Lilium philadelphicum (1996)
LILIACEAE
Lilium philadelphicum L.
U.S.A., Colorado, Park County: East-central Colorado: Mosquito Range to Plains: Platte River Mountains: Freeman Creek: along the creek and adjacent ridges ca 1.6 air mi W of intersection with Rolling Creek Trail or Forest Trail 663, ca 6.3 air mi SE of Bailey.
On moist banks and slopes along the creek in Douglas fir forest with occasional aspen groves and spruce. Phenology: fruiting.
Accession: 957298, Barcode: RM0209427

Lilium philadelphicum (1991)
LILIACEAE
Lilium philadelphicum L.
U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: ca 0.5 mi N of Emerald Lake along west side of West Rosebud Creek, ca 25 mi W of Red Lodge.
Elev. 6300 ft.
Open seepage along creek with small Pinus contorta, Arnica mollis, Mertensia ciliata, and Carex canescens. Phenology: flowering.
Accession: RM 739707

Lilium philadelphicum (1991)
LILIACEAE
Lilium philadelphicum L.
U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: west side of Sioux Charley Lake, ca 36 mi S of Big Timber.
Elev. 5600 ft.
Meadow openings with some scattered Pinus contorta and with Viola corymbosa, Allium brevistylum, Geum macrophyllum, and Sanicula marilandica.
Accession: (unaccessioned)

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: west side of East Rosebud Lake; 20 mi W of Red Lodge.
Elev. 6208 ft.
Moist soil along lakeshore. Phenology: flowering.
Accession: RM 781385

U.S.A., Montana, Stillwater County: Beartooth Mountains: Custer National Forest: Emerald Lake Campground: between West Rosebud Creek and the campground, 25 mi WNW of Red Lodge.
Spruce swamp with Picea glauca, Picea engelmannii, Carex leptalea, Carex disperma, Equisetum arvense, and Pyrola asarifolia. Phenology: flowering.
Accession: RM 781014

U.S.A., Montana, Stillwater County: [location and coordinates withheld]
Douglas fir-aspen woodland with Lilium philadelphicum, Lupinus argenteus, Spiraea betulifolia, and Fragaria vesca. Phenology: flowering.

U.S.A., Colorado, Larimer County: Roosevelt National Forest: Front Range: Rist Canyon along County Road 52E, ca 10 air mi W of Fort Collins.
Aspen groves in canyon with lush understory and Lilium philadelphicum. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: Pole Mountain Region.
41.2319° N, 105.3901° W; NAD 83, uncertainty 5 mi., Digital Map
In aspen woods [around beaver ponds]. Rare; flowers orange, spotted at the base within. Phenology: flowering.
Accession: RM 207316, Barcode: RM0152514

U.S.A., South Dakota, Custer County: Black Hills: northern part of Wind Cave National Park.
Occasional in open Ponderosa Pine forest. Phenology: flowering.
Accession: RM 247924, Barcode: RM0154650

U.S.A., Wyoming, Albany County: Pole Mountain Region: Laramie Range along the middle fork of Pole Creek.
41.2716° N, 105.4138° W; NAD 83, uncertainty 1 mi., Digital Map
Moist grassy meadow along stream. Phenology: flowering.
Accession: RM 249385, Barcode: RM0152515

U.S.A., Wyoming, Crook County: Bear Lodge Range: Reuter Canyon, 5 mi N of Sundance.
44.433° N, 104.4229° W; NAD 83, uncertainty 0.75 mi., Digital Map
Common, open pine forest. Phenology: flowering.
with Marjorie W. Porter

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

U.S.A., New Mexico, San Miguel County: Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Gallinas Creek from end of County Road 263, 20 air mi NW of Las Vegas; Trail 216, 1.2 air mi NW of road.
Canyon bottom and lower slope, trailside, through spruce/fir forest; granite bluffs constricting canyon in places. Phenology: flowering.

U.S.A., Wyoming, Carbon County: Whiskey Gap.
Moist woods. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Peak.
In the dense moist woods. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Peak Trail.
Several plants in a wet, mossy sedge meadow, aspen grove. Phenology: flowering.

U.S.A., Wyoming, Johnson County: Between Sheridan and Buffalo.
Rolling plains; thickets. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Range: Medicine Bow National Forest: Pole Mountain District: W of Eagle Rock, along the North Branch Middle Fork Lodgepole Creek.
Moist bottomland along the creek; in open patches between willows, juniper, Potentilla fruticosa. Phenology: flowering.

