Calflora
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 endemic (limited) to California.
also called Hemizonia tracyi
California Rare Plant Rank: 4.3 (limited distribution).   CNDDB
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
(63 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Family: Asteraceae  
Genus: Hemizonia
Parent: Hemizonia congesta

Ultramafic affinity: 1.8 - weak indicator

Habitat: openings

Communities: Redwood Forest, Yellow Pine Forest, Coastal Prairie

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTSHemizonia luzulifolia ssp. tracyi
CNPS + PLANTSHemizonia tracyi
More information about  Hemizonia congesta ssp. tracyi

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]. 2021. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 10/21/2021).