Taxon  Report   294    
Ambrosia confertiflora  DC.
Weak leaved burweed,  Weakleaf burr ragweed
Ambrosia confertiflora, a dicot, is a perennial herb that is native to California and and is also found elsewhere in North America and beyond.

Bloom Period
Genus: Ambrosia
Communities: Coastal Sage Scrub, Southern Oak Woodland
Name Status:
Accepted by JEF + PLANTS

Alternate Names:
JEF + PLANTS: Franseria confertiflora
PLANTS: Franseria strigulosa
PLANTS: Gaertneria tenuifolia
More information about  Ambrosia confertiflora
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora


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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: May 25, 2020).