Species Details

Horkelia marinensis

Point Reyes horkelia

Download Report Calflora eFlora CCH CalPhotos

Photo by © 2017 John Doyen max-height:128px; max-width:145px;

Photo by © 2021 John Doyen max-height:128px; max-width:145px;

Classification

Scientific Name: Horkelia marinensis (Elmer) Crum
Common Name: Point Reyes horkelia
Family:	Rosaceae
Element Code:	PDROS0W0B0
USDA Plants Symbol:	HOMA3
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-01-05

Ecology and Life History

Lifeform: perennial herb
Blooming Period: May-Sep
Elevation: 5 - 755 meters 15 - 2475 feet
General Habitat: Coastal dunes Coastal prairie Coastal scrub
General Micro Habitat:
Micro Habitat: Sandy

Notes

Notes: Populations from near Ft. Bragg, MEN Co. may be varietally distinct. Historical occurrences need field surveys. Threatened by non-native plants and residential development. Possibly threatened by road maintenance and foot traffic. See Systematic Botany 18(1):137-144 (1993) for distributional information.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					36
A	B	C	D	X	U
2	9	3	3	0	19

Occurrence Status:
Historical >20 Years	20
Recent <=20 Years	16

Presence:
Presumed Extant	36
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Marin (MRN), Mendocino (MEN), Monterey (MNT), San Mateo (SMT), Santa Cruz (SCR), Sonoma (SON)

Quads: Name (Quad Code)
Ano Nuevo (3712213), Bodega Head (3812331), Davenport (3712212)?, Drakes Bay (3812218), Felton (3712211), Fort Bragg (3912347), Gualala (3812375), Hales Grove (3912377), Inglenook (3912357), Inverness (3812217), Marina (3612167), Montara Mountain (3712254), Noyo Hill (3912346), Point Bonita (3712275), San Francisco South (3712264), Santa Cruz (3612281), Tomales (3812228), Valley Ford (3812238), Westport (3912367)

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

Print this Map

Counties Quads

CNPS Rare Plant Inventory