Calflora, a 501c3 non-profit
Distribution by County   3024    
Equisetum laevigatum  A. Braun
Horsetail,   Smooth horsetail,   Smooth scouring rush
Equisetum laevigatum is a fern that is native to California, and also found elsewhere in North America and beyond.
Record Count by County

Alameda: 8 Lake: 9 Placer: 6 Siskiyou: 1
Alpine: 8 Lassen: 19 Plumas: 20 Solano: 1
Amador: 2 Los Angeles: 158 Riverside: 72 Sonoma: 26
Butte: 34 Madera: 5 Sacramento: 1 Stanislaus: 1
Colusa: 6 Marin: 10 San Bernardino: 109 Sutter: 5
Contra Costa: 10 Mariposa: 16 San Diego: 98 Tehama: 14
Del Norte: 2 Mendocino: 23 San Francisco: 2 Trinity: 7
El Dorado: 11 Merced: 1 San Luis Obispo: 51 Tulare: 27
Fresno: 28 Modoc: 5 San Mateo: 5 Tuolumne: 8
Glenn: 5 Mono: 55 Santa Barbara: 64 Ventura: 53
Humboldt: 5 Monterey: 45 Santa Clara: 10 Yolo: 3
Imperial: 6 Napa: 19 Santa Cruz: 16 Yuba: 3
Inyo: 42 Nevada: 20 Shasta: 8
Kern: 35 Orange: 27 Sierra: 12

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).