U.S.A., Washington, Chelan County: Chelan Butte Wildlife Area approximately 2 km south of spur road to Chelan Butte along Stayman Road, Elev. 750 m.
47.80724° N, 120.05543° W
Datum: WGS 84. Coordinate uncertainty: 20 meters. Coordinate Source: GPS.

East-facing, loose soil and gravel slope with Lomatium dissectum and Pseudoroegneria spicata common. Locally common; leaves opposite; plants to over 1 m tall. Origin: Native.

U.S.A., Idaho, Bannock County: Caribou Targhee National Forest. North of Power House Road (FR 041), small road ending in parking lot west of road to Malad Summit Guard Station. Elev. 1867-1892 m.
42.35279° N, 112.26787° W
Coordinate Source: Digital Map.

Transect from open south-facing slope with Symophoricarpos, Rosa, Sambucus, Populus tremuloides, Purshia, Juniperus roughly northward along road to stand of Acer grandidentatum. Includes enclosed spring that had been heavily grazed. Rays yellow.

U.S.A., Idaho, Bannock County: One-half kilometer NW of Malad Summit Guard Station. Elev. 1867-1892 m.
42.354° N, 112.269° W
Coordinate uncertainty: 500 meters. Georeferenced by Bob McCoy. Coordinate Source: Field Notes.

South facing region starting on a slope and ending in the bottom of a ravine. Lower slopes with Symphoricarpos, Rosa, Juniperus, Populus tremuloides, Purshia. Upper region in stand of Acer grandidentata. Heads paleate; leaves glandular. Reproductive state: Flowers.

U.S.A., Idaho, Adams County: Meadow off of Forest Road 060 (ditch Creek Road) Elev. 1644 m.
44.88782° N, 116.73846° W
Datum: WGS 84. Coordinate uncertainty: 3 meters. Coordinate Source: GPS.

Open meadow on west facing slope. No shrubs, Perideridia, Eriogonum, Trifoliium macrocephalum, annuals, surrounded by Pinus ponderosa forest. Cespitose. Ray and disk yellow.

U.S.A., Oregon, Crook County: Ochoco National Forest. FR 42, East of junction with FR 4270. Elev. 1600 m.
44.3091° N, 119.98736° W
Datum: WGS 84. Coordinate Source: GPS.

Dry Ponderosa Pine woodland. Yellow flowers. Reproductive state: Flowers and Fruits. Origin: Native.

U.S.A., Oregon, Crook County: Ochoco National Forest. Deep Creek riparian corridor approximately 3 kms east of Deep Creek Campground. Elev. 1357 m.
44.32535° N, 120.05602° W
Datum: WGS 84. Coordinate uncertainty: 200 meters. Coordinate Source: GPS.

Cobbly, sandy riparian, corridor with broad seasonal flood plain with Salix spp., Equisetum arvense, and Carex kelloggii. Scattered throughout area; leaves opposite and alternate; rays yellow. Reproductive state: Flowers. Origin: Native.

U.S.A., Oregon, Crook County: Ochoco National Forest. Bear Mountain summit to junction on north side with Forest Service Road 1250. Elev. 1850 m.
44.35932° N, 119.83423° W
Datum: WGS 84. Coordinate uncertainty: 200 meters. Coordinate Source: GPS. Invalid coordinates (located outside county bounds).

Exposed basalt cobble summit dominated by Balsamorhiza sagittata and Helianthella uniflora; north slope dominated by Abies grandis and Arnica latifolia. Common throughout summit area. Reproductive state: Flowers. Origin: Native.

U.S.A., Idaho, Washington County: Payette National Forest. Forest Road 025. Vicinity of Iron Mountain. Elev. 1839 m.
44.55327° N, 117.02172° W
Datum: WGS 84. Coordinate uncertainty: 4 meters. Coordinate Source: GPS.

