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Distribution by County   12220    
Anthoceros fusiformis  Austin
Hornwort
Anthoceros fusiformis is a hornwort that is native to California.
Record Count by County

Alameda: 2 Lake: 2 Sacramento: 8 Shasta: 19
Alpine: 1 Los Angeles: 11 San Benito: 1 Sonoma: 4
Amador: 1 Madera: 1 San Bernardino: 1 Stanislaus: 2
Butte: 4 Marin: 9 San Diego: 1 Trinity: 3
Calaveras: 1 Mariposa: 5 San Luis Obispo: 3 Tulare: 5
Contra Costa: 5 Mendocino: 7 San Mateo: 1 Tuolumne: 2
Del Norte: 2 Monterey: 5 Santa Barbara: 2 Ventura: 7
Fresno: 4 Napa: 1 Santa Clara: 15
Humboldt: 6 Placer: 5 Santa Cruz: 1

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]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/15/2025).