CNPS Inventory Plant Detail

Arctostaphylos malloryi

Common Name:	Mallory's manzanita
Family:	Ericaceae
Synonyms:	Arctostaphylos canescens ssp. malloryi
Element Code:	PDERI042V0
Full Name:	Arctostaphylos malloryi (W. Knight & Gankin) P.V. Wells
USDA PLANTS Symbol:	ARMA31

Biology
Lifeform: perennial evergreen shrub Blooming Period: April - July Habitat: volcanic. • Chaparral • Lower montane coniferous forest

Rarity Status
Rare Plant Rank: 4.3 Uncommon in California .3: Not very endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S3 S3: Vulnerable. Global Rank: G3 G3: Vulnerable.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences:
Element Occurrence Ranks:

A B C D X U

Population Status:

Historic >20 yrs	Recent <=20 yrs

Presence:

Present Extant	Possibly Extirpated	Extirpated

Notes
To be expected in GLE and TEH counties. Potentially threatened by road construction. See Four Seasons 6(4):23 (1983) for original description and 9(2):54-59 (1992) for revised nomenclature. 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: 2015-01-06

Location

Elevation: 800 - 1280 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Colusa (COL), Shasta (SHA), Trinity (TRI)

Quads: name (DWR code) USGS code
Fouts Springs (564C) 39122C6, Chanchelulla Peak (631B) 40122D8, Dubakella Mtn. (632B) 40123D2, Whiskeytown (648A) 40122F5, Montgomery Creek (663C) 40121G8

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.

Quad data is not available for all List 3 and 4 plants. For those that do contain this data, it has not been quality controlled and is potentially incomplete, inaccurate, and/or out of date. Please use caution when referencing this information. We are currently working hard to maintain this data and hope to provide accurate and up to date information in the near future.

Presumed Extant

Presumed Extirpated or Unknown

1568

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

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

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