Taxon Report

Cusickiella quadricostata (Roll.) Roll.

Bodie Hills cusickiella

Print Report

Taxon Summary

Cusickiella quadricostata, commonly known as Bodie Hills cusickiella, is a perennial herb in the Brassicaceae that is found in California and elsewhere. It occurs within Great Basin scrub, and Pinyon and juniper woodland, growing at elevations from 2000 to 2800 meters. Cusickiella quadricostata is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Cusickiella quadricostata (Roll.) Roll.
Common Name:	Bodie Hills cusickiella
Family:	Brassicaceae
Element Code:	PDBRA2V010
USDA Plants Symbol:	CUQU
Synonyms/Other Names:	Draba quadricostata Roll.

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: May-Jul	May-Jul
Elevation:	2000-2800 (6560-9185)
General Habitats:	Great Basin scrub, Pinyon and juniper woodland
Microhabitat:	Clay (sometimes), Rocky (sometimes)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	BLM_S; SB_SBBG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	28
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	2
Fair (C)	2
Poor (D)	0
None (X)	0
Unknown (U)	24

Location


California Endemic: False
California Counties and Islands: Name (Code)
Mono (MNO)
Quads: Name (Quad Code)
Aurora (3811838), Big Alkali (3811922), Bodie (3811921), Bridgeport (3811932), Dome Hill (3811931), Lundy (3811912), Negit Island (3811911), Risue Canyon (3811954)

Threat List Data from the CNDDB


Threat List Total:	8
EOs with Threat Listed:	Total EOs	% of EOs
	20	71 %
Grazing	12	42%
Mining	9	32%
Road/trail construction/maint.	8	28%
Foot traffic/trampling	5	17%
Erosion/runoff	1	3%
ORV activity	1	3%
Other	1	3%
Recreational use (non-ORV)	1	3%

Notes



Not as common as previously thought. Threatened by mining, grazing, and vehicles. On watch list in NV. See Contributions from the Dudley Herbarium 3:366 (1946) for original description.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 29 October 2025].