Taxon  Report   4071    
Hemizonia congesta  DC.  ssp. tracyi  Babc. & H. M. Hall
Hayfield tarweed,  Tracy's tarplant
Hemizonia congesta ssp. tracyi, a dicot, is an annual herb that is native to California, and is endemic (limited) to California.
also called Hemizonia tracyi
California Rare Plant Rank: 4.3 (limited distribution).   CNPS Inventory
Observation Search
(observation details)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Genus: Hemizonia
Parent: Hemizonia congesta
Serpentine affinity: 1.8; (weak indicator)

Habitat: openings

Communities: Coastal Prairie, Yellow Pine Forest, Redwood Forest

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Hemizonia luzulifolia ssp. tracyi
CNPS + PLANTS: Hemizonia tracyi
More information about  Hemizonia congesta ssp. tracyi
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora


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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Nov 19, 2019).