Species Details

Arctostaphylos imbricata

San Bruno Mountain manzanita

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Photo of Arctostaphylos imbricata
© 2013 Robert Sikora
Photo of Arctostaphylos imbricata
© 2013 Aaron Schusteff
Photo of Arctostaphylos imbricata
© 2004 David Graber
Scientific Name:
Arctostaphylos imbricata Eastw.
Common Name:
San Bruno Mountain manzanita
Family: Ericaceae
Element Code: PDERI040L0
USDA Plants Symbol: ARIM
Synonyms/Other Names:
Lifeform: perennial evergreen shrub
Blooming Period: Feb-May
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Elevation:
275 - 370 meters
900 - 1215 feet
General Habitats:
  • Chaparral
  • Coastal scrub
Microhabitat Details:
Microhabitat:
  • Rocky
Notes:
Threatened by fungal infection, and possibly by alteration of fire regimes. All occurrences are within the boundaries of the San Bruno Mtn. HCP. See Proceedings of the California Academy of Sciences IV 20:149 (1931) for original description.
Threats:
Taxonomy:
Threat List Total: 2
Total EOs % of EOs
EOs with Threat Listed: 1 50 %
THREAT LIST:
ORV activity 1 50%
Other 1 50%
Total Occurrences: 2
Element Occurrence Ranks:
A B C D X U
1 0 0 0 0 1
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 1
Presence:
Presumed Extant 2
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.
Presumed Extant
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