CNPS Inventory Plant Detail

Grindelia hallii

Common Name:	San Diego gumplant
Family:	Asteraceae
Synonyms:	Grindelia hirsutula var. hallii
Element Code:	PDAST470D4
Full Name:	Grindelia hallii Steyerm
USDA PLANTS Symbol:	GRHIH2

Biology
Lifeform: perennial herb Blooming Period: July - October Habitat: • Chaparral • Lower montane coniferous forest • Meadows and seeps • Valley and foothill grassland

Rarity Status
CA Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2.2 S2: Imperiled. .2: Threatened. Global Rank: G2 G2: Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 41
Element Occurrence Ranks:

A B C D X U

0 6 5 6 0 24

Population Status:

Historic >20 yrs	Recent <=20 yrs
33	8

Presence:

Present Extant	Possibly Extirpated	Extirpated
41	0	0

Notes
Threatened by grazing, road maintenance, invasive species, and development. See Annals of the Missouri Botanical Garden 21:229 (1934) for original description, and Novon 2(3):215-217 (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: 2012-12-20

Location

Elevation: 185 - 1745 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
San Diego (SDG)

Quads: name (DWR code) USGS code
Barrett Lake (009B)? 32116F6, Otay Mountain (010D)? 32116E7, Monument Peak (019B) 32116H4, Mount Laguna (019C) 32116G4, Cuyamaca Peak (020A) 32116H5, Descanso (020D) 32116G5, Del Mar (022B) 32117H2, Ranchita (033A) 33116B5, Warners Ranch (033B) 33116B6, Santa Ysabel (033C) 33116A6, Julian (033D) 33116A5, Mesa Grande (034A) 33116B7

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

875

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 .

-116.5,32.875