Calflora
Taxon  Report   4065    
Hemizonia congesta  DC.
Hayfield tarweed
Hemizonia congesta, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America.
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

Bloom Period

Communities: Valley Grassland, Northern Coastal Scrub, Foothill Woodland, Southern Oak Woodland
Name Status:
Accepted by JEF + PLANTS

 
More information about  Hemizonia congesta
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

USDA PLANTS Profile (HECO7)

The Joy of Search: A Google Insider's Guide to Going Beyond the :  A bit of the book by David M Russell


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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Jul 04, 2020).