Taxon Details

Clarkia concinna ssp. raichei

Raiche's red ribbons

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Taxon Summary:

Clarkia concinna ssp. raichei, commonly known as Raiche's red ribbons, is a annual herb in the Onagraceae that is found only in California. It occurs within Coastal bluff scrub, growing at elevations from 0 to 100 meters. Clarkia concinna ssp. raichei is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Clarkia concinna Fisch. & Mey. (Greene) ssp. raichei G. Allen, V. Ford & L. Gottlieb
Common Name: Raiche's red ribbons
Family:	Onagraceae
Element Code:	PDONA050A2
USDA Plants Symbol:	CLCOR
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G5?T1
State Rank:	S1
Other Status:	SB_CalBG/RSABG; SB_UCBG
CRPR Changes:
Add Date:	1994-01-01
Date Edited:	2025-05-06

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-May

Elevation:
0 - 100 meters
0 - 330 feet

General Habitats:

Coastal bluff scrub

Microhabitat Details:

Microhabitat:

Notes

Notes: Known from only one occurrence near Tomales.
Threats: Threatened by grazing, road maintenance, and non-native plants.
Taxonomy: See Madroño 37(4):305-310 (1990) for original description.

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	1	100 %
Grazing	1	100%
Road/trail construction/maint.	1	100%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					1
A	B	C	D	X	U
0	1	0	0	0	0

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

Presence:
Presumed Extant	1
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Marin (MRN)

Quads: Name (Quad Code)
Tomales (3812228)

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

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CNPS Rare Plant Inventory