Taxon  Report   4067 
Hemizonia congesta  DC.  ssp. clevelandii  (E. Greene) Babcock & H.M. Hall
Cleveland's tarweed,  Hayfield tarweed
Hemizonia congesta ssp. clevelandii
© 2013 Jake Ruygt
Click on a photo to see it bigger.
Hemizonia congesta ssp. clevelandii
© 2007 Keir Morse
Hemizonia congesta ssp. clevelandii
© 2007 Keir Morse
Hemizonia congesta ssp. clevelandii, a dicot, is an annual herb that is native to California and is also found outside of California, but is confined to western North America.

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Bloom Period
Hemizonia congesta ssp. clevelandii
© 2009 Zoya Akulova
Genus: Hemizonia
Parent Record Hemizonia congesta
Southern Oak Woodland, Foothill Woodland, Valley Grassland
Distribution by County 

Add an Observation of  Hemizonia congesta ssp. clevelandii

Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
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PLANTS: Hemizonia clevelandii
More information about  Hemizonia congesta ssp. clevelandii
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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