Taxon  Report   9652 
Ageratum conyzoides  L.
Tropical whiteweed
More photos from
CalPhotos / Calflora
Ageratum conyzoides, a dicot, is an annual or perennial herb that is not native to California.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

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Plant Characteristics
and Associations
Ageratum conyzoides
© 2010 Moorea Biocode
Genus: Ageratum
Wetlands: Occurs usually in non wetlands, occasionally in wetlands
Distribution by County 

Add an Observation of  Ageratum conyzoides

Name Status:
Accepted by ICPN + PLANTS
More information about  Ageratum conyzoides
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on CalPhotos / Google Images

Records from the Consortium of California Herbaria


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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Jul 21, 2018).

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