Species Details

Arctostaphylos andersonii

Anderson's manzanita

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Photo of Arctostaphylos andersonii
© 2018 Jason Matthias Mills
Photo of Arctostaphylos andersonii
© 2010 Zoya Akulova
Photo of Arctostaphylos andersonii
© 2010 Neal Kramer
Scientific Name:
Arctostaphylos andersonii Gray
Common Name:
Anderson's manzanita
Family: Ericaceae
Element Code: PDERI04030
USDA Plants Symbol: ARAN2
Synonyms/Other Names:
Lifeform: perennial evergreen shrub
Blooming Period: Nov-May
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Elevation:
60 - 760 meters
195 - 2495 feet
General Habitats:
  • Broadleafed upland forest
  • Chaparral
  • North Coast coniferous forest
Microhabitat Details:
Microhabitat:
  • Edges
  • Openings
Notes:
Confused with other species merged with it as varieties. Threatened by development and road maintenance. See Proceedings of the American Academy of Arts and Sciences 11:83 (1876) for original description, and North American Flora 29:98 (1914) for additional information.
Threats:
Taxonomy:
Threat List Total: 11
Total EOs % of EOs
EOs with Threat Listed: 30 47 %
THREAT LIST:
Other 14 21%
Road/trail construction/maint. 14 21%
Logging 11 17%
Non-native plant impacts 5 7%
Development 3 4%
Total Occurrences: 64
Element Occurrence Ranks:
A B C D X U
5 12 12 6 1 28
Occurrence Status:
Historical >20 Years 31
Recent <=20 Years 33
Presence:
Presumed Extant 63
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
San Mateo (SMT), Santa Clara (SCL), Santa Cruz (SCR)
Quads: Name (Quad Code)
Big Basin (3712222), Davenport (3712212), Felton (3712211), Franklin Point (3712223), La Honda (3712233), Laurel (3712118), Loma Prieta (3712117), Mt. Madonna (3712116), Santa Cruz (3612281), Soquel (3612188), Watsonville East (3612186), Watsonville West (3612187), Woodside (3712243)
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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