Taxon  Report   4066 
Hemizonia congesta  DC.  ssp. calyculata  Babc. & H.M. Hall
Hayfield tarweed,  Mendocino tarplant
Hemizonia congesta ssp. calyculata
© © 2015 John Doyen
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Hemizonia congesta ssp. calyculata
© 2015 John Doyen
Hemizonia congesta ssp. calyculata
© 2015 John Doyen
Hemizonia congesta ssp. calyculata, a dicot, is an annual herb that is native to California and is endemic (limited) to California.
It is included in the CNPS Inventory of Rare and Endangered Plants on list 4.3 (limited distribution).   7th Edition  /  8th Edition

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Hemizonia congesta ssp. calyculata
© 2015 John Doyen
Genus: Hemizonia
Parent Record Hemizonia congesta
Valley Grassland, Foothill Woodland
AFFINITY to serpentine soil:   1.5 (weak indicator)   [Safford et al 2005]
Distribution by County 

Add an Observation of  Hemizonia congesta ssp. calyculata

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

CNPS + PLANTS: Hemizonia calyculata
More information about  Hemizonia congesta ssp. calyculata
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 22, 2016).

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