Taxon  Report   294 
Ambrosia confertiflora  DC.
Weak leaved burweed,  Weakleaf burr ragweed
Ambrosia confertiflora
© 2014 Richard Spellenberg
Click on a photo to see it bigger.
Ambrosia confertiflora
© 2012 Keir Morse
Ambrosia confertiflora
© 2012 Keir Morse
Ambrosia confertiflora, a dicot, is a perennial herb that is native to California and is also found elsewhere in North America and beyond.

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Plant Characteristics
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Ambrosia confertiflora
© 2014 Richard Spellenberg
Genus: Ambrosia
Coastal Sage Scrub, Southern Oak Woodland
Distribution by County 

Add an Observation of  Ambrosia confertiflora

Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Franseria confertiflora
PLANTS: Franseria strigulosa
PLANTS: Gaertneria tenuifolia
More information about  Ambrosia confertiflora
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on CalPhotos / Google Images
Photos and ID tips from

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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 23, 2016).

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