Calflora, a 501c3 non-profit
Taxon  Report  
Botrypus virginianus  (L.) Michx.
Rattlesnake fern
Botrypus virginianus is a fern that is native to California.
also called Botrychium virginianum
California Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).   CNDDB
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
(37 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Genus: Botrypus
Family: Ophioglossaceae  
Category: fern  
PLANTS group:Fern
Jepson eFlora section: fern

Wetlands: Equally likely to occur in wetlands and non wetlands
Name Status:
Accepted by JEF + CNPS
Alternate Names:
JEF + CNPSBotrychium virginianum
PLANTSBotrychium virginianum
More information about  Botrypus virginianus
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

CNPS Inventory


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]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 10/02/2022).