Species Details

Arctostaphylos pacifica

Pacific manzanita

Download Report Calflora  CCH  CalPhotos
No Photo Available
Scientific Name:
Arctostaphylos pacifica Roof
Common Name:
Pacific manzanita
Family: Ericaceae
Element Code: PDERI040Z0
USDA Plants Symbol: ARPA19
Synonyms/Other Names:
Fed List: None
State List: CE
Global Rank: G1
State Rank:
S1
CA Rare Plant Rank: 1B.1
Other Status:
CRPR Changes:
changed from 1B.2 to 1B.1 on 2017-02-16
added to 1B.2 on 2007-03-05
Add Date: 1974-01-01
Date Edited: 2021-05-26
Lifeform: evergreen shrub
Blooming Period: Feb-Apr
Elevation:
330 - 330 meters
1085 - 1085 feet
General Habitat:
  • Chaparral
  • Coastal scrub
General Micro Habitat:
Micro Habitat:
Notes:
Known only from San Bruno Mountain in San Mateo County. Potentially threatened by alteration of fire regimes and recreational activities. Once considered a hybrid between A. glandulosa and A. uva-ursi. See A. uva-ursi in The Jepson Manual (1993). See Leaflets of Western Botany IX (13-14): 217 (1962) for original description.
Threats:
Taxonomy:
Other:
References:
Total Occurrences: 1
Element Occurrence Ranks:
A B C D X U
0 0 1 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 1
Presence:
Presumed Extant 1
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
San Mateo (SMT)
Quads: Name (Quad Code)
San Francisco South (3712264)
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.

Map

Presumed Extant
Counties   Quads