Species Details

Arctostaphylos nissenana

Nissenan manzanita

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Scientific Name:
Arctostaphylos nissenana Merriam
Common Name:
Nissenan manzanita
Family: Ericaceae
Element Code: PDERI040V0
USDA Plants Symbol: ARNI4
Synonyms/Other Names:
Lifeform: perennial evergreen shrub
Blooming Period: Feb-Mar
Elevation:
450 - 1100 meters
1475 - 3610 feet
General Habitat:
  • Closed-cone coniferous forest
  • Chaparral
General Micro Habitat:
Micro Habitat:
  • Rocky
Notes:
Threatened by development. See Proceedings of the Biological Society of Washington 31:102 (1918) for original description, Four Seasons 1(4):7-15 (1966) for species account, and Four Seasons 6(4):12-16 (1983) for range extension information.
Threats:
Taxonomy:
Other:
Total Occurrences: 13
Element Occurrence Ranks:
A B C D X U
1 1 2 1 1 7
Occurrence Status:
Historical >20 Years 6
Recent <=20 Years 7
Presence:
Presumed Extant 12
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
El Dorado (ELD), Placer (PLA), Tuolumne (TUO)
Quads: Name (Quad Code)
Camino (3812066), Garden Valley (3812077), Georgetown (3812087), Michigan Bluff (3912016), Placerville (3812067), Pollock Pines (3812075), Slate Mtn. (3812076), Sonora (3712084)
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