Species Details

Arctostaphylos mewukka ssp. truei

True's manzanita

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Photo of Arctostaphylos mewukka ssp. truei

Classification

Scientific Name: Arctostaphylos mewukka Merriam ssp. truei (Knight) Wells
Common Name: True's manzanita
Family:	Ericaceae
Element Code:	PDERI040Q2
USDA Plants Symbol:	ARMET
Synonyms/Other Names: Arctostaphylos truei Knight

Conservation Status

CA Rare Plant Rank:	4.2
Fed List:	None
State List:	None
Global Rank:	G4?T3
State Rank:	S3
Other Status:	SB_UCSC
CRPR Changes:
Add Date:	1984-01-01
Date Edited:	2022-12-06

Ecology and Life History

Lifeform: perennial evergreen shrub

Blooming Period: Feb-Jul

Elevation:
425 - 1390 meters
1395 - 4560 feet

General Habitats:

Chaparral
Lower montane coniferous forest

Microhabitat Details:

Microhabitat:

Roadsides (sometimes)

Notes

Notes: Threatened by logging and associated road usage. Intergrades with ssp. mewukka in NEV and PLA counties. See Four Seasons 3(1):19 (1969) for original description, and Four Seasons 9(2):60-63 (1992) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	0 %

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					0
A	B	C	D	X	U
0	0	0	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	0

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Butte (BUT), El Dorado (ELD), Nevada (NEV), Placer (PLA), Plumas (PLU), Yuba (YUB)

Quads: Name (Quad Code)
Berry Creek (3912164), Butte Meadows (4012115), Caribou (4012112), Cascade (3912162), Clipper Mills (3912152), Crescent Mills (4012018), Forbestown (3912153), Garden Valley (3812077), Grass Valley (3912121), Greek Store (3912015), Michigan Bluff (3912016), North Bloomfield (3912038), Paradise East (3912175), Pulga (3912174), Quincy (3912088), Soapstone Hill (3912173), Stirling City (3912185), Storrie (3912183), Twain (4012111), Westville (3912026)

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

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CNPS Rare Plant Inventory