U.S.A., Wyoming, Albany County: Laramie Mountains: Medicine Bow National Forest: 11 air mi SW of Esterbrook, along Friend Creek on trail to Laramie Peak.
Granite soil parent material, wet area. Phenology: flowering & fruiting.

U.S.A., Wyoming, Albany County: Laramie Range: Medicine Bow National Forest: Pole Mountain District: W of Eagle Rock.
North-facing slope; frequent in moist woody areas, bottom of the slope, along the creek. Phenology: flowering.

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

U.S.A., Wyoming, Sheridan County: Bighorn National Forest: Gin Creek.
Rare in organic loam in open aspen, brush with NE slope of 15%. Phenology: flowering.
Accession: USFS 402674, Barcode: USFS0067638

U.S.A., Wyoming, Sheridan County: Piney Canyon.
Shady banks. Phenology: flowering.

U.S.A., Wyoming, Sheridan County: Little Goose "Ranch."
Rich brushy valleys. Phenology: flowering.

U.S.A., Wyoming, Albany County: Medicine Bow National Forest: 200 yards south of Ranger Station.
Rare in sandy loam in aspen meadow at level slope. Phenology: flowering.
William E. Conley, p-26. 8/5/1927.
Accession: USFS 402675, Barcode: USFS0067637

U.S.A., South Dakota, Lawrence County: Lookout Peak: Spearfish.
T6N R2E S11
Shady north slope; under oaks. Phenology: flowering.

U.S.A., South Dakota, Lawrence County: Lookout Peak: Spearfish.
T6N R2E S11
Shady north slope; under oaks. Phenology: flowering.
Annotations:
Annotated by C. L. Porter in 1960.
Arthur C. McIntosh, 449. 7/4/1924.

U.S.A., South Dakota, Pennington County: Black Hills: Black Elk Wilderness: along Lost Cabin Creek ca 5.7 air mi SSE of Hill City.
South-facing midslope with ponderosa pine and some white spruce. Phenology: flowering.

U.S.A., South Dakota, Custer County: Black Hills National Forest: Mount Draw: 4 mi S of Custer; plot 003.
T4S R4E S21
Loamy clay soil; 11 percent slope; 240 degree exposure; forest grazing vegetation type; Pipo, Aruv, Dain, Sone association; rare. Phenology: flowering.
E. Chester Garreett, 5. 8/1/1967.
Accession: USFS 442111, Barcode: USFS0067640

U.S.A., South Dakota, Custer County: Black Hills National Forest: Mount Draw: 4 mi S of Custer; plot 003.
Loamy clay soil; 11 percent slope; 240 degree exposure; forest grazing vegetation type; Pipo, Aruv, Dain, and Sone association; rare. Phenology: flowering.
E. Chester Garrett, 5. 8/1/1967.
Accession: USFS 442111

U.S.A., South Dakota, Custer County: Black Hills: near Sylvan Lake.
T2S R5E S30
Phenology: flowering.

U.S.A., South Dakota, Lawrence County: Savoy.
Phenology: flowering.
Annotations:
2. Lilium philadelphicum L.
Annotated by C. L. Porter in 1960.

U.S.A., South Dakota, Custer County: Black Hills: The Needles.
T2S R5E S32
Harry Hapeman, s.n.. 6//1939.

U.S.A., South Dakota, Lawrence County: Black Hills: Spearfish Canyon.
T5N R1E S36
Harry Hapeman, s.n.. 6/17/1939.

U.S.A., South Dakota, Lawrence County: Deadwood.
Mesophytic valley; yellow pine-aspen association. Phenology: flowering.

U.S.A., South Dakota, Lawrence County: Lower Spearfish Canyon.
Mesophytic canyon; oak, willow, and Prunus association. Phenology: flowering.

U.S.A., South Dakota, Lawrence County: Deadwood.
Exposed hillsides; yellow pine-grass association. Phenology: flowering.

U.S.A., South Dakota, Lawrence County: Terry Peak above Trojan.
Mountain slopes; second succession; popple and birch association. Phenology: flowering.

U.S.A., South Dakota, Lawrence County: Terry Peak above Trojan.
Mountain slopes; second succession, popple and birch association. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Limestone District: 12 mi W of Deerfield.
Wooded slopes; yellow pine and aspen association. Phenology: flowering.

U.S.A., South Dakota, Lawrence County: Bull Dog Ranch, near Nahant.
Wooded east-facing slope; yellow pine and lodgepole pine association. Phenology: flowering.

