Arctostaphylos silvicola
Common Name: Bonny Doon manzanita
Family: Ericaceae
Element Code: PDERI041F0
Full Name: Arctostaphylos silvicola Jeps. & Wies.

© 2004 Aaron Schusteff
Biology Glossary
  • Lifeform: perennial evergreen shrub
  • Blooming Period: January - March
  • Habitat: inland marine sands.
    • Closed-cone coniferous forest
    • Chaparral
    • Lower montane coniferous forest
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 16
  • Element Occurrence Ranks:
    A B C D X U
    1 1 1 1 0 12
  • Population Status:
    >20 yrs
    <=20 yrs
    9 7
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    16 0 0
Notes Glossary
  • Threatened by sand mining and urbanization. See Erythea 8:101 (1938) for original description.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 1974-01-01
  • Last Update: 2012-09-04
Location Glossary
  • Elevation: 120 - 600 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Santa Cruz (SCR)
  • Quads:   name (DWR code) USGS code
    Laurel (407C) 37121A8,  Castle Rock Ridge (408A) 37122B1,  Big Basin (408B) 37122B2,  Davenport (408C) 37122A2,  Felton (408D) 37122A1
  • Notes:
      Definitions of codes preceding a county and/or quad:
      * Presumed extirpated
      ? Uncertain about distribution or identity
      ?* Uncertain about distribution, but presumed extirpated if once present
      (?) Occurrence confirmed, but possibly extirpated
      Species may be present in other areas where conditions are favorable.
Presumed Extant Presumed Extirpated or Unknown 43
Links to Leading Resources of Taxon Information
Suggested Citation
CNPS, Rare Plant Program. . Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Website [accessed ].

37121A8=Laurel (407C) 37121A8;37122B1=Castle Rock Ridge (408A) 37122B1;37122B2=Big Basin (408B) 37122B2;37122A2=Davenport (408C) 37122A2;37122A1=Felton (408D) 37122A1