Columbia Goldenweed, Large-flowered Goldenweed, Rayless Goldenweed: Pyrrocoma carthamoides var. carthamoides (Synonyms: Haplopappus carthamoides ssp. carthamoides, Haplopappus carthamoides ssp. rigidus, Haplopappus carthamoides var. carthamoides) - Rayless species.
Large Sticky Goldenweed, Sticky Goldenweed, Tacky Goldenweed: Pyrrocoma hirta var. sonchifolia (Synonyms: Haplopappus hirtus, Haplopappus hirtus ssp. sonchifolius, Haplopapus hirtus var. sonchifolius, Pyrrocoma hirta) -
Panicled Goldenweed: Pyrrocoma racemosa var. paniculata (Synonyms: Haplopappus racemosus ssp. brachycephalus, Haplopappus racemosus ssp. duriusculus, Haplopappus racemosus ssp. glomeratus, Haplopappus racemosus ssp. halophilus, Haplopappus racemosus var. glomerellus, Haplopappus racemosus var. paniculatus) -
Clustered Goldenweed, Racemed Goldenweed, Racemose Goldenweed: Pyrrocoma racemosa var. racemosa (Synonyms: Haplopappus racemosus ssp. racemosus, Haplopappus racemosus var. racemosus) -