Open east-facing slope with Prunus emarginata, P. virginiana, Balsamorhiza, Artemisia tridentata ssp. wyomingensis, Eriogonum heracleoides, Agastache urticifolia. Cespitose, ray and disk yellow.

U.S.A., Idaho, Elmore County: Boise National Forest. Vicinity of Steel Mountain along Forest Service Road 156 (Phifer Creek Road) . Elev. 2100 m.
43.76776° N, 115.3425° W
Datum: WGS 84. Coordinate uncertainty: 3 meters. Coordinate Source: GPS.

Open slope with Populus tremuloides, Salix, Ceanothus, Iliamna, Agastache, Symphoricarpos. Ray and disk yellow.

U.S.A., Nevada, Elko County: Lime Mountain at the south end of the Bull Run Mountains (north of Deep Creek and south of Wilson Peak). East side of the mountain. Elev. 6650 ft.
41.56494° N, 116.19012° W
Datum: WGS 84. Coordinate uncertainty: 5 meters. Coordinate Source: GPS.

Steep limestone soil within mountain shrub community. With Stenotus acaulis, Lomatium multifidum, Artemisia tridentata vaseyana, Holodiscus, Symphoricarpos. Flowers yellow. Scattered.

U.S.A., Washington, Okanogan County: Okanogan-Wenatchee National Forest. Forest Service Road 44. 1 km east of War Creek Campgroung and approximately 300 m north of road. Elev. 783 m.
48.34681° N, 120.39037° W
Datum: WGS 84. Coordinate uncertainty: 100 meters. Coordinate Source: GPS.

South-facing slope dominated by Philadelphus lewisii, Prunus virginiana, and Balsamorhiza sagittata. Common throughout the area; stems to 1 meter tall; rays yellow. Reproductive state: Flowers. Origin: Native.

U.S.A., Idaho, Adams County: Payette National Forest. MIll Creek Road (Forest Service road 65). Elev. 1704 m.
44.76222° N, 116.33794° W
Datum: WGS 84. Coordinate uncertainty: 5 meters. Coordinate Source: GPS.

Roadside meadow.

U.S.A., Idaho, Washington County: Payette National Forest. Hitt Mountains. Sturgill Peak. East slope below lookout. Elev. 2254 m.
44.61989° N, 116.94006° W
Datum: WGS 84. Coordinate uncertainty: 3 meters. Coordinate Source: GPS.

East facing slope. Occasional rocky outcrops. Associated species are Eriogonum flava, Lomatium macrocarpum, Lomatium papilioniferum, Linum lewisii, Erigeron chrysopsidis, Castilleja applegatei, and Phlox hoodii. Rays yellow. Cespitose.

U.S.A., Idaho, Custer County: Salmon-Challis National Forest. Custer Motorway, Forest Service Road 070. Ca. 8 miles north of Custer. Elev. 2113 m.
44.43754° N, 114.6096° W
Datum: WGS 84. Coordinate uncertainty: 10 meters. Coordinate Source: GPS.

Streamside in Picea forest. Corolla yellow.

U.S.A., Washington, Okanogan County: Okanogan-Wenatchee National Forest. Approximately 1 air km northeast of Foggy Dew Campground. Elev. 1012 m.
48.21627° N, 120.1945° W
Datum: WGS 84. Coordinate uncertainty: 200 meters. Coordinate Source: GPS.

Recently burned southeast-facing slope with Iliamna rivularis, Balsamorhiza sagittata, and Achillea millefolium common. Locally common in seasonal riparian swale at head of valley; rays yellow; heads large. Reproductive state: Flowers. Origin: Native.

U.S.A., Idaho, Adams County: Payette National Forest. Mill Creek Road (Forest Service road 65). Elev. 1704 m.
44.76222° N, 116.33794° W
Datum: WGS 84. Coordinate uncertainty: 5 meters. Coordinate Source: GPS.

Roadside meadow. Reproductive state: Flowers.

