Golden-fleece: Ericameria arborescens (Synonym: Haplopappus arborescens) -
Bloomer's Goldenbush, Bloomer's Goldenweed, Heath Goldenrod, Rabbitbrush Goldenweed, Rabbitbrush: Ericameria bloomeri (Synonyms: Haplopappus bloomeri, Haplopappus bloomeri var. angustatus, Haplopappus bloomeri var. bloomeri, Happlopappus bloomeri var. sonnei) -
Greene's Goldenbush, Greene's Goldenweed, Greene's Heath Goldenrod: Ericameria greenei (Synonyms: Ericameria greenei ssp. mollis, Haplopappus bloomeri, Haplopappus bloomeri var. greenei, Haplopappus greenei, Haplopappus greenei var. greenei, Haplopappus greenei var. mollis) -
Great Basin Rabbitbrush: Ericameria nauseosa var. oreophila (Synonyms: Chrysothamnus nauseosus ssp. consimilis, Chrysothamnus nauseosus var. artus, Chrysothamnus nauseosus var. oreophilus) - Several plant collections near Interstate 5 near the Siskiyou Summit.
Gray Rabbit-brush, Rubber Rabbitbrush, Showy Rubber Rabbitbrush: Ericameria nauseosa var speciosa (Synonyms: Chrysothamnus nauseosus ssp. albicaulis, Chrysothamnus nauseosus ssp. speciosus, Chrysothamnus nauseosus var. albicaulis, Chrysothamnus nauseosus var. speciosus, Ericameria nauseosa ssp. nauseosa var. speciosa, Chrysothamnus speciosus)
Nevada Rabbitbrush: Ericameria parryi var. nevadensis (Synonyms: Chrysothamnus parryi, Chrysothamnus parryi ssp. nevadensis, Chrysothamnus parryi var. nevadensis) - Single observation of it near Highway 199 between Grants Pass and Selma, OR. Mis-identified?