Galium serpenticum Dempster ssp. dayense Dempster & Ehrend. ssp. nov.
Annotated by L. T. Dempster, 1962. Remarks: Det. L. T. Dempster & F. Ehrendorfer, 1962

Oregon: Grant County: Just north of Picture Gorge, 8 miles northwest of Dayville. Elev. 2300 ft.
T12S R26E S7
Datum: NAD 27. Uncertainty: 805 meters. Coordinate Source: TRS2LL.
Sagebrush slopes, and in the less extreme habitats associated with the volcanic tuff. Plants spreading freely from creeping, eventually lignescent rhizomes, dioecious. Corolla pale greenish yellow. Phenology: Flowers and Fruits. Isotype: Galium serpenticum Dempster ssp. dayense Dempster & Ehrend.. Published 1965. Brittonia 17(4): 330.

Arthur Cronquist 7027, May 27, 1953
WTU, Accession: 154394, Barcode: WTU-V-001209