Epimedium ×youngianum Fisch. & Mey.

Oregon: Lane County: Collected West side of Dorena Reservoir, Row River. Grown in the garden at Bellevue, Washington.
In open mixed woodland with such things as Irises; in fact, in a hybrid swarm between Iris tenax and I. chrysophylla. Phenology: Fertile.

B. O. Mulligan s.n., Jun 16, 1964
With J. A. Witt
WTU, Accession: 226652