Taxon  Report   10327 
Rudbeckia hirta  L.
Blackeyed susan,  Bristly cone flower
Rudbeckia hirta
© 2004 Nick Kurzenko
More photos from
CalPhotos / Calflora
Rudbeckia hirta
© 2007 Dr. Amadej Trnkoczy
Rudbeckia hirta
© 2007 Dr. Amadej Trnkoczy
Rudbeckia hirta, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Rudbeckia hirta
© 2005 Louis-M. Landry
Genus: Rudbeckia
Subspecies and Varieties:
Habitat: meadows
Wetlands: Occurs usually in non wetlands, occasionally in wetlands
Name Status:
Accepted by ICPN + PLANTS + JM93
More information about  Rudbeckia hirta
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Photos on CalPhotos / Google Images
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: Jul 22, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.