Species Details

Arabis aculeolata

Waldo rockcress

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Classification

Scientific Name: Arabis aculeolata Greene
Common Name: Waldo rockcress
Family:	Brassicaceae
Element Code:	PDBRA06010
USDA Plants Symbol:	ARAC4
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	2B.2
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S2
Other Status:	SB_BerrySB
CRPR Changes: changed from 2.2 to 2B.2 on 2012-04-11
Add Date:	1980-01-01
Date Edited:	2022-03-01

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Apr-Jun
Elevation: 410 - 1800 meters 1345 - 5905 feet
General Habitat: Broadleafed upland forest Lower montane coniferous forest Upper montane coniferous forest
General Micro Habitat:
Micro Habitat: Serpentinite

Notes

Notes: On watch list in OR.
Threats: Threatened by logging and mining.
Taxonomy: Not in TJM 2.
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					8
A	B	C	D	X	U
0	0	0	0	0	8

Occurrence Status:
Historical >20 Years	6
Recent <=20 Years	2

Presence:
Presumed Extant	8
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

California Counties and Islands: Name (Code)
Del Norte (DNT), Siskiyou (SIS)

Quads: Name (Quad Code)
Broken Rib Mtn. (4112386), Clear Creek (4112364), Devils Punchbowl (4112376), Hamburg (4112371), High Divide (4112481), High Plateau Mtn. (4112388), Kangaroo Mtn. (4112382), Preston Peak (4112375), Shelly Creek Ridge (4112387)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

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Counties Quads

Selected References

CNPS Status Review:	CRPR List Deletion on 2012-04-11
Original Description:	Leaflets of Botanical Observation and Criticism 2:69-88 (1910)
Taxonomic Treatment:	Rhodora 43(511):352-353 (1941)
Species Account:	Arabis aculeolata profile for potential Species of Conservation Concern evaluation (2018)
Other:	Contributions from the Gray Herbarium 204:151 (1973)