E-Flora BC: Electronic Atlas of the Flora of British Columbia

Galium bifolium S. Watson
thin-leaved bedstraw (twinleaf bedstraw)
Rubiaceae (Madder family)

Introduction to Vascular Plants

© Ryan Batten  Email the photographer   (Photo ID #66968)

E-Flora BC Static Map
Distribution of Galium bifolium
Click here to view the full interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.

Annual herb from a taproot; stems erect, solitary, simple or slightly branched, round, smooth, 5-20 cm tall.
Basal leaves few, soon deciduous; stem leaves in whorls of 4, with one pair smaller, upper leaves sometimes opposite, lanceolate to linear-elliptic, larger leaf pairs 1-2 cm long, smooth, 1-veined, entire, unstalked.
Inflorescence of solitary, stalked, axillary flowers; corollas white, cup-shaped, 3.5-7 mm wide, 3-lobed, soon deciduous; calyces obsolete.
Nutlets, 2, 2.5-3.5 mm long, with numerous, short, hooked hairs.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to dry sites in the steppe and montane zones; infrequent throughout S BC; E to SW AB and S to CO and CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Galium bifolium

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 820 1143 1627
Slope Gradient (%) 0 19 70
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
77 140 215
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 4 7
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: BWBS(1), ESSF(1), IDF(3), SBS(1)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References