Taxon  Report   290 
Ambrosia artemisiifolia  L.
Annual ragweed,  Common ragweed, Low ragweed
Ambrosia artemisiifolia
© 2006 Louis-M. Landry
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Ambrosia artemisiifolia
© 2015 Richard Spellenberg
Ambrosia artemisiifolia
© 2015 Richard Spellenberg
Ambrosia artemisiifolia, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

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Plant Characteristics
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Bloom Period
Ambrosia artemisiifolia
© 2006 Louis-M. Landry
Genus: Ambrosia
weed, characteristic of disturbed places
Habitat: disturbed [Walker]
Wetlands:Usually occurs in non wetlands, but occasionally found in wetlands [U.S. Fish & Wildlife Service.]
Distribution by County 

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Name Status:
Accepted by TJM2 + PLANTS + JM93
More information about  Ambrosia artemisiifolia
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 26, 2016).

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