CNPS Inventory Plant Detail

Arctostaphylos cruzensis

Common Name:	Arroyo de la Cruz manzanita
Family:	Ericaceae
Synonyms:
Element Code:	PDERI040B0
Full Name:	Arctostaphylos cruzensis Roof
USDA PLANTS Symbol:	ARCR6

Biology
Lifeform: perennial evergreen shrub Blooming Period: December - March Habitat: sandy. • Broadleafed upland forest • Coastal bluff scrub • Closed-cone coniferous forest • Chaparral • Coastal scrub • Valley and foothill grassland

Rarity Status
CA Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2.2 S2: Imperiled. .2: Threatened. Global Rank: G2 G2: Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 18
Element Occurrence Ranks:

A B C D X U

5 2 1 1 0 9

Population Status:

Historic >20 yrs	Recent <=20 yrs
16	2

Presence:

Present Extant	Possibly Extirpated	Extirpated
18	0	0

Notes

Known from fewer than twenty occurrences. Possibly threatened by development and grazing. Potentially threatened by frequent wildfires and fire suppression activities. See Leaflets of Western Botany 9:218 (1962) 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: 2010-03-15

Location

Elevation: 60 - 310 meters

California Endemic: yes

States: California

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

Quads: name (DWR code) USGS code
Port San Luis (222A) 35120B7, Morro Bay South (247D) 35120C7, San Simeon (271B) 35121F2, Cambria (271D) 35121E1, Piedras Blancas (272A) 35121F3, Cape San Martin (296B) 35121H4

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 Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

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