Dwarf Alpine Hawksbeard, Dwarf Hawksbeard, Low Hawksbeard: Askellia pygmaea ssp. ramosa (Synonyms: Crepis nana , Crepis nana ssp. nana, Crepis nana ssp. ramosa, Crepis nana var. lyratifolia, Crepis nana var. ramosa) -
Long-leaved Hawksbeard, Tapertip Hawksbeard: Crepis acuminata (Synonym: Crepis acuminata ssp. acuminata) - Only west of the Cascade Mountains in the Siskiyou Region.
Slender Hawksbeard: Crepis atribarba (Synonyms: Crepis atrabarba, Crepis atrabarba ssp. atrabarba, Crepis atrabarba ssp. originalis, Crepis atribarba ssp. atribarba, Crepis atribarba ssp. originalis) - Only in the west Cascade foothills in SW Oregon.
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) - Only west of the Cascade Mountains near Ashland, OR.
Smooth Hawksbeard: Crepis capillaris (Synonym: Crepis capillaris var. capillaris) -
Gray Hawksbeard, Intermediate Hawksbeard, Limestone Hawksbeard: Crepis intermedia (Synonym: Psilochenia intermedia) -
Low Hawksbeard, Modoc Hawksbeard: Crepis modocensis (Synonyms: Crepis modocensis ssp. glareosa, Crepis modocensis ssp. modocensis, Crepis modocensis ssp. rostrata, Crepis modocensis ssp. subacaulis, Crepis rostrata) - Only at the western base of the Cascade Mountains near Ashland, OR.
Mountain Hawksbeard, Mountain Hawk's Beard, Siskiyou Hawksbeard: Crepis monticola (Synonym: Psilochenia monticola) -
French Hawksbeard, Turkish Hawksbeard: Crepis nicaeensis -
Western Hawksbeard, Largeflower Hawksbeard: Crepis occidentalis (Synonyms: Crepis occidentalis ssp. conjuncta, Crepis occidentalis ssp. costata, Crepis occidentalis ssp. occidentalis, Crepis occidentalis ssp. pumila, Crepis occidentalis var. costata) -
Naked Stem Hawksbeard, Naked-stemmed Hawksbeard: Crepis pleurocarpa (Synonym: Psilochenia pleurocarpa) -
Smallflower Hawksbeard, Small-flowered Hawksbeard: Crepis pulchra -
Bristly Hawksbeard, Rough Hawksbeard: Crepis setosa -
Annual Hawksbeard, Narrow-leaf Hawksbeard, Rooftop Hawksbeard: Crepis tectorum -
Beaked Hawksbeard, Weedy Hawksbeard: Crepis vesicaria ssp. taraxacifolia (Synonym: Crepis vesicaria ssp. haenseleri, Crepis vesicaria var. taraxacifolia) -