Calflora, a 501c3 non-profit
Distribution by County   4363    
Iris tenuissima  Dykes  ssp. tenuissima 
Longtube iris,   Slender iris
Iris tenuissima ssp. tenuissima is a perennial herb that is native to California, and endemic (limited) to California.
Record Count by County

Butte: 1 Humboldt: 9 Shasta: 3 Trinity: 8
Del Norte: 1 Placer: 1 Siskiyou: 7

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: 04/25/2024).