Genus = Erigeron,
Displaying matches 1 - 31 of 31.
(= Erigeron acris in Flora of the Pacific Northwest)
Biennial or perennial, 0.5-8 dm. tall, often covered with stiff, blunt hairs.
Distribution: Occurring on both sides of the Cascades in Washington; British Columbia south to California, east to South Dakota.
Habitat: Mid- to high elevations in mountain meadows.
(= Erigeron aliceae in Flora of the Pacific Northwest)
Perennial usually from a rhizome, 3-8 dm. tall, amply leafy, covered with stiff, short, blunt hairs.
Distribution: In the Olympic Mountains of Washington, in the Cascades of Oregon, and in the Siskiyou Mountains of Oregon and California.
Habitat: Moist to fairly dry, sandy, open areas at mid-elevations in the mountains.
(= Erigeron annuus in Flora of the Pacific Northwest)
Annual, 6-15 dm. tall, the stem with long, spreading hairs below the inflorescence.
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; native to eastern North America and widely introduced in other areas of North America.
Habitat: Weed of moist, disturbed soil.
Perennial from a short, branched woody base, 2-15 cm. tall, covered with fine, short hairs.
Distribution: Both sides of the Cascades in Washington; British Columbia south to Washington, east to Alberta.
Habitat: Exposed rocky areas, cliffs, and ridges, often at high elevations in the mountains.
(= Erigeron basalticus in Flora of the Pacific Northwest)
Several stems from a perennial taproot, sprawling, branched and leafy, especially near the tip.
Distribution: Selah Creek area and north in the Yakima River canyon, Yakima and Kittitas Counties, Washington.
Habitat: Cliff crevices in rocky canyons.
(= Erigeron bloomeri in Flora of the Pacific Northwest)
Perennial with a tap-root and branched, short woody base, 5-15 cm. tall, the herbage with fine, white hairs aligned in one direction.
Distribution: Chiefly east of the Cascades, central Washington to California, east to Idaho and Nevada
Habitat: Dry, open, rocky areas at low to moderate elevations
(= Erigeron caespitosus in Flora of the Pacific Northwest)
Herbaceous perennial from a stout taproot, the stems curved at the base, 5-30 cm. tall; herbage densely pubescent with short, spreading hairs.
Distribution: Alaska and Yukon to eastern Washington and Idaho, south to Arizona.
Habitat: Dry, open, and often rocky places.
(= Erigeron chrysopsidis ssp. chrysopsidis var. brevifolius in Flora of the Pacific Northwest)
Distribution: Occurring east of the Cascade Mountains crest in Washington; Washington south to California, east to Idaho and Nevada.
Habitat: Shrub-steppe to open slopes of forests at middle elevations.
(= Erigeron compositus vars. compositus, discoideus, glabratus in Flora of the Pacific Northwest)
Perennial from a tap-root, 3-25 cm. tall, the herbage densely glandular.
Distribution: British Columbia to Oregon, east to Montana
Habitat: Sandy riverbanks at low elevations to rocky outcrops at mid- to high elevation in the mountains
(= Erigeron corymbosus in Flora of the Pacific Northwest)
Perennial with a tap-root, 1-5 dm. tall, sub-erect, generally purplish at the base, the herbage covered densely with short, spreading hairs.
Distribution: Cheifly east of the Cascades, southern British Columbia to eastern Oregon, east to Montana and Wyoming.
Habitat: Open, usually dry places, often among sagebrush.
(= Erigeron disparipilus in Flora of the Pacific Northwest)
Perennial from a tap-root, 3-12 cm. high, the stem covered with very unequal, spreading hairs.
Distribution: Near the Snake River from extreme southeast Washington to Owyhee County, Idaho
Habitat: Dry, rocky hillsides
(= Erigeron divergens in Flora of the Pacific Northwest)
(= Erigeron eatonii in Flora of the Pacific Northwest)
Perennial from a tap-root, 5-30 cm. tall, the stems decumbent and purplish at the base, with appressed hairs.
Distribution: Chiefly east of the Cascades, central Washington south to California and Arizona and east to Wyoming.
Habitat: Open places in the mountains and foothills.
Distribution: Occurring in north-central region of Washington; Alaska south to Washington, east across Canada to the Atlantic Coast.
Habitat: Wet meadows, edges of ponds, forested wetlands.
(= Erigeron filifolius in Flora of the Pacific Northwest)
Perennial from a taproot and branched, short woody base, 1-5 dm. tall, the stem densely covered with fine, appressed hairs aligned in one direction.
Distribution: Chiefly east of the Cascades, British Columbia to Oregon, east to Montana
Habitat: In shrub-steppe of foothills and plains, often with sagebrush
(= Erigeron flettii in Flora of the Pacific Northwest)
Perennial from a stout, branched, woody base, 5-15 cm. high, the stem with sparse, spreading hairs.
Distribution: Olympic Mountains of Washington at high elevations.
