Horkelia hendersonii

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Scientific Name: Horkelia hendersonii Howell
Common Name: Henderson's horkelia
Family:	Rosaceae
Element Code:	PDROS0W090
USDA Plants Symbol:	HOHE2
Synonyms/Other Names:

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G1
State Rank:	S1
Other Status:	BLM_S; SB_BerrySB; SB_CalBG/RSABG; USFS_S
CRPR Changes:
Add Date:	1988-01-01
Date Edited:	2024-11-05

Lifeform: perennial herb

Blooming Period: Jun-Aug

Elevation:
2000 - 2300 meters
6560 - 7545 feet

General Habitats:

Microhabitat Details:

Microhabitat:

Notes: Known in CA from only one occurrence. Endangered in OR.
Threats:
Taxonomy:

THREAT LIST:
Threat List Total:	1
	Total EOs	% of EOs
EOs with Threat Listed:	1	100 %
Road/trail construction/maint.	1	100%

Occurrence Status:
Historical >20 Years	1
Recent <=20 Years	0

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

California Counties and Islands: Name (Code)
Siskiyou (SIS)

Quads: Name (Quad Code)
Condrey Mtn. (4112288)

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

Presumed Extant

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Other:

USFS Potential Species of Conservation Concern Profile