Cirsium edule, the edible thistle or Indian thistle, is a species of thistle in the genus Cirsium, native to western North America from southeastern Alaska south through British Columbia to Washington and Oregon, and locally inland to Idaho. It is a larval host to the mylitta crescent and the painted lady.
Apocynum androsaemifolium, the fly-trap dogbane or spreading dogbane, is a flowering plant in the Gentianales order.
Erigeron aphanactis is a species of flowering plant in the family Asteraceae known by the common name rayless daisy, or rayless shaggy fleabane. This wildflower is native to the western United States, primarily the Great Basin and Colorado Plateau regions.
Erigeron eatonii is a North American species of flowering plants in the family Asteraceae known by the common name Eaton's fleabane.
Erigeron inornatus is a North American species of flowering plant in the family Asteraceae known by the common name California rayless daisy, California rayless fleabane, rayless fleabane, Lava rayless fleabane
Heterotheca oregona is a species of flowering plant in the family Asteraceae known by the common name Oregon false goldenaster. It is native to the west coast of Canada and the United States in British Columbia, Washington, Oregon, and California as far south as Los Angeles County.
Hulsea nana is a North American species of flowering plant in the family Asteraceae known by the common name dwarf alpinegold. It is native to the western United States from Washington, Oregon, and far northern California.
Eucephalus breweri is a North American species in the family Asteraceae known by the common name Brewer's aster. It is native to California where it grows primarily in the Sierra Nevada at subalpine elevations. Its range extends into northwestern Nevada and southwestern Oregon.
Eucephalus engelmannii is a North American species in the family Asteraceae known by the common name Engelmann's aster. It is native to the United States and Canada from Alberta and British Columbia to far northern California and Colorado.
Dieteria canascens is an annual plant or short lived perennial plant in the family Asteraceae, known by the common names hoary tansyaster and hoary-aster.
Eucephalus is a genus of North American flowering plants in the family Asteraceae.
Arnica ovata is a North American species of flowering plant in the family Asteraceae, known by the common name sticky leaf arnica. It is native to western Canada, and the western United States.
Chaenactis nevii is a North American species of flowering plants in the aster family known by the common name John Day pincushion. It is found only in the John Day Basin area in the US State of Oregon.
Eucephalus elegans is a North American species of flowering plants in the family Asteraceae known by the common name elegant aster. It is native to the western United States, largely the Great Basin, in the states of Colorado, Idaho, Montana, Nevada, Oregon, Utah, Wyoming.
Eucephalus paucicapitatus is a North American species of flowering plant in the family Asteraceae known by the common name Olympic Mountain aster. It grows on rocky slopes and in subalpine meadows at high elevations in and near Olympic National Park in the US State of Washington, and on Vancouver Island in the Canadian Province of British Columbia.
Eucephalus glaucescens is a North American species of flowering plant in the family Asteraceae known by the common name Klickitat aster. It grows on rocky slopes and in subalpine meadows at high elevations on and near Mount Adams in the south-central part of the US State of Washington.
Eucephalus gormanii is a North American species of flowering plant in the family Asteraceae known by the common name Gorman’s aster. It grows on rocky slopes and on cliffs at high elevations in the Cascade Mountains of the US State of Oregon.
Eucephalus glabratus is a North American species of flowering plant in the family Asteraceae with the common names of smooth aster, smooth wayside-aster, and Siskiyou aster. It is a perennial herb up to 60 centimeters tall, with branching rhizomes. Stems and leaves are hairless or nearly so. One plant will usually produce 3–8 flower heads per stem. Each head has 0–4 violet ray florets surrounding numerous yellow disc florets.
Eucephalus tomentellus is a North American species of flowering plant in the family Asteraceae known by the common name Brickellbush aster or rayless aster. It grows on openings in oak or conifer forests the Siskiyou Mountains of the US States of California and Oregon.
Hazardia whitneyi, common name Whitney's bristleweed, is a North American species of shrub in the daisy family. It has been found only in the states of Oregon and California in the western United States.
