Calflora, a 501c3 non-profit
Distribution by County   120    
Ageratina shastensis  (D. W. Taylor & Stebbins) R. M. King & H. Rob.
Shasta ageratina,   Shasta eupatorium
Ageratina shastensis is a perennial herb that is native to California, and endemic (limited) to California.
also called Eupatorium shastense
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   CNDDB
Record Count by County

Shasta: 56 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]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 12/06/2022).