Calflora, a 501c3 non-profit
Distribution by County   10702    
Swertia radiata  (Kellogg) Kuntze  var. radiata 

(not an active name)
Elkweed
Swertia radiata var. radiata is a perennial herb that is native to California.
also called Frasera speciosa
Record Count by County

Alpine: 49 Humboldt: 15 Modoc: 11 Trinity: 6
Amador: 4 Inyo: 4 Mono: 24 Tulare: 1
El Dorado: 12 Madera: 3 Placer: 3 Tuolumne: 13
Fresno: 7 Mariposa: 3 Siskiyou: 19
Glenn: 9 Mendocino: 4 Tehama: 3

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: 02/11/2026).