Taxon Report

Frasera umpquaensis M. Peck & Applegate

Umpqua green-gentian

Print Report

Taxon Summary

Frasera umpquaensis, commonly known as Umpqua green-gentian, is a perennial herb in the Gentianaceae that is found in California and elsewhere. It occurs within Chaparral, Lower montane coniferous forest, Meadows and seeps, and North Coast coniferous forest, growing at elevations from 1555 to 1900 meters. Frasera umpquaensis is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Frasera umpquaensis M. Peck & Applegate
Common Name:	Umpqua green-gentian
Family:	Gentianaceae
Element Code:	PDGEN050F0
USDA Plants Symbol:
Synonyms/Other Names:	Swertia fastigiata Pursh Swertia umpquaensis

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jun-Jul	Jun-Jul
Elevation:	1555-1900 (5100-6235)
General Habitats:	Chaparral, Lower montane coniferous forest, Meadows and seeps, North Coast coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.2
Global Rank:	G3
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	USFS_S
CRPR Changes:	changed from 2.2 to 2B.2 on 2013-06-12

Occurrence Data from the CNDDB


Total Occurrences:	6
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	5
Fair (C)	1
Poor (D)	0
None (X)	0
Unknown (U)	0

Location


California Endemic: False
California Counties and Islands: Name (Code)
Trinity (TRI)
Quads: Name (Quad Code)
Forest Glen (4012333), Smoky Creek (4012332)

Threat List Data from the CNDDB


Threat List Total:	7
EOs with Threat Listed:	Total EOs	% of EOs
	6	100 %
Grazing	6	100%
Logging	5	83%
Foot traffic/trampling	3	50%
Recreational use (non-ORV)	3	50%
Road/trail construction/maint.	2	33%
Altered flood/tidal/hydrologic regime	1	16%
ORV activity	1	16%

Notes




Threats:
Possibly threatened by trampling and fire.
Taxonomy:
A synonym of S. fastigiata in TJM (1993).

Selected References

Madroño 6:12 (1941)

American Midland Naturalist 26:14 (1941)

Madroño 57(2):106-119 (2010)

Frasera umpquaensis profile for potential Species of Conservation Concern evaluation (2022)

Frasera umpquaensis profile for potential Species of Conservation Concern evaluation (2022)

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 19 November 2025].