Acer circinatum Pursh var. monroei ?

Oregon: Lane County: Willamette National Forest; White Branch drainage of the McKenzie River, south of state highway 242; circa 65 miles east of Eugene. Elev. 2600 ft.
Dense woods. Circa 18 inches tall. Photographed. Phenology: Flowers.

B. O. Mulligan s.n., Jun 26, 1973
WTU, Accession: 256466