Taxon Details

Galium serpenticum ssp. warnerense

Warner Mountains bedstraw

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Photo of Galium serpenticum ssp. warnerense

Taxon Summary:

Galium serpenticum ssp. warnerense, commonly known as Warner Mountains bedstraw, is a perennial rhizomatous herb in the Rubiaceae that is found in California and elsewhere. It occurs within Meadows and seeps, Pinyon and juniper woodland, and Subalpine coniferous forest, growing at elevations from 1450 to 2750 meters. Galium serpenticum ssp. warnerense is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Galium serpenticum Dempster ssp. warnerense Dempster & Ehrend.
Common Name: Warner Mountains bedstraw
Family:	Rubiaceae
Element Code:	PDRUB0N1Y8
USDA Plants Symbol:	GASEW
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G4G5T2T3
State Rank:	S2
Other Status:	BLM_S; SB_UCSC; USFS_S
CRPR Changes:
Add Date:	1984-01-01
Date Edited:	2024-11-05

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Jun-Jul

Elevation:
1450 - 2750 meters
4755 - 9025 feet

General Habitats:

Meadows and seeps
Pinyon and juniper woodland
Subalpine coniferous forest

Microhabitat Details:

Microhabitat:

Rocky
Talus

Notes

Notes: Known in CA only from the Warner Mtns. Endangered in OR. Possibly threatened by grazing. See Brittonia 17:325 (1965) for original description, and Flora of California 4(2):33-34 (1979) by L. Dempster for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	6
	Total EOs	% of EOs
EOs with Threat Listed:	9	82 %
Grazing	6	54%
Non-native plant impacts	4	36%
ORV activity	2	18%
Erosion/runoff	2	18%
Recreational use (non-ORV)	1	9%
Road/trail construction/maint.	1	9%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					11
A	B	C	D	X	U
6	3	1	0	0	1

Occurrence Status:
Historical >20 Years	11
Recent <=20 Years	0

Presence:
Presumed Extant	11
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

California Counties and Islands: Name (Code)
Modoc (MOD)

Quads: Name (Quad Code)
Mt. Bidwell (4112082), Willow Ranch (4112083)

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