CNPS

CNPS Rare Plant Inventory

Species Details

Arctostaphylos cruzensis

Arroyo de la Cruz manzanita

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Photo by © 2006 Steve Matson max-height:128px; max-width:145px;
© 2006 Steve Matson 		Photo by © 2020 Zoya Akulova max-height:128px; max-width:145px;
© 2020 Zoya Akulova 		Photo by © 2002 David Graber max-height:128px; max-width:145px;
© 2002 David Graber

Classification

Scientific Name:
Arctostaphylos cruzensis Roof
Common Name:
Arroyo de la Cruz manzanita
Family: Ericaceae
Element Code: PDERI040B0
USDA Plants Symbol: ARCR6
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G1G2
State Rank:
 S1S2
Other Status: BLM_S; SB_SBBG; USFS_S
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2022-02-01

Ecology and Life History

Lifeform: perennial evergreen shrub
Blooming Period: Dec-Mar
Elevation:
60 - 310 meters
195 - 1015 feet
General Habitat:
  • Broadleafed upland forest
  • Coastal bluff scrub
  • Closed-cone coniferous forest
  • Chaparral
  • Coastal scrub
  • Valley and foothill grassland
General Micro Habitat:
Micro Habitat:
  • Sandy

Notes

Notes:
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.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Total Occurrences: 8
Element Occurrence Ranks:
A B C D X U
2 0 2 0 0 4
Occurrence Status:
Historical >20 Years 4
Recent <=20 Years 4
Presence:
Presumed Extant 8
Possibly Extirpated 0
Presumed Extirpated 0

Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Monterey (MNT), San Luis Obispo (SLO)
Quads: Name (Quad Code)
Cambria (3512151), Cape San Martin (3512184), Piedras Blancas (3512163)
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
Print this Map
Counties   Quads

Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2022. Rare Plant Inventory (online edition, v9-01 1.5). Website https://www.rareplants.cnps.org [accessed 5 July 2022].