Taxon Report

Galium grande McClat.

San Gabriel bedstraw

Print Report


© Lauramay Dempster and CNPS

Taxon Summary

Galium grande, commonly known as San Gabriel bedstraw, is a perennial deciduous shrub in the Rubiaceae that is found only in California. It occurs within Broadleafed upland forest, Chaparral, Cismontane woodland, and Lower montane coniferous forest, growing at elevations from 425 to 1500 meters. Galium grande is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.


  Classification

Scientific Name:
Galium grande McClat.
Common Name:
San Gabriel bedstraw
Family: Rubiaceae
Element Code: PDRUB0N0V0
USDA Plants Symbol: GAGR5
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial deciduous shrub
Blooming Period: Jan-Jul Jan-Jul
Elevation: 425-1500 (1395-4920)
General Habitats: Broadleafed upland forest, Chaparral, Cismontane woodland, Lower montane coniferous forest
Microhabitat:
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 9
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 2
   Fair (C) 4
   Poor (D) 0
   None (X) 0
   Unknown (U) 3
California Endemic:  True
California Counties and Islands: Name (Code)
Los Angeles (LAX)
Quads: Name (Quad Code)
Azusa (3411728), Mt. Wilson (3411821)

Threat List Data from the CNDDB

Threat List Total: 5
EOs with Threat Listed: Total EOs % of EOs
7 78 %
Road/trail construction/maint. 7 77%
Wood cutting or brush clearing 2 22%
Other 2 22%
Recreational use (non-ORV) 1 11%
ORV activity 1 11%

Notes

Angeles NF has adopted species management guidelines. Threatened by powerline construction and recreational activities. Possibly threatened by road maintenance. See Erythea 2:124 (1894) for original description, and Flora of California 4(2):47 (1979) by L. Dempster for taxonomic treatment.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].