Taxon Details

Arctostaphylos nortensis

Del Norte manzanita

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Taxon Summary:

Arctostaphylos nortensis, commonly known as Del Norte manzanita, is a perennial evergreen shrub in the Ericaceae that is found in California and elsewhere. It occurs within Chaparral, and Lower montane coniferous forest, growing at elevations from 500 to 800 meters. Arctostaphylos nortensis is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification

Scientific Name: Arctostaphylos nortensis Wells
Common Name: Del Norte manzanita
Family:	Ericaceae
Element Code:	PDERI04092
USDA Plants Symbol:	ARNO6
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	IUCN_LC; SB_UCSC
CRPR Changes:
Add Date:	1994-01-01
Date Edited:	2023-05-02

Ecology and Life History

Lifeform: perennial evergreen shrub

Blooming Period: Feb

Elevation:
500 - 800 meters
1640 - 2625 feet

General Habitats:

Chaparral
Lower montane coniferous forest

Microhabitat Details:

Microhabitat:

Serpentine (often)

Notes

Notes: Plant may occur in adjacent OR.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	0 %

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					0
A	B	C	D	X	U
0	0	0	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	0

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)?

California Counties and Islands: Name (Code)
Del Norte (DNT)

Quads: Name (Quad Code)
Broken Rib Mtn. (4112386), Cant Hook Mtn. (4112368), Childs Hill (4112461), Gasquet (4112378), High Divide (4112481), Hiouchi (4112471), Shelly Creek Ridge (4112387), Smith River (4112482)

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.

Regional Map

Map

Presumed Extant

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Original Description:	Four Seasons 8(1):50 (1988)
Revised Nomenclature:	Four Seasons 9(2):54-59 (1992)
Species Account:	Arctostaphylos nortensis profile for potential Species of Conservation Concern evaluation (2018).

CNPS Rare Plant Inventory