Oregon Goldenaster, Oregon False Goldenaster, Rayless Goldaster: Heterotheca oregona (Synonyms: Chrysopsis oregona, Chrysopsis oregona var. oregona, Chrysopsis oregona var. rudis) , Heterotheca oregona var. oregona, Heterotheca oregona var. rudis)- Discoid flower heads.
Hairy Goldenaster, Hispid Goldenaster: Heterotheca villosa var. minor (Synonyms: Chrysopsis villosa var. hispida, Chrysopsis villosa var. viscida, Heterotheca villosa var. hispida) -
Hairy Goldaster, Hairy Goldenaster, Hairy False Goldenaster, Leafy Goldenaster: Heterotheca villosa var. villosa (Synonyms: Chrysopsis villosa var. foliosa, Chrysopsis villosa var. villosa, Heterotheca villosa var. foliosa) -