U.S.A., Idaho, Oneida County: United States, Idaho, Oneida County, Caribou-Targhee National Forest, Bannock Range, Steep Canyon, ca. 5.2 km W. of Clifton, ca. 0.6 km WSW of the intersection of Road 045 and Trails 441 and 424. Elev. 7050 ft.
42.19296°, -112.07079°. Coordinate uncertainty: 10 meters. Georeferenced by Richard Crookston.

Meadow near Cercocarpus ledifolius woodland. Occur: Locally abundunt. Reproductive state: Flowers and Fruits. Origin: Native.

United States, Washington, Garfield: Blue Mountains Ecoregion: Pataha Bunchgrass Research Natural Area, Umatilla National Forest, west of FS Road 42, 1.5 air miles SSE of Peola, 0.4 miles SW of Iron Spring. T9N R42E S1 NE4 SW4 NE4 SW4. Elev. 4520 ft
46.2849°, -117.4944°.

Festuca idahoensis-Potentilla gracilis meadow community on summit of ridge and south-facing slopes. Soil loam clay. HerbariumSpecimenDuplicate: Helianthella uniflora var. douglasii https://intermountainbiota.org/portal/collections/individual/index.php?occid=31373199. Reproductive state: Flowering.

U.S.A., Montana, Park County: In the Sunlight Creek drainage in the Crazy Mtns. Elev. 7300-7500 ft.
46.12° N, 110.41° W

Growing in westerly-facing meadows and open, montane to subalpine forests. Reproductive state: Flowers.

U.S.A., Washington, Whitman County: Southern edge of Whelan Cemetery; ca 8 km northeast of Pullman. Site ID: BSL-2088. Elev. 751 m.
46.778314° N, 117.117112° W
Datum: WGS 84. Coordinate uncertainty: 4 meters. Coordinate Source: GPS.

Rolling Palouse prairie over deep, loamy soil, with diverse forb cover including Geum triflorum, Helianthella uniflora, Lomatium multifidum, Balsamorhiza sagittata, Festuca idahoensis. Ray flowers yellow; stems to about 1 meter tall; plants in patches, common. Reproductive state: Flowers.

U.S.A., Idaho, Boise County: Boise National Forest. FR 555EC to Deadwood Lookout. Just before gate to lookout. Elev. 2282 m.
44.12727° N, 115.70514° W
Datum: WGS 84. Coordinate uncertainty: 8 meters.

Open Picea forest with scattered meadows, NW and SE facing slopes with Eriogonum flavum, Castileja applegatei, Aconogon, some Artemisia tridentata ssp. vaseyana. Rays yellow.

U.S.A., Idaho, Adams County: Peck Mtn Lookout, 8 air miles west and 9 air miles north of Council, Idaho ca 2 miles up Forest Service road 003 from junction of Hornet Creek Road. Elev. 1592 m.
44.862385° N, 116.610928° W
Datum: WGS 84. Coordinate Source: GPS.

Open south facing rocky slope dominated by Artemisia tridentata and north facing mixed conifer woodland with Ceanothus, Helianthella, Penstemon, Doug Fir, Balsamorrhiza and numerous annual grasses. Dominant. Reproductive state: Flowers. Origin: Native.

U.S.A., Idaho, Latah County: Hill Conservation Easement: north side of Gormsen Butte just below summit. Site ID: BSL-1838. Elev. 968 m.
46.646439° N, 116.977352° W
Datum: WGS 84. Coordinate uncertainty: 3 meters. Coordinate Source: GPS.

North facing hillside with moist soil, Crataegus thickets, Arrhenatherum elatius, Dactylis glomerata, Heracleum maximum, Geranium viscosissimum, Hieracium scouleri. Ray flowers yellow; clump-forming perennials, common along transition zone between thickets and hill crest. Reproductive state: Flowers and Fruits.

