Galium serpenticum Dempster ssp. wenatchicum Dempster & Ehrend.
Annotated by Don Mansfield, Oct 2022.

Washington: Kittitas County: About 1 mile up Iron Creek-Bear Ck. trail 1351 from end of FR 9714 off of HWY 97 between Ellensburg and Blewett Pass Elev. 4130 ft.
47.361° N, 120.7178° W
Datum: WGS 84. Coordinate Source: Field Notes.
On barren south facing outcrop that appeared serpentine, but is basaltic, mafic but lacking ultramafic features; with Lupinus sp., Eriogonum compositum, Galium multifidum, Physaria sp., Cheilanthes sp., Boechera sp. and Hackelia sp. (white fld). Phenology: Fruits.

D. H. Mansfield 19098, Jun 11, 2019
With M. Darrach
CIC, Accession: 54439