CNPS Inventory Plant Detail

Quercus parvula var. tamalpaisensis

Common Name:	Tamalpais oak
Family:	Fagaceae
Synonyms:
Element Code:	PDFAG051Q3
Full Name:	Quercus parvula Greene var. tamalpaisensis S.K. Langer
USDA PLANTS Symbol:	QUPAT

Biology
Lifeform: perennial evergreen shrub Blooming Period: March - April Habitat: • Lower montane coniferous forest

Rarity Status
CA Rare Plant Rank: 1B.3 Rare, threatened, or endangered in California and elsewhere .3: Not very endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G4T2 T2: Imperiled. G4: (species) Apparently secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Historic >20 yrs	Recent <=20 yrs
7	2

Presence:

Present Extant	Possibly Extirpated	Extirpated
9	0	0

Notes
Known only from Mt. Tamalpais. May hybridize with Q. wislizeni var. frutescens. Not in The Jepson Manual. See Four Seasons 9(3):21-30 (1993) 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: 2001-01-01 Last Update: 2010-03-15

Location

Elevation: 100 - 750 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Marin (MRN)

Quads: name (DWR code) USGS code
San Rafael (467A) 37122H5, Bolinas (467B) 37122H6

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

1348

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 .

-122.5,37.875