U.S.A., Idaho, Valley County: FSR 555 to Deadwood Reserv. ca. 1.6 km N of junction to Scott Mtn. L.O. Elev. 2229 m.
44° 10\' 43.8" N, 115° 43\' 16.4" W
Coordinate Source: Specimen Label. Invalid coordinates (located outside county bounds).

Bald place in mixed conifer forest, mostly Douglas fir. Clump with central taproot.

U.S.A., Idaho, Adams County: Forest Road 186, next to Middle Fork of Weiser River. 12.2 miles west of No Business Saddle. Elev. 1444 m.
44.6518° N, 116.24773° W
Datum: WGS 84. Coordinate uncertainty: 3 meters. Coordinate Source: GPS.

Open meadow between hairpin turn of the road with Pinus ponderosa, Picea, Salix. Rays yellow.

U.S.A., Idaho, Blaine County: Federal Gulch Trail north of campground on FR 122 off of FR 118 along East Fork Wood River. Elev. 2322-2080 m.
43.6661° N, 114.12685° W
Datum: WGS 84. Coordinate uncertainty: 3 meters. Coordinate Source: GPS.

Picea/Pseudotsuga with open boulder/scree slopes with Acer glabrum, Physocarpus malvaceus, Symphoricarpos rotundifolius, Sambucus racemosa, Salix and Populus tremuloides on lower parts of trail. Talus slope. Cespitose. Rays yellow.

U.S.A., Utah, Cache County: Green Canyon, Uintah-Wasatch-Cache National Forest Elev. 6025 ft.
41.785326° N, 111.723963° W
Coordinate Source: Specimen Label.

Very steep slope in juniper, maple, and douglas fir woodland Disc and ray corollas yellow Reproductive state: Flowers.

U.S.A., Nevada, Elko County: Snowstorm Mountains, 1.1 road miles N of the west Midas road on 4-wheel drive road to Secret Creek. Elev. 6490 ft.
41.24752° N, 116.81526° W; T39N R46E s20
Datum: NAD 83.

With Wyethia amplexicaulis on protected east facing slopes. Forming clumps.

U.S.A., Montana, Madison County: Along upper reaches of Idaho Creek. West slope of Baldy Mountain, Gravelly Range. Elev. 8300 ft.
45.1834° N, 111.9713° W

In open, subalpine woodland and slopes. Occasional on site. Many heads slightly nodding.

United States, Washington, Chelan: East Cascades: Wenatchee Mountains, Deer Spring Park, 1 mile NW of Tip Top Peak, 1.5 miles E of US Hwy 97 and Peshastin Creek, 13 miles W of Wenatchee. Okanogan-Wenatchee NF. T23N R18E S32 SW4 NE4 NW4 NW4. Elev. 3760ft
47.451192°, -120.62323°.

Flat area in Pinus ponderosa woods on loamy soil with dense understory of Wyethia amplexicaulis, Lupinus, Helianthella uniflora, Lomatium nudicaule, Rudbeckia alpicola, & Symphoricarpos albus. HerbariumSpecimenDuplicate: Helianthella uniflora var. douglasii Common. https://intermountainbiota.org/portal/collections/individual/index.php?occid=33246497. Reproductive state: Flowering.

U.S.A., Idaho, Adams County: Payette National Forest. ~15 air miles west and ~4 air miles north of New Meadows, Idaho. Open meadow above Fawn Creek and surrounding forest along creek. FS road 123, ~2 miles from the junction with FS road 143 (Lick Creek Rd.). Elev. 1471 m.
45.00925° N, 116.60168° W
Datum: WGS 84. Coordinate uncertainty: 16 meters. Coordinate Source: GPS.

Forested slope and streamside community, with Abies grandis overstory and Symphoricarpos sp./Rosa sp. shrub understory. Stream banks mossy, with Claytonia sp. and Viola sp. Reproductive state: Flowers. Origin: Native.

