Erigeron annuus
Annual fleabane
Family: Asteraceae · Type: annual · Not Native
Annual fleabane is a naturalized annual found in the northern Sierra Nevada and Klamath Ranges in disturbed places at elevations below 2,000 meters. Flowering from April to July, this plant produces white ray flowers up to 8 millimeters long with numerous flower heads 5 to 12 millimeters in diameter. Growing 50 to 120 centimeters tall with often branched stems that are sparsely hairy, it develops from fibrous roots. Its leaves range from basal elliptic to obovate blades 4 to 16 centimeters long, coarsely serrated and becoming slightly reduced toward the stem's upper portion. The plant features inflorescences with 5 to 50 flower heads, each with phyllaries that are spreading-hairy and sparsely glandular.
Habitat: Disturbed places
Bloom period: Apr-Jul
Elevation: < 2000 m
Bioregions: KR, n&c SNH
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.