Arabis mcdonaldiana Calflora

Calflora, a 501c3 non-profit

Taxon Report

Arabis mcdonaldiana Eastw.

Mcdonald's rock cress

2012 Gerald Carr

Arabis mcdonaldiana is a perennial herb that is native to California, and also found in Oregon.

also called Arabis macdonaldiana

California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).

State of California status: Endangered. Federal status: Endangered.


	Plant Range Observation Search (75 records) Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Genus:	Arabis
Family:	Brassicaceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Ultramafic affinity: 5.4 - broad endemic

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

Name Status:
Accepted by JEF + CNPS

Alternate Names:


JEF	Arabis blepharophylla var. macdonaldiana
JEF + CNPS	Arabis macdonaldiana
JEF	Arabis serpentinicola

Information about Arabis mcdonaldiana from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape CNPS Inventory: 1B.1 Consortium of California Herbaria 2	Add an Observation Location Suitability Planting Guide Distribution by County
photos / record / common / links

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 12/06/2023).