CNPS Inventory Plant Detail

Quercus dumosa

Common Name:	Nuttall's scrub oak
Family:	Fagaceae
Synonyms:
Element Code:	PDFAG050D0
Full Name:	Quercus dumosa Nutt.
USDA PLANTS Symbol:	QUDU

Biology
Lifeform: perennial evergreen shrub Blooming Period: February - August Habitat: sandy, clay loam. • Closed-cone coniferous forest • Chaparral • Coastal scrub

Rarity Status
CA Rare Plant Rank: 1B.1 Rare, threatened, or endangered in California and elsewhere .1: Seriously endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G2 G2: Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 97
Element Occurrence Ranks:

A B C D X U

8 8 6 1 2 72

Population Status:

Historic >20 yrs	Recent <=20 yrs
27	70

Presence:

Present Extant	Possibly Extirpated	Extirpated
95	1	1

Notes

Threatened by development, fire suppression, and vegetation/fuels management. Possibly threatened by hybridization with Q. berberidifolia. Widespread scrub oak from much of cismontane CA, previously called Q. dumosa, is now Q. berberidifolia.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 1994-01-01
Last Update: 2012-05-17

Location

Elevation: 15 - 400 meters

California Endemic: no

States: California, Baja California

California Counties and Islands: name (code)
Orange (ORA), Santa Barbara (SBA), San Diego (SDG), Ventura (VEN)

Quads: name (DWR code) USGS code
Dulzura (010A) 32116F7, Otay Mesa (010C) 32116E8, National City (011A) 32117F1, Point Loma (011B) 32117F2, Imperial Beach (011D) 32117E1, El Cajon (021C) 32116G8, Alpine (021D) 32116G7, Poway (022A) 32117H1, Del Mar (022B) 32117H2, La Jolla (022C) 32117G2, La Mesa (022D) 32117G1, San Marcos (035B) 33117B2, Rancho Santa Fe (035C) 33117A2, San Luis Rey (036A) 33117B3, Encinitas (036D) 33117A3, Dana Point (052B) 33117D6, San Juan Capistrano (070C) 33117E6, Canada Gobernadora (070D)? 33117E5, Laguna Beach (071D) 33117E7, Carpinteria (142A) 34119D5, Santa Barbara (142B) 34119D6

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

1759

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 .

-117.25,33.125