Species Details

Horkelia truncata

Ramona horkelia

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Classification

Scientific Name: Horkelia truncata Rydb.
Common Name: Ramona horkelia
Family:	Rosaceae
Element Code:	PDROS0W0G0
USDA Plants Symbol:	HOTR2
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:	BLM_S; SB_CalBG/RSABG; SB_CRES; SB_UCBG; USFS_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-01-05

Ecology and Life History

Lifeform: perennial herb

Blooming Period: May-Jun

Elevation:
400 - 1300 meters
1310 - 4265 feet

General Habitats:

Chaparral
Cismontane woodland

Microhabitat Details:

Microhabitat:

Clay
Gabbroic

Notes

Notes: Threatened by recreational activities. Possibly threatened by chaparral management. Potentially threatened by mining, road maintenance, and grazing.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	6
	Total EOs	% of EOs
EOs with Threat Listed:	19	39 %
Road/trail construction/maint.	16	32%
Mining	3	6%
Recreational use (non-ORV)	3	6%
Foot traffic/trampling	2	4%
Improper burning regime	2	4%
Military operations	1	2%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					49
A	B	C	D	X	U
6	4	3	0	0	36

Occurrence Status:
Historical >20 Years	21
Recent <=20 Years	28

Presence:
Presumed Extant	49
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Baja California (BA), California (CA)

California Counties and Islands: Name (Code)
San Diego (SDG)

Quads: Name (Quad Code)
Alpine (3211677), Barrett Lake (3211666), Dulzura (3211667), El Cajon Mtn. (3211687), Fallbrook (3311743), Margarita Peak (3311744), Mesa Grande (3311627), Palomar Observatory (3311637), Ramona (3311617), Rancho Santa Fe (3311712), Rodriquez Mtn. (3311628), San Marcos (3311722), San Pasqual (3311618), San Vicente Reservoir (3211688), Tule Springs (3211686), Valley Center (3311721), Viejas Mountain (3211676)

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

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Rare Plant Inventory