Calflora, a 501c3 non-profit
Distribution by County   4500    
Juncus triformis  Engelm.
Yosemite dwarf rush
Juncus triformis is an annual grasslike herb that is native to California, and endemic (limited) to California.
Record Count by County

Butte: 28 Mariposa: 2 San Bernardino: 8 Tulare: 4
El Dorado: 2 Nevada: 2 San Diego: 30 Tuolumne: 16
Fresno: 13 Placer: 2 Shasta: 21
Madera: 4 Riverside: 2 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]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/14/2025).