Calflora
Taxon  Report   11264    
Arabis mcdonaldiana  Eastw.
Mcdonald's rock cress
Arabis mcdonaldiana, a dicot, is a perennial herb that is native to California and Oregon.
also called Arabis macdonaldiana
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).   CNDDB

It is listed by the State of California as Endangered and by the Federal Government as 'Endangered '.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
(63 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Family: BRASSICACEAE  
Genus: Arabis

Ultramafic affinity: 5.4; (broad endemic)

Communities: Lodgepole Forest, Red Fir Forest, Yellow Pine Forest

Name Status:
Accepted by JEF + CNPS

 Alternate Names:
JEF: Arabis blepharophylla var. macdonaldiana
JEF + CNPS: Arabis macdonaldiana
JEF: Arabis serpentinicola
More information about  Arabis mcdonaldiana
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

Search efloras.org (Flora of North America)

Landscape information from Calscape

Photos on Google Images

Consortium of California Herbaria 2

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]. 2021. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Jan 16, 2021).