Trichoptilium sp.
Family: Asteraceae · Type: Annual · Native
Trichoptilium sp. is a native California annual in the Asteraceae family.
How to tell it apart
vs Chaenactis: Chaenactis has white/purple flowers; Trichoptilium always bright yellow; vs Palafoxia: Palafoxia leaves entirely smooth-edged; Trichoptilium leaves sharply toothed/lobed; vs Arnica: Arnica has opposite leaves and mountain habitat; Trichoptilium alternate leaves in deserts; vs Hymenothrix: Hymenothrix pappus scales not dissected; Trichoptilium scales divided into feathery bristles; vs Delairea: Delairea is a climbing vine; Trichoptilium erect desert annual herb
Frequently asked questions
Is Trichoptilium sp. native to California?
Yes. Trichoptilium sp. is native to California (recorded as native).
What plant family does Trichoptilium sp. belong to?
Trichoptilium sp. is in the Asteraceae family, genus Trichoptilium.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora · CalPhotos
Last updated 2026-04-14
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.