Bidens sp.
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Family: Asteraceae · Type: Perennial · Variable; species dependent
Bidens sp. is a non-native California perennial in the Asteraceae family.
How to tell it apart
vs Tagetes: Tagetes has strongly scented gland-dotted leaves; Bidens lacks strong scent and glands.; vs Dahlia: Dahlia has showy ray flowers and tuberous roots; Bidens often lacks rays and has fibrous roots.; vs Arnica: Arnica has opposite leaves throughout and mountain habitat; Bidens has mostly alternate leaves in wetlands.; vs Cosmos: Cosmos has finely dissected feathery leaves; Bidens has broader, less divided leaves.; vs Helianthus: Helianthus has rough sandpapery leaves and unbarbed pappus; Bidens has barbed stick-tight seeds.
Frequently asked questions
Is Bidens sp. native to California?
No. Bidens sp. is not native to California (recorded as variable; species dependent).
What plant family does Bidens sp. belong to?
Bidens sp. is in the Asteraceae family, genus Bidens.
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.