Taxon Report

Frasera albomarginata S. Watson var. induta (Tidestr.) Card

Clark Mountain green-gentian

Print Report

Taxon Summary

Frasera albomarginata var. induta, commonly known as Clark Mountain green-gentian, is a perennial herb in the Gentianaceae that is found in California and elsewhere. It occurs within Pinyon and juniper woodland, growing at elevations from 1705 to 1770 meters. Frasera albomarginata var. induta is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Frasera albomarginata S. Watson var. induta (Tidestr.) Card
Common Name:	Clark Mountain green-gentian
Family:	Gentianaceae
Element Code:	PDGEN05022
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: May-Jun(Sep)	May-Jun(Sep)
Elevation:	1705-1770 (5595-5805)
General Habitats:	Pinyon and juniper woodland
Microhabitat:	Carbonate (usually), Gravelly (sometimes), Rocky (sometimes)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G5T2
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG
CRPR Changes:	added to 1B.2 on 2013-12-10

Occurrence Data from the CNDDB


Total Occurrences:	1
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	1

Location


California Endemic: False
California Counties and Islands: Name (Code)
San Bernardino (SBD)
Quads: Name (Quad Code)
Clark Mtn. (3511555)

Threat List Data from the CNDDB


Threat List Total:	1
EOs with Threat Listed:	Total EOs	% of EOs
	1	100 %
Grazing	1	100%

Notes



Known in CA only from the Clark Mtns. Needs field surveys. Possibly threatened by grazing. See Annals of the Missouri Botanical Garden 18(2):275 (1931) for original description.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2013-12-10

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 6 November 2025].