Species Details

Arctostaphylos refugioensis

Refugio manzanita

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Species Description:

Arctostaphylos refugioensis, commonly known as Refugio manzanita, is a perennial evergreen shrub in the Ericaceae that is found only in California. It occurs within Chaparral, growing at elevations from 274 to 820 meters. Arctostaphylos refugioensis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Arctostaphylos refugioensis Gankin
Common Name: Refugio manzanita
Family:	Ericaceae
Element Code:	PDERI041B0
USDA Plants Symbol:	ARRE5
Synonyms/Other Names:
Name Status:	JEP, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:	SB_SBBG; USFS_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial evergreen shrub

Blooming Period: (May)Dec-Mar

Elevation:
274 - 820 meters
900 - 2690 feet

General Habitats:

Chaparral (sandstone)

Microhabitat Details:

Microhabitat:

Notes

Notes: Potentially threatened by development. See Four Seasons 2(2):13 (1967) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	3
	Total EOs	% of EOs
EOs with Threat Listed:	3	11 %
Road/trail construction/maint.	2	7%
Wood cutting or brush clearing	2	7%
Development	1	3%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					27
A	B	C	D	X	U
0	2	1	0	0	24

Occurrence Status:
Historical >20 Years	15
Recent <=20 Years	12

Presence:
Presumed Extant	27
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Santa Barbara (SBA)

Quads: Name (Quad Code)
Gaviota (3412042), Goleta (3411947), Lake Cachuma (3411958), Lompoc (3412064), Lompoc Hills (3412054), Point Conception (3412044), Sacate (3412043), Santa Rosa Hills (3412053), Santa Ynez (3412051), Sisquoc (3412073), Solvang (3412052)

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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CNPS Rare Plant Inventory