Calflora
Distribution by County   6246    
Perideridia gairdneri  (Hook. & Arn.) Mathias
Gairdner's yampah,   Gardner's yampah
Perideridia gairdneri, a dicot, is a perennial herb that is native to California, and also found elsewhere in North America and beyond.
Record Count by County

Contra Costa: 7 Marin: 15 San Benito: 8 Sierra: 1
Del Norte: 1 Mendocino: 3 San Bernardino: 1 Siskiyou: 1
El Dorado: 2 Modoc: 1 San Luis Obispo: 8 Solano: 2
Humboldt: 1 Monterey: 17 San Mateo: 9 Sonoma: 15
Inyo: 1 Napa: 2 Santa Clara: 1 Ventura: 1
Kern: 2 Plumas: 2 Santa Cruz: 6
Lake: 1 Riverside: 1 Shasta: 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]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/23/2022).