U.S.A., South Dakota, Custer County: Black Hills: Black Elk Wilderness: divide between Iron Creek Trail and Grizzly Bear Creek Trail near junction with Harney Peak Trail, ca 1.0 air mi SSE of Harney Peak Lookout Tower.
Northeast-facing slope near ridgecrest; with Pinus ponderosa, Picea glauca, Juniperus communis, and Oryzopsis asperifolia. LOCALITY: NE1/4 NE1/4 S28 (USGS 7.5') G. Bryson Phenology: flowering.
with Patches

U.S.A., South Dakota, Custer County: Jewel Cave National Monument: Lithograph Canyon between east boundary and Porthole [New Portal].
North facing slope near canyon bottom; ponderosa pine forest. Phenology: flowering.

U.S.A., South Dakota, Pennington County: Black Hills: Harney Peak.

U.S.A., South Dakota, Custer County: Along State Route 87/89 just NW of Sylvan Lake.
with Jane P. Nelson

U.S.A., South Dakota, Lawrence County: High (mt.?) in Black Hills.
Mountan side. Phenology: flowering.

U.S.A., Colorado, Archuleta County: Pagosa Springs.
Annotations:
Annotated by C. L. Porter in 1960.
1.
Annotated by Edward L. Greene in 1960.

U.S.A., Colorado, Archuleta County: Pagosa Springs.
1.
Annotated by Edward L. Greene in 1960.

U.S.A., Colorado, Larimer County: Stove Prairie.
Hill. Phenology: flowering.

U.S.A., Colorado, Hinsdale County: Rio Grande National Forest.
T41N R3W
East slope in sandy, moist loam with Fescue, tufted hairgrass and brome. Phenology: flowering & fruiting.
Accession: USFS 442107

U.S.A., Colorado, no county County: Rio Grande National Forest.
Rare in a creek bottom on southeast slope in sandy black loam. Phenology: flowering.
Accession: USFS 442106

U.S.A., Colorado, La Plata County: Bayfield.
River bottom. Phenology: flowering.

U.S.A., Colorado, El Paso County: Crystal Park.
Elev. 2500 m.
with E. S. Clements

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

U.S.A., Wyoming, Albany County: Laramie Range: ca 35 air mi NE of Rock River.
Creekside. Phenology: flowering.
with J. Brondum and T. McGowan
Accession: (unaccessioned)

U.S.A., Colorado, Larimer County: Estes Park: Moraine Park.

U.S.A., Colorado, El Paso County: Colorado Springs: Cheyenne Canyon.
George E. Osterhout, 7899. 10//1932.

U.S.A., Colorado, Larimer County: Moraine Park.
1. Lilium philadelphicum L.
Annotated by B. E. Nelson.
George E. Osterhout, sn. 7/20/1903.

U.S.A., Colorado, Larimer County: Estes Park.
Henrietta L. Zobel, sn. 6/3/1936.

U.S.A., Colorado, Jefferson County: Evergreen.
Elev. 2440 m.
Moist rich woods. Phenology: flowering.

U.S.A., Colorado, Larimer County: Rist Canyon.

U.S.A., Colorado, Las Animas County: Berwind.
Elev. 2500 m.
Jennie M. Archibald, A223. //1900.

U.S.A., Colorado, Boulder County: Allenpark.
with Hedgcock

Lilium philadelphicum ()
U.S.A., Colorado, Montezuma County: Durango.
with N. T. Schedin

U.S.A., Wyoming, Albany County: [location and coordinates withheld]
Creekside. Phenology: flowering.
with J. Brondum and T. McGowan
Accession: (unaccessioned)

U.S.A., Colorado, Huerfano County: West Spanish Peak.
with F. K. Vreeland

U.S.A., Colorado, Douglas County: Pike National Forest: Stormy Peak.
Rare on north slope in wet soil. Phenology: flowering.
Philip V. Woodhead, 17-W. 7/15/1916.

U.S.A., New Mexico, Santa Fe County: Pecos River National forest: Winsor Creek.

U.S.A., Colorado, Custer County: San Isabel National Forest: EE Cress Ranch.
Sparse in wet meadow on stream bank in deep hummus loam. Phenology: flowering.
1. Lilium philadelphicum L.
Annotated by D. W. Hayes.

U.S.A., New Mexico, Colfax County: Philmont Scout Ranch, near Cimarron: Rayado Canyon, 3 mi SE of Fish Camp.
Occasional on wooded slope. Phenology: flowering.

