Anthemis arvensis

Corn chamomile

Family: Asteraceae · Type: annual · Not Native

Corn chamomile is a naturalized annual herb found in northern coastal California, central Sierra Nevada, and the Klamath Ranges in disturbed areas and fields at elevations below 1,500 meters. Flowering from March to April, this plant produces white ray flowers with yellow disk centers in heads approximately 6 to 13 millimeters wide. Growing with decumbent or ascending stems 10 to 30 centimeters tall, it can occasionally root at its nodes. Its leaves are 15 to 35 millimeters long, finely divided with 1 to 2 levels of pinnate lobes ending in narrow linear or triangular segments. The fruit is small, measuring 1.7 to 2 millimeters long with no notable pappus.

Habitat: Uncommon. Escape from cultivation in disturbed areas, fields

Bloom period: Mar-Apr

Elevation: < 1500 m

Bioregions: KR, NCoRO, c SNH, expected elsewhere

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.