Galium serpenticum Dempster var. serpenticum
Annotated by J. Kallunki.

Oregon: Wasco County: Along the John Day River, about 3 miles north of Clarno.
T18E R7S S19
Datum: NAD 27. Uncertainty: 805 meters. Coordinate Source: TRS2LL.
Steep hills adjacent to clay outcrop, red sandy loam with sagebrush; east facing slope. With long horizontal roots. Phenology: Flowers.

Noel H. Holmgren 3110, May 4, 1968
With Robert Carr
WTU, Accession: 276855