Species Details

Arctostaphylos glandulosa ssp. gabrielensis

San Gabriel manzanita

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Photo of Arctostaphylos glandulosa ssp. gabrielensis
© 2016 Neal Kramer
Photo of Arctostaphylos glandulosa ssp. gabrielensis
© 2016 Neal Kramer
Photo of Arctostaphylos glandulosa ssp. gabrielensis
© 2016 Neal Kramer
Scientific Name:
Arctostaphylos glandulosa Eastw. ssp. gabrielensis (P.V. Wells) J.E. Keeley, M.C. Vasey & V.T. Parker
Common Name:
San Gabriel manzanita
Family: Ericaceae
Element Code: PDERI042P0
USDA Plants Symbol:
Synonyms/Other Names:
Lifeform: perennial evergreen shrub
Blooming Period: Mar
JFMAMJJASOND
Elevation:
595 - 1500 meters
1950 - 4920 feet
General Habitats:
  • Chaparral (rocky)
Microhabitat Details:
Microhabitat:
Notes:
Known only from Mill Creek Summit divide in the San Gabriel Mtns. Threatened by powerline construction. See Four Seasons 9(2):46 (1992) for original description.
Threats:
Taxonomy:
Threat List Total: 5
Total EOs % of EOs
EOs with Threat Listed: 1 3 %
THREAT LIST:
Development 1 2%
Foot traffic/trampling 1 2%
Other 1 2%
Road/trail construction/maint. 1 2%
Wood cutting or brush clearing 1 2%
Total Occurrences: 35
Element Occurrence Ranks:
A B C D X U
0 1 0 0 0 34
Occurrence Status:
Historical >20 Years 19
Recent <=20 Years 16
Presence:
Presumed Extant 35
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Los Angeles (LAX), San Bernardino (SBD), Santa Barbara (SBA)
Quads: Name (Quad Code)
Acton (3411842), Bates Canyon (3411988), Chilao Flat (3411831), Condor Peak (3411832), Crystal Lake (3411737), Cucamonga Peak (3411725), Juniper Hills (3411748), Manzanita Mtn. (3412081), Miranda Pine Mtn. (3512011), Mount San Antonio (3411736), Mt. Baldy (3411726), Mt. Wilson (3411821), Pacifico Mountain (3411841), Peak Mountain (3411987), Taylor Canyon (3511918), Waterman Mtn. (3411738)
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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