Taxon  Report   9732 
Bidens cernua  L.
Nodding beggartick
Bidens cernua
© 2008 Louis-M. Landry
More photos from
CalPhotos / Calflora
Bidens cernua
© 2006 Louis-M. Landry
Bidens cernua
© 2008 Steve Matson
Bidens cernua, a dicot, is a perennial herb that is native to California and is also found elsewhere in North America and beyond.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Bidens cernua
© 2008 Louis-M. Landry
Genus: Bidens
Freshwater Wetlands, wetland-riparian
Habitat: freshwater-marsh
Wetlands: Occurs in wetlands
Name Status:
Accepted by JEF + PLANTS + JM93
Alternate Names:
(according to)

ICPN + PLANTS: Bidens cernua var. cernua
PLANTS: Bidens cernua var. dentata
PLANTS: Bidens cernua var. elliptica
PLANTS: Bidens cernua var. integra
PLANTS: Bidens cernua var. minima
PLANTS: Bidens cernua var. oligodonta
PLANTS: Bidens cernua var. radiata
PLANTS: Bidens glaucescens
More information about  Bidens cernua
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Photos on

Jepson eFlora

Records from the Consortium of California Herbaria


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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Jun 23, 2018).

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