CNPS Inventory Plant Detail

Arctostaphylos morroensis

Common Name:	Morro manzanita
Family:	Ericaceae
Synonyms:
Element Code:	PDERI040S0
Full Name:	Arctostaphylos morroensis Wies. & Schreib.
USDA PLANTS Symbol:	ARMO2

Biology
Lifeform: perennial evergreen shrub Blooming Period: December - March Habitat: Baywood fine sand. • Chaparral (maritime) • Cismontane woodland • Coastal dunes (pre-Flandrian) • Coastal scrub

Rarity Status
Rare Plant Rank: 1B.1 Rare, threatened, or endangered in California and elsewhere .1: Seriously endangered in California Federal Listing Status: FT Threatened (12/15/94) State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G2 G2: Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Historic >20 yrs	Recent <=20 yrs
6	1

Presence:

Present Extant	Possibly Extirpated	Extirpated
7	0	0

Notes

Known from fewer than 10 occurrences in the Morro Bay area; estimated to cover less than 350 acres as of 1996. Threatened by urbanization, alteration of fire regimes, and non-native plants. See Madroño 5(1):42 (1939) 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: 1974-01-01
Last Update: 2012-02-13

Location

Elevation: 5 - 205 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
San Luis Obispo (SLO)

Quads: name (DWR code) USGS code
San Luis Obispo (246C) 35120C6, Morro Bay South (247D) 35120C7

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

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Wildlife: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society. Sacramento, CA. http://www.rareplants.cnps.org. Accessed .

-120.625,35.25