Taxon Report

Clarkia concinna Fisch. & Mey. (Greene) ssp. raichei G. Allen, V. Ford & L. Gottlieb

Raiche's red ribbons

Print Report


© 2015 Aaron Schusteff

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:

Occurrence Data from the CNDDB

Total Occurrences: 1
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 1
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 0
California Endemic:  True
California Counties and Islands: Name (Code)
Marin (MRN)
Quads: Name (Quad Code)
Tomales (3812228)

Threat List Data from the CNDDB

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

Notes

Known from only one occurrence near Tomales. 
Threats:
Threatened by grazing, road maintenance, and non-native plants. 
Taxonomy:
See MadroƱo 37(4):305-310 (1990) for original description.
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 10 May 2025].