Taxon Report

Agave utahensis (Engelm.) Gentry var. nevadensis Engelm.

Clark Mountain agave

Print Report

Taxon Summary

Agave utahensis var. nevadensis, commonly known as Clark Mountain agave, is a perennial leaf in the Agavaceae that is found in California and elsewhere. It occurs within Joshua tree "woodland", Mojavean desert scrub, and Pinyon and juniper woodland, growing at elevations from 900 to 1585 meters. Agave utahensis var. nevadensis is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

Classification


Scientific Name:	Agave utahensis (Engelm.) Gentry var. nevadensis Engelm.
Common Name:	Clark Mountain agave
Family:	Agavaceae
Element Code:	PMAGA010S3
USDA Plants Symbol:	AGUTN
Synonyms/Other Names:	Agave utahensis (Engelm.) Gentry

Ecology and Life History


Lifeform:	perennial leaf
Blooming Period: May-Jul	May-Jul
Elevation:	900-1585 (2955-5200)
General Habitats:	Joshua tree "woodland", Mojavean desert scrub, Pinyon and juniper woodland
Microhabitat:	Carbonate (sometimes), Volcanic (sometimes)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.2
Global Rank:	G4T3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB


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

Location


California Endemic: False
California Counties and Islands: Name (Code)
Inyo (INY), San Bernardino (SBD)
Quads: Name (Quad Code)
Blackwater Mine (3511577), Cima Dome (3511535), Clark Mtn. (3511555), Horse Thief Springs (3511578), Ivanpah Lake (3511554), Mescal Range (3511545), Mesquite Lake (3511565), Mesquite Mountains (3511566), Mineral Hill (3511544), Pachalka Spring (3511556), State Line Pass (3511564)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	0 %

Notes



A synonym of A. utahensis in The Jepson Manual. See Annals of the Missouri Botanical Garden 16:390 (1929) for original description.
Threats:
Threatened by horticultural collecting.
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 25 February 2025].