U.S.A., Idaho, Blaine County: Rock Creek, about 0.3 miles S of Kent Canyon. About 6 miles N of Hwy 20 and Magic Reservoir. Elev. 5160 ft.
43.42755° N, 114.39654° W
Datum: WGS 84. Coordinate uncertainty: 5 meters. Coordinate Source: GPS.

In moist, seepy drainage within volcanic cap ridges and hillsides with gravelly soil; sagebrush/bitterbrush scrub vegetation. Moderately steep slope. Localized; frequent. Flowers yellow. Reproductive state: Flowers.

U.S.A., Idaho, Camas County: South Fork Soldier Creek Trail to confluence with Free Gold Creek Trail. Elev. 1859 m.
43.49827° N, 114.83495° W
Datum: WGS 84. Coordinate uncertainty: 3 meters. Coordinate Source: GPS.

Open trail at base of hills with scattered Pinus contorta, Pseudotsuga menziesii amid Artemisia tridentata meadows. Creekside forested with Pseudotsuga menziesii, Pinus contorta, and Populus tremuloides. Rays bright yellow. Cespitose.

U.S.A., Idaho, Washington County: Cuddy Mountain. Slope and roadside south of Rush Lake. Elev. 1998 m.
44.81602° N, 116.70608° W
Datum: WGS 84. Coordinate uncertainty: 5 meters. Coordinate Source: GPS.

Forested area with Helianthella uniflora. Rays yellow.

U.S.A., Idaho, Boise County: Scott Mountain Road. Forest Service Road 555, 1.6 miles from intersection with 555BC. Elev. 2181 m.
44.18426° N, 115.7086° W
Datum: WGS 84. Coordinate uncertainty: 6 meters. Coordinate Source: GPS.

Open meadow. Slightly east-facing slope. Burned once, regenerating Picea, Populus tremuloides. Ray and disk yellow.

U.S.A., Idaho, Valley County: Trail to Box Lake. Elev. 1903-1782 m.
44.99028° N, 115.95926° W
Datum: WGS 84. Coordinate uncertainty: 9 meters. Coordinate Source: GPS.

Pinus contorta, Pseudotsuga menziesii forest. Rays yellow.

U.S.A., Idaho, Blaine County: East Fork Big Wood River Trail. Elev. 2075-2207 m.
43.83997° N, 114.417722° W
Datum: WGS 84. Coordinate uncertainty: 13 meters. Coordinate Source: GPS.

Dry open slopes and Pseudotsuga menziesii forest with abundant Verbascum thapsus. Cespirtose. Ray and disk yellow.

U.S.A., Idaho, Camas County: Soldier Creek area, about 10 mi N of Fairfield (Hwy 20) on FS Road 094. Slope above road. Elev. 6040 ft.
43.50061° N, 114.83644° W
Datum: WGS 84. Coordinate Source: Field Notes.

Mid-slope.

U.S.A., Idaho, Camas County: 4 miles S of Wells Summit on FS Rd 095. Slopes on N & S side of road and at stream near water trough. Elev. 6047 ft.
43.45123° N, 114.77222° W
Coordinate Source: Field Notes.

Aspen, willow, alder near stream. Sage meadow and rocky slopes above. Barely in bloom.

U.S.A., Idaho, Blaine County: East Fork Big Wood River Trail. Elev. 2075-2207 m.
43.83997° N, 114.417722° W
Datum: WGS 84. Coordinate uncertainty: 13 meters. Coordinate Source: GPS.

Dry open slopes and Pseudotsuga menziesii forest with abundant Verbascum thapsus. Cespitose. Ray and disk yellow. Reproductive state: Flowers.

U.S.A., Idaho, Boise County: Scott Mountain Road. Forest Service Road 555, 1.6 miles from intersection with 555BC. Elev. 2181 m.
44.18426° N, 115.7086° W
Datum: WGS 84. Coordinate uncertainty: 6 meters. Coordinate Source: GPS.

