Asteraceae
Valley mayweed
Matricaria occidentalis
- Family
- Asteraceae
- Genus
- Matricaria
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Common names
By language (2)
- Chinese
- 西方小白菊
- English
- Valley mayweed
Synonyms
- Chamomilla occidentalis Rydb.
- Matricaria discoidea subsp. occidentalis (Greene) P.D.Sell
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Lower 48 states: native
Photos
Photo: Alex Heyman, CC0, from Wikimedia Commons 
Photo: Alex Heyman, CC0, from Wikimedia Commons 
Photo: Alex Heyman, CC0, from Wikimedia Commons
More in Matricaria
- Wild chamomileMatricaria chamomillaAsteraceae
- Disc mayweedMatricaria discoideaAsteraceae
- Disc mayweedMatricaria suaveolensAsteraceae
- Matricaria aureaAsteraceae
- Matricaria breviradiataAsteraceae
- Matricaria aserbaidshanicaAsteraceae
- Matricaria australisAsteraceae
- Matricaria brachyglossaAsteraceae
- Matricaria courrantiaAsteraceae
- Matricaria decipiensAsteraceae
- Matricaria elongataAsteraceae
- Matricaria grossheimiiAsteraceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.