Species Details

Arctostaphylos ohloneana

Ohlone manzanita

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Scientific Name:
Arctostaphylos ohloneana M.C. Vasey & V.T. Parker
Common Name:
Ohlone manzanita
Family: Ericaceae
Element Code: PDERI042Y0
USDA Plants Symbol: AROH2
Synonyms/Other Names:
CA Rare Plant Rank: 1B.1
Fed List: None
State List: None
Global Rank: G1
State Rank:
S1
Other Status: SB_CalBG/RSABG; SB_USDA
CRPR Changes:
added to 1B.1 on 2009-04-02
Add Date: 2009-04-02
Date Edited: 2021-05-26
Lifeform: evergreen shrub
Blooming Period: Feb-Mar
Elevation:
450 - 530 meters
1475 - 1740 feet
General Habitat:
  • Closed-cone coniferous forest
  • Coastal scrub
General Micro Habitat: siliceous shale
Micro Habitat:
Notes:
Possibly threatened by road maintenance and vehicles. Potentially threatened by Phytophthora root rot. See MadroƱo 55(3):238-243 for original description.
Threats:
Taxonomy:
Other:
References:
Total Occurrences: 4
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 4
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 3
Presence:
Presumed Extant 4
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Santa Cruz (SCR)
Quads: Name (Quad Code)
Big Basin (3712222), Davenport (3712212)
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.

Map

Presumed Extant
Counties   Quads