U.S.A., Colorado, Larimer County: Estes Park.
1.
Annotated by Aven Nelson in 1960.

U.S.A., New Mexico, Otero County: Mescalero Apache Indian Reservation: Sacramento Mountains: Tularosa Canyon.
Wharton Huber, sn. 7/7/1931.

U.S.A., Wyoming, Crook County: Green Mountain.
Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Stockade Beaver Creek.
Moist woods. Phenology: fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: ca 1 mi SE of Warren Peaks, ca 5 air mi NW of Sundance.
Moist birch woods with few ponderosa pine. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: Rattlesnake Canyon: ca 4.5 air mi NE of Moskee; ca 14 air mi ESE of Sundance.
Ridgetop logged pine forest. Phenology: flowering.
with Hollis Marriott

U.S.A., Wyoming, Crook County: Black Hills: southeast end of Cement Ridge, ca 8 air mi NE of Moskee; ca 16.5 air mi ESE of Sundance.
Open ponderosa pine woods with brushy understory. Phenology: flowering.
with Hollis Marriott

U.S.A., Wyoming, Crook County: Lake Cook near Sundance.
with Harold F. Eppson

U.S.A., Wyoming, Crook County: Warrens Peak Road N of Sundance.
with C. S. Gilbert

U.S.A., Wyoming, Weston County: [location and coordinates withheld]
Ridge top and northeast facing upper slopes; pine-spruce-aspen forest. Phenology: flowering.
with Dennis Horning

U.S.A., Wyoming, Crook County: Black Hills: Dugout Gulch near confluence with Sand Creek, ca 4.7 air mi SSW of Beulah.
Deciduous woods along creek. Phenology: flowering.
with Bertha Gillam and Sherry Bashor

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Cook Lake, ca 7.2 air mi SSE of Alva.
Wet draws off Taylor Drive, pine-aspen-birch forest. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains, divide and slopes east of Alkali Brook, ca 3.6 air mi NE of Alva.
Pine-oak forest. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: Bear Lodge Mountains: Sheep Nose (Sheep Mountain), ca 6.5 air mi N of Sundance.
Pine-aspen forest on NE facing slope. Phenology: flowering.

U.S.A., Wyoming, Weston County: Black Hills: upper Soldier Creek drainage, ca 5.2 air mi NE of Four Corners.
Moist meadow with willows and aspen. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: near headwaters of Deer Creek; ca 5 air mi SE of Moskee.
Aspen woods. Phenology: flowering.

U.S.A., Wyoming, Crook County: [location and coordinates withheld]
Pine-aspen forest on north-east facing slope (SW of creek). Phenology: flowering.

U.S.A., Wyoming, Crook County: Sundance.
Leland Rutter, s.n.. 6//1892.

U.S.A., Wyoming, Crook County: Black Hills: drainage from Geis Springs to 1.5 mi to the NE, ca 5-6 air mi E of Alva.
Pine woodlands, shaded ravines, logging roads, sandy open slopes, and pond; wooded slope. Phenology: flowering & fruiting.

U.S.A., Wyoming, Crook County: Black Hills: 9.5 air mi E of Sundance.
Ponderosa pine slopes, stream bottom, and meadow; wooded slopes. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: tributary of Shepherd Gulch, ca 8 air mi S of Beulah.
Pinus ponderosa covered slopes and stream bottom; wooded slopes. Phenology: flowering.

U.S.A., Wyoming, Crook County: Black Hills: Mineral Hill, ca 15 air mi ESE of Sundance.
Wooded slopes with Populus tremuloides and Pinus ponderosa, and meadow with stream and beaver ponds; wooded slopes. Phenology: flowering.

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: ridge between Dry Head and Punch Bowl creeks from Crow Indian Reservation boundary SW along trail, ca 28-29 air mi ESE of Bridger.
45.2161° N, 108.3698° W; uncertainty 0.25 mi., GPS reading
Brushy spring and seep area. Phenology: flowering.
Annotated by B. E. Nelson.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: south shore of East Rosebud Lake.
Open, grassy, wet meadow. Phenology: flowering.
Annotated by Emily Elliott.

U.S.A., Montana, Carbon County: [location and coordinates withheld]
Moist, dense forest with thick understory. Phenology: flowering.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: ca 1 mi S of East Rosebud Lake.
45.185° N, 109.6464° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
On damp cliffside. Precariously growing on cliff. Phenology: flowering.
Annotated by Emily Elliott.

