Leymus flavescens (Scribn. & J.G. Sm.) Pilg. . × Leymus triticoides
Annotated by Zika, P., 2011.

Oregon: Umatilla: S bank of Columbia River, N of Route 730, 3.5 road miles W of Umatilla. Elev. 85
45.91° N, 119.415° W,
Coordinate Source: OrlookId: 24236, StateProvince: Oregon, County: Umatilla, LocName: Lat 45 Deg 54.6 Min; Lon -119 Deg 24.9 Min. OregonFlora 1994-2020 methodology.
Crest of stabilized low sand dunes. HerbariumSpecimenDuplicate: Leymus flavescens × Leymus triticoides Https://oregonflora.org/collections/individual/index.php?occid=994194.

Peter F. Zika 25457, Jun 17, 2011
With Peter F. Zika.
OSC, Accession Number: OSC233575