Habitat: Cliffs and other rocky places.
(= Erigeron peregrinus in Flora of the Pacific Northwest)
Fibrous-rooted perennial from a short rhizome, up to 7 dm. tall, amply leafy.
Distribution: Widely distributed in the mountains throughout Washington; Alaska to California, east to the Rocky Mountains.
Habitat: Moist, open areas at mid- to high elevations in the mountains.
(= Erigeron howellii in Flora of the Pacific Northwest)
Rhizomatous perennial, the stems 2-5 dm. tall, with a few woolly hairs under the heads.
Distribution: Soouth side of the Columbia River Gorge in Oregon and Skamania County, Washington
Habitat: Moist, rocky places in the lowlands.
(= Erigeron inornatus in Flora of the Pacific Northwest)
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to Nevada.
Habitat: Dry slopes and forest openings, often where sandy or rocky.
(= Erigeron leibergii in Flora of the Pacific Northwest)
Perennial from a stout, branched, woody base, 7-25 cm. tall, herbage with soft, curled hairs and stalked glands.
Distribution: In the Cascade and Wenatchee Mountains of Okanogan, Chelan and Kittitas Counties; British Columbia south to Washington.
Habitat: Cliffs and rocky places at moderate to high elevations in the mountains.
(= Erigeron linearis in Flora of the Pacific Northwest)
Perennial from a stout woody base, 5-30 cm. tall, covered throughout with fine, grey, appressed hairs aligned in one direction.
Distribution: East of the Cascades in Washington; southern British Columbia to Oregon.
Habitat: Dry, open, often rocky areas at low to mid-elevations
(= Erigeron lonchophyllus in Flora of the Pacific Northwest)
Weak-rooted biennial or short-lived perennial, erect, 2-60 cm. tall, the stem covered with spreading, short, stiff, blunt hairs.
Distribution: East of the Cascades, British Columbia to California, east to Quebec and North Dakota.
Habitat: Damp meadows and other moist places at high elevations in the mountains.
(= Erigeron oreganus in Flora of the Pacific Northwest)
Perennial from a stout, woody base and root, the lax stem 5-15 cm. long, covered with glands and loose, sticky hairs.
Distribution: Columbia River Gorge, more common on the Oregon side.
Habitat: Moist shady cliffs and ledges.
(= Erigeron philadelphicus in Flora of the Pacific Northwest)
Biennial or short-lived perennial, fibrous rooted, 2-7 dm. tall; herbage usually with long, spreading hairs.
Distribution: Widely distributed throughout Washington; widely distributed throughout North America.
Habitat: Moist, open forests at low to mid-elevations.
(= Erigeron piperianus in Flora of the Pacific Northwest)
Perennial from a taproot and short, branched, woody base, the stem 3-10 cm. high and covered with short, stiff appressed hairs.
Distribution: Columbia plains of south-central and southeast Washington
Habitat: Dry, open places, often in sandy soil among sagebrush.
(= Erigeron poliospermus in Flora of the Pacific Northwest)
Perennial from and taproot and short, branched woody base, up to 15 cm. high, more or less spreading-hairy and glandular throughout.
Distribution: East of the Cascades in Washington; British Columbia south to Oregon, east to Idaho.
Habitat: Dry, open, often rocky areas at low elevations.
(= Erigeron pumilus in Flora of the Pacific Northwest)
Perennial from a woody base and taproot, the stem 5-50 cm. tall, the herbage copiously spreading-hairy.
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to the Great Plains.
Habitat: Open places in the foothills, valleys and plains, often among sagebrush.
(taxon is not treated in Flora of the Pacific Northwest)
Perennial from a taproot and branched crown, forming dense cushions, the simple, erect, scape-like stems 1.5-7 cm. high, pubescent.
Distribution: British Columbia and Washington.
Habitat: Cliffs, ridges, ledges and gravelly slopes at mid- to high elevations in the mountains.
(= Erigeron speciosus in Flora of the Pacific Northwest)
Perennial from a short, woody base, 1.5-8 dm. tall, the stems clustered, amply leafy, glabrous below the inflorescence.
Distribution: British Columbia to Oregon, east to Wyoming; more common west of the Cascades.
Habitat: Open woods or openings in wooded areas, foothills to moderate elevations in the mountains.
(= Erigeron strigosus in Flora of the Pacific Northwest)
Mostly annual, 3-7 dm. tall, with scanty foliage.
Distribution: Widely distributed in Washington; widespread throughout much of North America.
Habitat: Moderately dry places at low to moderate elevations.
(= Erigeron subtrinervis in Flora of the Pacific Northwest)
Perennial from a short, woody base, 1.5-8 dm. tall, the stems clustered, amply leafy, spreading-hairy throughout.
Distribution: Washington to the Dakotas, south to Colorado, but not found in Oregon
Habitat: Moderately dry, open places at moderate to mid-elevations in the mountains
