CNPS Inventory Plant Detail

Horkelia truncata

Common Name:	Ramona horkelia
Family:	Rosaceae
Synonyms:
Element Code:	PDROS0W0G0
Full Name:	Horkelia truncata Rydb.
USDA PLANTS Symbol:	HOTR2

Biology
Lifeform: perennial herb Blooming Period: May - June Habitat: clay, gabbroic. • Chaparral • Cismontane woodland

Rarity Status
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: S2.3 S2: Imperiled. .3: No current threats known. Global Rank: G3 G3: Vulnerable.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 31
Element Occurrence Ranks:

A B C D X U

4 4 3 0 0 20

Population Status:

Historic >20 yrs	Recent <=20 yrs
20	11

Presence:

Present Extant	Possibly Extirpated	Extirpated
31	0	0

Notes
Threatened by recreational activities. Possibly threatened by chaparral management. Potentially threatened by mining, road maintenance, and grazing. 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: 2010-03-15

Location

Elevation: 400 - 1300 meters

California Endemic: no

States: California, Baja California

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

Quads: name (DWR code) USGS code
Barrett Lake (009B) 32116F6, Dulzura (010A) 32116F7, Tule Springs (020B) 32116H6, Viejas Mountain (020C) 32116G6, El Cajon Mtn. (021A) 32116H7, San Vicente Reservoir (021B) 32116H8, El Cajon (021C) 32116G8, Alpine (021D) 32116G7, Mesa Grande (034A) 33116B7, Rodriquez Mtn. (034B) 33116B8, San Pasqual (034C) 33116A8, Ramona (034D) 33116A7, San Marcos (035B) 33117B2, Palomar Observatory (049D) 33116C7, Fallbrook (051A) 33117D3, Margarita Peak (051B) 33117D4

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

917

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

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society. Sacramento, CA. Accessed on .

-116.875,33.0