Agropyron elongatum (Host) P. Beauv.
[= Thinopyrum elongatum]

Idaho: Canyon County: Old Fort Boise WMA, mouth of Boise River/Floodplain. Canyon County. Elev. 2200 ft.
43.69786° N, 116.745319° W,
Datum: WGS 84. Uncertainty: 30309 meters. Coordinate Source: Digital Map.
Numerous channels, riparian dominated by escaped and naturalized trees/Salix amygdaloides, Populus fremontii, P. tricocarpa, Robinia pseudoacacia, and Elaeagnus angustifolia very abundant. Slope 0-3%, Soil: gravely, sandy. Also present: Salix rigida (Ab. 2), Amorpha fruticosa (Ab. 2), Rosa woodsii (Ab. 3), Ribes aureum (Ab. 2), Acer negundo violaceum (Ab 3-4), Fraxinus pennsylvanica (Ab. 1), Ulmus pumila (Ab. 1), Solanum dulcamara (Ab. 3-4). Vegetation of the adjacent terrace originally salt desert shrub; Sarcobatus vermiculatus dominates. Ab. 2. Phenology: Fertile.

F. D. Johnson s.n., Aug 10, 1983
With S.J. Brunsfeld
ID, Accession: 155225, Barcode: ID022353