Taxon Report

Galium angustifolium Nutt. ssp. gabrielense (Munz & Jtn.) Dempster & Steb.

San Antonio Canyon bedstraw

Print Report

Taxon Summary

Galium angustifolium ssp. gabrielense, commonly known as San Antonio Canyon bedstraw, is a perennial herb in the Rubiaceae that is found only in California. It occurs within Chaparral, and Lower montane coniferous forest, growing at elevations from 1200 to 2650 meters. Galium angustifolium ssp. gabrielense is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Galium angustifolium Nutt. ssp. gabrielense (Munz & Jtn.) Dempster & Steb.
Common Name:	San Antonio Canyon bedstraw
Family:	Rubiaceae
Element Code:	PDRUB0N044
USDA Plants Symbol:	GAANG2
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Apr-Aug	Apr-Aug
Elevation:	1200-2650 (3935-8695)
General Habitats:	Chaparral, Lower montane coniferous forest
Microhabitat:	Granitic, Rocky (sometimes), Sandy (sometimes)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G5T3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


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

Location


California Endemic: True
California Counties and Islands: Name (Code)
Los Angeles (LAX), San Bernardino (SBD)
Quads: Name (Quad Code)
Azusa (3411728), Big Bear Lake (3411628), Catclaw Flat (3411616), Crystal Lake (3411737), Cucamonga Peak (3411725), Glendora (3411727), Mount San Antonio (3411736), Mt. Baldy (3411726), Mt. Wilson (3411821), Telegraph Peak (3411735), Waterman Mtn. (3411738)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	0 %

Notes



See Bulletin of the Torrey Botanical Club 51:299 (1924) for original description, Madroño 21(2):90 (1971) for revised nomenclature, and Flora of California 4(2):23-25 (1979) by L. Dempster for taxonomic treatment.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 12 July 2025].