Flower head of western hawksbeard from the Columbia River Gorge.
Slender Hawksbeard: Crepis atribarba (Synonyms: Crepis atribarba ssp. atribarba, Crepis atribarba ssp. cytotaxonomicorum, Crepis atribarba ssp. typicus, Crepis atribarba var. cytotaxonomicorum, Psilochenia atribarba) - Native perennial wildflower. Fairly easy to recognize due to the leaves with very narrow central stem and linear leaf segments.
Baker's Hawksbeard, Cusick's Hawksbeard, Idaho Hawksbeard: Crepis bakeri (Synonyms: Crepis bakeri ssp. bakeri, Crepis bakeri ssp. cusickii, Crepis bakeri ssp. idahoensis, Psilochenia bakeri, Psilochenia bakeri ssp. cusickii, Psilochenia bakeri ssp. idahoensis)
Bearded Hawksbeard: Crepis barbigera (Synonym: Crepis atribarba ssp. originalis) - Native perennial wildflower. Inflorescence of 6-70 flower heads, each head with 8-25 flowers. The leaves are pinnatifid with wide lobes, the blade around the mid stem is wider than the other species.
Smooth Hawksbeard: Crepis capillaris (Synonym: Crepis capillaris var. capillaris) - An introduced annual found especially west of the Cascade crest. The herbage consists of short, fine, sometimes glandular hairs.
Gray Hawksbeard, Intermediate Hawksbeard, Limestone Hawksbeard: Crepis intermedia (Synonym: Psilochenia intermedia) - Native perennial wildflower. Plants with broad dandelion-like leaves, both on the stem as well as at the base. Leaves pinnatifid with narrow lobes. Herbage covered with short, gray, felt-like hairs. 10-60 flower heads, each with 7-12 ray flowers. Outer bracts considerably shorter than inner bracts.
Largeflower Hawksbeard, Western Hawksbeard: Crepis occidentalis (Synonyms: Crepis occidentalis ssp. conjuncta, Crepis occidentalis ssp. costata, Crepis occidentalis ssp. occidentalis, Crepis occidentalis ssp. pumila, Crepis occidentalis var. costata)- Native perennial wildflower. Plant with broad dandelion-like leaves. The leaf segments may point slightly backwards towards the leaf base. Plants covered with short, felt-like hairs. Erect stems have 10-30 flower heads in candelbra-like clusters. Flower heads yellow, dandelion-like. 5-12 inches tall.
Bristly Hawksbeard, Rough Hawksbeard: Crepis setosa - An introduced annual usually found west of the Cascade Mts. The herbage is not glandular but consists of stiff hairs and bristles, the bristles often yellowish.