Taxon  Report   4071 
Hemizonia congesta  DC.  ssp. tracyi  Babc. & H.M. Hall
Tracy's tarplant,  hayfield tarweed
Hemizonia congesta ssp. tracyi, 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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 Distribution by County 

point, line, or polygon

one or more occurrences within a 7.5-minute quadrangle

 Plant Characteristics
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Bloom Period
Hemizonia congesta ssp. tracyi
© 2007 Ellen Tatum
Hemizonia congesta ssp. tracyi
© 2007 Ellen Tatum
Coastal Prairie, Yellow Pine Forest, Redwood Forest
Habitat: openings [CNPS Inventory]
AFFINITY to serpentine soil:   1.8 (weak indicator)   [Safford et al 2005]
Genus: Hemizonia
Parent Record Hemizonia congesta.
Add an Observation of  Hemizonia congesta ssp. tracyi
Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Hemizonia luzulifolia ssp. tracyi
CNPS + PLANTS: Hemizonia tracyi
 Information about  Hemizonia congesta ssp. tracyi  from other sources:

Nursery availability and horticultural info on CNPLX

Photos on CalPhotos / Google Images

website references on Google

Jepson eFlora (TJM2)

Records from the Consortium of California Herbaria

Original Publication citation. on the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2015. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Apr 01, 2015).

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