Asteraceae Group 11
California
Heads radiate; phyllary series 2 or more, none or only some individually subtending ray flowers; receptacle paleate, generally +- throughout (only between ray and disk flowers in Rigiopappus)
KeyBase (2025). Vascular plants of California: Jepson Herbarium, UC Berkeley: Asteraceae Group 11. https://keybase.rbg.vic.gov.au/keys/show/4257 [Seen: 21-06-2025].