Calflora, a 501c3 non-profit
Distribution by County   6909    
Psilocarphus brevissimus  Nutt.  var. brevissimus 
Short woollyheads, Woolly heads, Woolly marbles
Psilocarphus brevissimus var. brevissimus is an annual herb that is native to California.
Record Count by County

Alameda: 10 Lassen: 32 Riverside: 35 Siskiyou: 10
Amador: 2 Los Angeles: 5 Sacramento: 28 Solano: 16
Butte: 27 Madera: 6 San Benito: 4 Sonoma: 3
Calaveras: 2 Mariposa: 2 San Bernardino: 12 Stanislaus: 4
Colusa: 6 Merced: 27 San Diego: 45 Sutter: 3
Contra Costa: 6 Modoc: 15 San Joaquin: 7 Tehama: 30
El Dorado: 1 Monterey: 11 San Luis Obispo: 13 Tulare: 4
Fresno: 10 Napa: 8 San Mateo: 3 Tuolumne: 3
Glenn: 3 Nevada: 5 Santa Barbara: 13 Ventura: 16
Humboldt: 1 Orange: 10 Santa Clara: 6 Yolo: 38
Kern: 2 Placer: 4 Shasta: 16 Yuba: 3
Lake: 4 Plumas: 10 Sierra: 8

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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 01/23/2026).