Calflora, a 501c3 non-profit
Distribution by County   6534    
Piperia michaelii  (Greene) Rydb.
Michael's piperia,   Michael's rein orchid
Piperia michaelii is a perennial herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 4.2 (limited distribution).
Record Count by County

Alameda: 7 Lake: 1 San Benito: 4 Stanislaus: 1
Butte: 6 Los Angeles: 2 San Francisco: 1 Tulare: 1
Contra Costa: 11 Madera: 1 San Luis Obispo: 20 Tuolumne: 4
Del Norte: 1 Marin: 5 San Mateo: 14 Ventura: 4
El Dorado: 2 Merced: 4 Santa Barbara: 14
Fresno: 3 Monterey: 83 Santa Clara: 5
Humboldt: 1 Nevada: 1 Santa Cruz: 27

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: 01/15/2026).