Home/Species/ Waldo Rockcress

Arabis aculeolata

Greene

Waldo Rockcress

G4Apparently Secure Found in 2 roadless areas NatureServe Explorer →

G4Apparently SecureGlobal Rank

Identity

Unique IDELEMENT_GLOBAL.2.129194

Element CodePDBRA06010

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicendemic to a single nation

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderCapparales

FamilyBrassicaceae

GenusArabis

Concept Reference

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

Conservation Status

Review Date1989-02-08

Change Date1989-02-08

Edition Date1987-06-16

Edition AuthorsBittman, R.L., rev. C. Russell

Range Extent250-20,000 square km (about 100-8000 square miles)

Number of Occurrences21 - 80

Rank Reasons

All censused California populations are quite small; size of Oregon populations not known. EGR supports GRANK of G3 (87-06-16).

Range Extent Comments

Known only from Del Norte and Siskiyou counties, California and in Josephine and Curry counties in Oregon.

Occurrences Comments

7 EOs known in CA; 8 EOs in Oregon.

Threat Impact Comments

Mining, timber harvesting, road building. Mining listed as most serious threat in Oregon.

Ecology & Habitat

Habitat

Generally on serpentine in mixed conifer forest.

Other Nations (1)

United StatesNNR

Province	Rank	Native
Oregon	S3	Yes
California	S2	Yes

Plant Characteristics

Economic Value (Genus)No

Roadless Areas (2)

Oregon (2)

Area	Forest	Acres
North Kalmiopsis	Siskiyou National Forests	91,560
South Kalmiopsis	Siskiyou National Forests	104,477

References (2)

Flora of North America Editorial Committee (FNA). 2010. Flora of North America north of Mexico. Vol. 7. Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York. xxii + 797 pp.
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.