Taxon Report

Galium hardhamiae Dempster

Hardham's bedstraw

Print Report


© 1984 California Native Plant Society

Taxon Summary

Galium hardhamiae, commonly known as Hardham's bedstraw, is a perennial herb in the Rubiaceae that is found only in California. It occurs within Chaparral, and Closed-cone coniferous forest, growing at elevations from 395 to 975 meters. Galium hardhamiae is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.


  Classification

Scientific Name:
Galium hardhamiae Dempster
Common Name:
Hardham's bedstraw
Family: Rubiaceae
Element Code: PDRUB0N0Y0
USDA Plants Symbol: GAHA2
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Apr-Oct Apr-Oct
Elevation: 395-975 (1295-3200)
General Habitats: Chaparral, Closed-cone coniferous forest
Microhabitat: Serpentine
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 24
Element Occurrence Ranks:
   Excellent (A) 5
   Good (B) 8
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 11
California Endemic:  True
California Counties and Islands: Name (Code)
Monterey (MNT), San Luis Obispo (SLO)
Quads: Name (Quad Code)
Alder Peak (3512183), Burnett Peak (3512172), Burro Mountain (3512173), Cypress Mountain (3512058), Pebblestone Shut-in (3512161), San Simeon (3512162), Villa Creek (3512174)

Threat List Data from the CNDDB

Threat List Total: 3
EOs with Threat Listed: Total EOs % of EOs
8 33 %
Military operations 5 20%
Road/trail construction/maint. 2 8%
ORV activity 1 4%

Notes

See MadroƱo 16(5):166 (1962) for original description, and Flora of California 4(2):35 (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 24 January 2025].