Hemizonia congesta ssp. luzulifolia Calflora

Distribution by County 4070

Hemizonia congesta DC. ssp. luzulifolia (DC.) Babc. & H. M. Hall

Hayfield tarweed, Woodrush tarweed

Hemizonia congesta ssp. luzulifolia is an annual herb that is native to California.

Record Count by County


Alameda: 45	Mendocino: 16	San Joaquin: 3	Sutter: 5
Butte: 45	Merced: 1	San Luis Obispo: 125	Tehama: 5
Colusa: 28	Monterey: 21	San Mateo: 100	Trinity: 4
Contra Costa: 64	Napa: 39	Santa Barbara: 35	Ventura: 1
El Dorado: 2	Nevada: 1	Santa Clara: 258	Yolo: 35
Glenn: 12	Placer: 1	Santa Cruz: 15	Yuba: 1
Lake: 19	Sacramento: 10	Shasta: 1
Los Angeles: 3	San Benito: 54	Solano: 36
Marin: 4	San Francisco: 4	Sonoma: 69

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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 01/16/2026).