valley mayweed (Matricaria occidentalis)
Matricaria occidentalis is an annual with fern-like leaves and yellow-green, dome-shaped flowers lacking ray petals. Pineapple-scented, common in disturbed areas.
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Synonyms
Chamomilla occidentalis Rydb.
Taxonomy
- kingdomPlantae
- divisionTracheophyta
- classMagnoliopsida
- orderAsterales
- familyAsteraceae
- genusMatricaria
- speciesMatricaria occidentalis