Taxon Report

Artemisia nesiotica Raven

island sagebrush

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Taxon Summary

Artemisia nesiotica, commonly known as island sagebrush, is a perennial evergreen shrub in the Asteraceae that is found only in California. It occurs within Coastal scrub (rocky), and Valley and foothill grassland, growing at elevations from 5 to 175 meters. Artemisia nesiotica is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Artemisia nesiotica Raven
Common Name:	island sagebrush
Family:	Asteraceae
Element Code:	PDAST0S120
USDA Plants Symbol:	ARNE6
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial evergreen shrub
Blooming Period: Apr-Sep	Apr-Sep
Elevation:	5-175 (15-575)
General Habitats:	Coastal scrub, Valley and foothill grassland
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
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: True
California Counties and Islands: Name (Code)
Los Angeles (LAX), Santa Barbara (SBA), Ventura (VEN)
Quads: Name (Quad Code)
San Clemente Island Central (3211874), San Clemente Island North (3211885), San Clemente Island South (3211873), San Nicolas Island (3311924), Santa Barbara Island (3311848)

Threat List Data from the CNDDB


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

Notes



Possibly threatened by non-native plants. Recovering on SCM Isl. after removal of feral herbivores. See Aliso 5(3):341 (1963) 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 3 March 2025].