Intermountain bedstraw

Galium serpenticum

''Galium serpenticum'' is a species of flowering plant in the coffee family known by the common name Intermountain bedstraw or many-flowered bedstraw. It is native to the northwestern United States, where it grows in mountain forests and meadows, mostly east of the crest of the Cascade Range. It occurs in Washington, Oregon, Idaho and extreme northern California .

''Galium serpenticum'' is a perennial herb forming tufts of erect stems up to about 30 centimeters tall with woody bases. The stems are ringed with whorls of four lance-shaped leaves and topped with inflorescences made up of clusters of tiny whitish flowers.
Intermountain Bedstraw  Galium serpenticum,Geotagged,Intermountain bedstrawmany-flowered bedstraw,Spring,United States

Naming

Nine subspecies are currently recognized :

⤷ ''Galium serpenticum'' subsp. ''dayense'' Dempster & Ehrend. - Oregon
⤷ ''Galium serpenticum'' subsp. ''malheurense'' Dempster & Ehrend - Oregon
⤷ ''Galium serpenticum'' subsp. ''okanoganense'' Dempster & Ehrend - northeastern Washington
⤷ ''Galium serpenticum'' subsp. ''puberulum'' Dempster & Ehrend. - Cleman Mountain in Yakima County Washington
⤷ ''Galium serpenticum'' subsp. ''scabridum'' Dempster & Ehrend. - central Washington
⤷ ''Galium serpenticum'' subsp. ''scotticum'' Dempster & Ehrend. - Scott Mountains in Siskiyou County California
⤷ ''Galium serpenticum'' subsp. ''serpenticum'' - Oregon, Nevada, and the Blue Mountains of Washington
⤷ ''Galium serpenticum'' subsp. ''warnerense'' Dempster & Ehrend - from Lake County Oregon to Modoc County California
⤷ ''Galium serpenticum'' subsp. ''wenatchicum'' Dempster & Ehrend. - Wenatchee Mountains of Washington

References:

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassEudicots
OrderGentianales
FamilyRubiaceae
GenusGalium
SpeciesG. serpenticum