Taxon Report

Arctostaphylos ohloneana M.C. Vasey & V.T. Parker

Ohlone manzanita

Print Report

Classification


Scientific Name:	Arctostaphylos ohloneana M.C. Vasey & V.T. Parker
Common Name:	Ohlone manzanita
Family:	Ericaceae
Element Code:	PDERI042Y0
USDA Plants Symbol:	AROH2
Synonyms/Other Names:

Ecology and Life History


Lifeform:	evergreen shrub
Blooming Period: Feb-Mar	Feb-Mar
Elevation:	450-530 (1475-1740)
General Habitats:	Closed-cone coniferous forest, Coastal scrub
Microhabitat:
Microhabitat Details:	siliceous shale

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G1
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG; SB_USDA
CRPR Changes:	added to 1B.1 on 2009-04-02

Occurrence Data from the CNDDB


Total Occurrences:	4
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	4

Location


California Endemic: True
California Counties and Islands: Name (Code)
Santa Cruz (SCR)
Quads: Name (Quad Code)
Big Basin (3712222), Davenport (3712212)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	4	100 %
Disease	4	100%
Road/trail construction/maint.	4	100%

Notes



Possibly threatened by road maintenance and vehicles. Potentially threatened by Phytophthora root rot. See Madroño 55(3):238-243 for original description.
Threats:

Taxonomy:

Selected References

Proposed Addition to CRPR 1B.1 (2009)

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 26 December 2024].