U.S.A., Montana, Fergus County: Lewis and Clark National Forest: Little Snowy Mountains: junction of Forest roads 272 and 273.
46.7564° N, 109.0602° W; NAD 83, uncertainty 0.25 mi., GPS reading
Old clear cut; west aspect, 5% slope; limestone bedrock. Phenology: flowering.
1. Lilium philadelphicum L..
Accession: RM (unaccessioned)

U.S.A., Montana, Fergus County: Western base of Little Snowy Mountains.
Grassy meadow. Perianth orange-red, yallowish and purple maculate toward base; anthers purple. Phenology: flowering.
with C. V. Muhlick

U.S.A., Montana, Teton County: 1 mi W of Choteau.
Lowlands. Petals brick red. Phenology: flowering.

Lilium philadelphicum ()
U.S.A., Montana: Beartooth National Forest.
Annotated by Greene.
no collector, s.n.. //.

U.S.A., Montana, Lincoln County: Purcell Mountains: Kootenai National Forest: Yaak River Valley, 0.4 mi below junction of Pete Creek, 26 mi N of Troy.
Flat ground; partial shaded opening; mesic alluvial terrace in Engelmann spruce, western redcedar and western larch forest; with Rubus parviflorus, Aralia nudicaulis. Infrequent. Phenology: flowering.
Annotated by Robert D. Dorn in 1987.

U.S.A., South Dakota: Harney National Forest: Medicine Mountain Road, near Brosmire Ranch.
South slope; clay loam soil; western yellow pine timber forest. Plentiful; widespread. Phenology: flowering.

U.S.A., North Dakota: Grand Forks.
Dry meadows. Phenology: flowering.

U.S.A., North Dakota, Cass County: Kindred.
Moist prairie. Phenology: flowering.
Wilhelm G. Solheim, s.n.. 7/4/1929.
with O. A. Stevens

U.S.A., North Dakota: Webster.
High sandy hills. Phenology: flowering.

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

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

U.S.A., North Dakota, Walsh County: Park River.
Meadow. Phenology: flowering.

U.S.A., South Dakota, Brookings County: Brookings: College Farm.
Tom A. Williams, s.n.. 7/7/1893.

U.S.A., South Dakota, Brookings County: Brookings.
Frank E. Hepner, s.n.. //1898.

U.S.A., Nebraska: Ewing.

U.S.A., North Dakota, Cass County: Kindred.
Prairie. Phenology: flowering.
Wilhelm G. Solheim, 254. 6/4/1929.

U.S.A., Montana, Lincoln County: Rocky Mountain Trench: Dicky Lake: above Hwy 93.
In moist swales in Pseudotsuga forest. Local and uncommon. Phenology: flowering.

U.S.A., Montana, Carbon County: Beartooth Mountains: Custer National Forest: ca 1 mi S of East Rosebud Lake.
45.185° N, 109.6464° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO!
On damp cliffside. Precariously growing on cliff. Phenology: flowering.
Accession: USFS (unaccessioned), Barcode: USFS0048151

U.S.A., Montana, Carbon County: Pryor Mountains: Custer National Forest: ridge between Dry Head and Punch Bowl creeks from Crow Indian Reservation boundary SW along trail, ca 28-29 air mi ESE of Bridger.
45.2161° N, 108.3698° W; uncertainty 0.25 mi., GPS reading
Brushy spring and seep area. Phenology: flowering.
Accession: (unaccessioned), Barcode: USFS0047611

U.S.A., Wyoming, Albany County: Woods Creek Campground 5 mi W of Woods Landing on Wyo Hwy 230.

U.S.A., Wyoming: Wood's Creek.
1. Lilium montanum A. Nelson.

U.S.A., Wyoming, Carbon County: N of Ferris Mountains: along Pete Creek, ca 8 air mi SSW of Devils Gate, ca 38 air mi N of Rawlins.
Wet hummock meadows and bogs, with Carex nebraskensis, Dechampsia cespitosa, Betula occidentalis. Scattered; flowers orange. Phenology: flowering.
with Frank Blomquist

U.S.A., Colorado, Jefferson County: East-central Colorado: Mosquito Range to Plains: Lost Creek Wilderness: along Wigwam Creek and adjacent slopes, loosely following the Wigwam or Forest Trail 609, ca 7 air mi W of Deckers.
Flat open area adjacent to stream, bordered by aspen and spruce with occasional ponderosa pine. Phenology: flowering.
Accession: 957329, Barcode: RM0209457