwood draw dominated by Crataegus and Prunus. Phenology: flowering.

U.S.A., Wyoming, Crook County: Devils Tower National Monument: southwest part of Monument in vicinity of Spring #3.
521677E, 4936939N; NAD 83, Specimen Label
In wet area below spring box. Phenology: flowering & fruiting.

U.S.A., Wyoming, Platte County: Northwest side Festo Lake ca 2 mi NW of Wheatland.
42° 4.7' N, 105° 0.1' W; unknown, , GPS reading
Lake shore, with Schoenoplectus acutus and Sonchus. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Southeastern Plains: F. E. Warren Air Force Base: Diamond Creek, ca 0.3 mi SW of confluence with Crow Creek, on north side of Frontier Avenue, W of Cheyenne.
Moist edge of cattail marsh and subirrigated meadow at toe of dry slope. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Planting Springs.
Wet bottom with Ranunculus and Stellaria. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Deadhead Creek, 6 road mi E of Wyo Hwy 34, 12 road mi SW of Wheatland.
Creekbanks and creekbed. Phenology: fruiting.

U.S.A., Wyoming, Platte County: North Platte River, S of U.S. Hwy 26, 0.5 road mi S of Guernsey.
42.2558° N, 104.7243° W; NAD 83, uncertainty .5 mi., Nat. Geog. TOPO!
Phenology: fruiting.

U.S.A., Wyoming, Platte County: Along Cottonwood Creek, 29 road mi NW of Wheatland.
Elev. 1616 m.
Creekbanks, live water. Phenology: vegetative only.

U.S.A., Wyoming, Platte County: Cottonwood Creek, 32 road mi NW of Wheatland.
Creek bank, dry. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Along Kinney Creek, 32 road mi NW of Wheatland.
Creek banks, dry, usually wet early spring and summer. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Cottonwood Creek, 29 road mi NW of Wheatland.
42.2979° N, 105.2141° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO!
Creek banks, live water. Phenology: fruiting.

U.S.A., Wyoming, Goshen County: Wyoming Game and Fish Department's Rawhide unit along the North Platte River, ca 2.3 air mi S of Lingle, ca 8.5 air mi WNW of Torrington.
Wet gravelly areas. Phenology: fruiting.
Steve Kilpatrick, RH148. 7/20/1982.
with J. L. Robinson

U.S.A., Wyoming, Sheridan County: Little Goose, above Sheridan.
Slough banks. Phenology: vegetative only.

U.S.A., Wyoming, Albany County: Laramie Mountains: Laramie River at diversion tunnel to Bluegrass Creek.
41.9237° N, 105.4237° W; NAD 83, uncertainty 0.5 mi., Digital Map
Meadows along the river. Phenology: fruiting.

U.S.A., Wyoming, Platte County: Uva.
Wet bottom lands. Phenology: fruiting.

U.S.A., Wyoming, Sheridan County: East pasture swamp.
Swamps. Phenology: fruiting.

U.S.A., Wyoming, Johnson County: Buffalo.
Phenology: fruiting.

U.S.A., Wyoming, Platte County: Whalen Canyon.

U.S.A., Wyoming, Albany County: Laramie.

U.S.A., Wyoming, Goshen County: Southern Powder River Basin/Southeastern Plains: Southeastern Plains: Goshen Hole: ca 1-1.5 air mi SW of Torrington, S of the golf course along the North Platte River.
In gravelly soil in a marshy area along the river with Polygonum and Rumex. Common. Phenology: fruiting.

U.S.A., Wyoming, Sheridan County: TWhitney Coal Site: along Tongue River.
On moist soil and gravel of bank along river; riparian woodlands. Acme Quadrangle. Phenology: fruiting.
with I. J. Mayer

U.S.A., Wyoming, Platte County: Wheatland.
Wet low ground. Phenology: fruiting.

U.S.A., Wyoming, Crook County:
44.6828° N, 104.3523° W; NAD 83, uncertainty .5 mi., Nat. Geog. TOPO!
Edge of beaver pond with Mentha, and Carex. Phenology: fruiting.

U.S.A., Wyoming, Laramie County: Diamond Creek.
Wet ditch with Scirpus, and Glyceria. Corolla white. Phenology: fruiting.