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valley mayweed
Matricaria occidentalis
Matricaria occidentalis, commonly known as valley mayweed, is an annual plant native to North America. It is in the family Asteraceae.
From the article Matricaria occidentalis on Wikipedia (CC BY-SA), quoted section by section
Description
The stem is either branching or below the corymbose summit. It is 15–45 cm (5.9–17.7 in) high; not strongly scented; heads as much as 1.5 cm (0.59 in) in diameter, conical in shape and greenish yellow in color; achenes are sharply angled. It is used as substitute for chamomile. It is extremely similar to pineapple weed.
Range & habitat
Usually occurs in wetlands, but occasionally found in non wetlands. It is native to California and Oregon.
Wikipedia: “Distribution and habitat”
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Matricaria occidentalis in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 57929.