Open meadow. Slightly east-facing slope. Burned once, regenerating Picea, Populus tremuloides. Ray and disk yellow. Reproductive state: Flowers.

U.S.A., Idaho, Washington County: Cuddy Mountain. Slope and roadside south of Rush Lake. Elev. 1998 m.
44.81602° N, 116.70608° W
Datum: WGS 84. Coordinate uncertainty: 5 meters. Coordinate Source: GPS.

Forested area with Helianthella uniflora. Rays yellow. Reproductive state: Flowers.

U.S.A., Idaho, Fremont County: Sawtelle Peak Rd, FR 24, 8.8 km W of Hwy 20 (2.4 km N of Henry\'s Fork Bridge). Elev. 2276 m.
44° 31\' 51" N, 111° 24\' 34.3" W
Coordinate Source: Specimen Label.

Open, "dry" meadow in lodgepole pine forest.

U.S.A., Idaho, Blaine County: Rock Creek, about 0.3 miles S of Kent Canyon. About 6 miles N of Hwy 20 and Magic Reservoir. Elev. 5160 ft.
43.42755° N, 114.39654° W
Coordinate Source: Specimen Label.

In moist, seepy drainage within volcanic cap ridges and hillsides with gravelly soil; sagebrush/bitterbrush scrub vegetation. Moderately steep slope. Localized; frequent. Flowers yellow.

U.S.A., Nevada, Elko County: Jarbidge Wilderness Area, along trail. Near wilderness boundary at Snowslide Gulch. Elev. 7021 ft.
41.81645° N, 115.41245° W
Datum: WGS 84. Coordinate Source: GPS.

In mesic sagebrush, blue bunch wheatgrass, and mountain mahogany slope. Reproductive state: Fertile.

U.S.A., Idaho, Adams County: OX Ranch. From Council, drive 27.9 miles up Council-Cuprum Rd (002). Go 4.1 miles on 141. Elev. 1348 m.
45.019069° N, 116.654001° W; UTM Zone 11, 527261E, 4985127N

Relatively flat, open meadow with areas of rocky scab and shallow soil. Dominated by Artemisia, Eriogonum, Allium. Forest dominated by ponderosa pine. Opposite finely serrated leaves; pubescent; yellow flowers; heads with 7 ray flowers. Reproductive state: Flowers. Origin: Native.

U.S.A., Idaho, Camas County: Soldier Creek Area, about 10 mi. N of Fairfield (Hwy 20) on FS Road 094. Elev. 6040 ft.
43.50061° N, 114.83644° W
Datum: WGS 84. Coordinate Source: Field Notes.

Slope above road. Reproductive state: Flowers & Fruits.

U.S.A., Idaho, Camas County: Soldier Creek Area, about 10 mi. N of Fairfield (Hwy 20) on FS Road 094. Elev. 6040 ft.
43.50061° N, 114.83644° W
Datum: WGS 84. Coordinate Source: Field Notes.

Slope above road. Mid-slope. Reproductive state: Fertile.

U.S.A., Idaho, Camas County: 4 miles S of Wells Summit on FS Rd. 095. Slopes on N and S side of road and at stream near water trough. Elev. 6047 ft.
43.45123° N, 114.77222° W
Coordinate Source: Field Notes.

Aspen, willow, alder near stream. Sage meadow and rocky slopes above. Reproductive state: Flowers & Fruits.

U.S.A., Idaho, Washington County: Idaho Department of Lands, along road to Cuddy Point; 12 air miles W and 6 air miles N of Council, ID. ~4 miles on Forest Road 55 from junction with Council-Cuprum Rd, ~13 miles NW of Council, ID. Elev. 2299 m.
44.81881° N, 116.700343° W
Coordinate Source: GPS. Updated county from Adams to Washington.

Thin soiled Allium accuminatum flats with scattered basalt cobbles; west aspect, 15%-20% slope. Ray flowers bright yellow. Reproductive state: Flowers. Origin: Native.