Calochortus longebarbatus × Calochortus persistens
Annotated by Marion Ownbey, 17 Jun 1956.

Washington: Whitman County: Botany Experimental Gardens, Pullman.
46.73139° N, 117.17861° W
Coordinate Source: Estimated.
(183 female) x C. persistens (119) F1.

Marion Ownbey s.n., Jun 19, 1956
WS, Accession: 281216