Species Details

Arctostaphylos densiflora

Vine Hill manzanita

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Photo of Arctostaphylos densiflora
© 2006 Steve Matson
Photo of Arctostaphylos densiflora
© 2006 Steve Matson
Photo of Arctostaphylos densiflora
© 2010 Aaron Arthur
Scientific Name:
Arctostaphylos densiflora M.S. Baker
Common Name:
Vine Hill manzanita
Family: Ericaceae
Element Code: PDERI040C0
USDA Plants Symbol: ARDE2
Synonyms/Other Names:
CA Rare Plant Rank: 1B.1
Fed List: None
State List: CE (1981-08-01)
Global Rank: G1
State Rank:
S1
Other Status: SB_CalBG/RSABG; SB_UCBG
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2023-09-05
Lifeform: perennial evergreen shrub
Blooming Period: Feb-Apr
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Elevation:
50 - 120 meters
165 - 395 feet
General Habitats:
  • Chaparral (acid marine sand)
Microhabitat Details:
Microhabitat:
Notes:
See Leaflets of Western Botany 1(4):31 (1932) for original description.
Threats:
Threatened by fungal infection. 
Taxonomy:
Threat List Total: 3
Total EOs % of EOs
EOs with Threat Listed: 2 100 %
THREAT LIST:
Disease 2 100%
Road/trail construction/maint. 2 100%
Agriculture 1 50%
Total Occurrences: 2
Element Occurrence Ranks:
A B C D X U
0 0 1 1 0 0
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 1
Presence:
Presumed Extant 2
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Sonoma (SON)
Quads: Name (Quad Code)
Sebastopol (3812247)
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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