Arctostaphylos stanfordiana ssp. raichei
Common Name: Raiche's manzanita
Family: Ericaceae
Element Code: PDERI041G2
Full Name: Arctostaphylos stanfordiana Parry ssp. raichei Knight

2006 Steve Matson
Biology Glossary
  • Lifeform: perennial evergreen shrub
  • Blooming Period: February - April
  • Habitat: rocky, often serpentinite.
    • Chaparral
    • Lower montane coniferous forest (openings)
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 10
  • Element Occurrence Ranks:
    A B C D X U
    1 0 0 0 0 9
  • Population Status:
    >20 yrs
    <=20 yrs
    8 2
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    10 0 0
Notes Glossary
  • Threatened by urbanization and vehicles. See Four Seasons 7(3):18 (1985) 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: 1988-01-01
  • Last Update: 2015-07-23
Location Glossary
  • Elevation: 450 - 1035 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Lake (LAK),  Mendocino (MEN)
  • Quads:   name (DWR code) USGS code
    Clearlake Highlands (533B) 38122H6,  Whispering Pines (533C) 38122G6,  Kelseyville (534A)? 38122H7,  Highland Springs (534B) 38122H8,  Yorkville (535B) 38123H2,  Cow Mountain (550A) 39123B1,  Elledge Peak (550C) 39123A2,  Purdys Gardens (550D) 39123A1,  Orrs Springs (551A) 39123B3,  Noble Butte (600B) 39123H6,  Leggett (600C) 39123G6
  • 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 44
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 ].

38122H6=Clearlake Highlands (533B) 38122H6;38122G6=Whispering Pines (533C) 38122G6;38122H7=Kelseyville (534A)? 38122H7;38122H8=Highland Springs (534B) 38122H8;38123H2=Yorkville (535B) 38123H2;39123B1=Cow Mountain (550A) 39123B1;39123A2=Elledge Peak (550C) 39123A2;39123A1=Purdys Gardens (550D) 39123A1;39123B3=Orrs Springs (551A) 39123B3;39123H6=Noble Butte (600B) 39123H6;39123G6=Leggett (600C) 39123G6