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Distribution by County   13225    
Primula hendersonii  (A. Gray) Mast & Reveal
Mosquito bill
Primula hendersonii is a perennial herb that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 48 Lake: 59 Sacramento: 12 Solano: 33
Amador: 19 Lassen: 4 San Benito: 44 Sonoma: 125
Butte: 84 Madera: 6 San Bernardino: 21 Stanislaus: 7
Calaveras: 13 Marin: 159 San Francisco: 9 Sutter: 4
Colusa: 24 Mariposa: 16 San Joaquin: 1 Tehama: 28
Contra Costa: 146 Mendocino: 65 San Luis Obispo: 1 Trinity: 92
Del Norte: 2 Merced: 4 San Mateo: 94 Tulare: 18
El Dorado: 55 Modoc: 2 Santa Barbara: 3 Tuolumne: 42
Fresno: 32 Monterey: 13 Santa Clara: 116 Yolo: 9
Glenn: 9 Napa: 87 Santa Cruz: 28 Yuba: 12
Humboldt: 40 Nevada: 26 Shasta: 72
Inyo: 2 Placer: 50 Sierra: 4
Kern: 7 Plumas: 13 Siskiyou: 2

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).