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Distribution by County   459    
Arabis holboellii  Hornem.  var. retrofracta  (Graham) Rydb.

(not an active name)
Backward splitting holboell's rock cress,   Holboell's rockcress,   Second rockcress
Arabis holboellii var. retrofracta is a perennial herb that is native to California.
also called Boechera retrofracta
Record Count by County

Alpine: 26 Kern: 4 Nevada: 22 Siskiyou: 13
Amador: 1 Lassen: 44 Placer: 15 Tehama: 3
Butte: 2 Los Angeles: 2 Plumas: 49 Trinity: 28
El Dorado: 24 Madera: 1 Riverside: 7 Tulare: 16
Fresno: 33 Mariposa: 2 San Bernardino: 48 Tuolumne: 3
Glenn: 2 Mendocino: 3 San Diego: 3 Ventura: 1
Humboldt: 4 Modoc: 24 Shasta: 12
Inyo: 47 Mono: 84 Sierra: 28

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: 11/21/2024).