Calflora, a 501c3 non-profit
Distribution by County   4098    
Hemizonia pungens  (Hook. & Arn.) Torr. & A. Gray  ssp. maritima  (Greene) D. D. Keck

(not an active name)
Common tarweed,   Maritime spikeweed
Hemizonia pungens ssp. maritima is an annual herb that is native to California, and endemic (limited) to California.
also called Centromadia pungens ssp. pungens
Record Count by County

Alameda: 50 Los Angeles: 10 San Benito: 197 Santa Cruz: 5
Butte: 1 Madera: 1 San Bernardino: 4 Siskiyou: 1
Colusa: 6 Marin: 1 San Diego: 4 Solano: 11
Contra Costa: 24 Merced: 22 San Francisco: 3 Sonoma: 5
Fresno: 36 Monterey: 101 San Joaquin: 7 Stanislaus: 12
Kern: 105 Napa: 3 San Luis Obispo: 30 Sutter: 3
Kings: 4 Nevada: 1 San Mateo: 15 Tulare: 24
Lake: 2 Riverside: 16 Santa Barbara: 1 Yolo: 3
Lassen: 5 Sacramento: 2 Santa Clara: 45

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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/21/2024).