Arabis holboellii var. retrofracta Calflora

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.

Record Count by County


Alpine: 28	Inyo: 35	Mono: 79	Sierra: 28
Amador: 1	Kern: 3	Nevada: 24	Siskiyou: 102
Butte: 2	Lassen: 49	Placer: 14	Tehama: 3
Del Norte: 3	Los Angeles: 2	Plumas: 57	Trinity: 51
El Dorado: 26	Madera: 1	Riverside: 5	Tulare: 11
Fresno: 30	Mariposa: 2	San Bernardino: 30	Tuolumne: 3
Glenn: 2	Mendocino: 3	San Diego: 2	Ventura: 1
Humboldt: 16	Modoc: 36	Shasta: 22

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: 03/16/2026).