Taxon Report

Arctostaphylos obispoensis Eastw.

Bishop manzanita

Print Report

Taxon Summary

Arctostaphylos obispoensis, commonly known as Bishop manzanita, is a perennial evergreen shrub in the Ericaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, and Closed-cone coniferous forest, growing at elevations from 150 to 1005 meters. Arctostaphylos obispoensis is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Arctostaphylos obispoensis Eastw.
Common Name:	Bishop manzanita
Family:	Ericaceae
Element Code:	PDERI040X0
USDA Plants Symbol:	AROB
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial evergreen shrub
Blooming Period: Feb-Jun	Feb-Jun
Elevation:	150-1005 (490-3295)
General Habitats:	Chaparral, Cismontane woodland, Closed-cone coniferous forest
Microhabitat:	Rocky, Serpentine
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:	SB_UCSC; USFS_S
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)
Monterey (MNT), San Luis Obispo (SLO)
Quads: Name (Quad Code)
Alder Peak (3512183), Arroyo Grande NE (3512025), Atascadero (3512046), Burnett Peak (3512172), Burro Mountain (3512173), Cape San Martin (3512184), Cayucos (3512048), Lopez Mtn. (3512035), Morro Bay North (3512047), Morro Bay South (3512037), Nipomo (3512014), Pebblestone Shut-in (3512161), Pismo Beach (3512026), San Luis Obispo (3512036), San Simeon (3512162), Tierra Redonda Mountain (3512078), Villa Creek (3512174), York Mountain (3512057)

Threat List Data from the CNDDB


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

Notes



See Leaflets of Western Botany 2:8 (1937) 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 February 2025].