Helminthotheca echioides Calflora

Distribution by County 10921

Helminthotheca echioides (L.) Holub

Bristly ox-tongue

Helminthotheca echioides is an annual or perennial herb that is not native to California.

Cal-IPC rating: limited

Record Count by County


Alameda: 144	Los Angeles: 182	San Benito: 15	Solano: 112
Butte: 25	Marin: 174	San Bernardino: 17	Sonoma: 270
Colusa: 9	Mendocino: 25	San Diego: 509	Stanislaus: 5
Contra Costa: 104	Merced: 20	San Francisco: 76	Sutter: 7
El Dorado: 4	Monterey: 94	San Joaquin: 9	Tulare: 1
Fresno: 3	Napa: 37	San Luis Obispo: 98	Ventura: 95
Glenn: 8	Orange: 127	San Mateo: 331	Yolo: 55
Humboldt: 63	Placer: 8	Santa Barbara: 105
Kern: 1	Riverside: 32	Santa Clara: 105
Lake: 4	Sacramento: 55	Santa Cruz: 79

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).