Ulmus americana L.
Annotated by S. J. Brunsfeld, 13 Nov 1980.

Idaho: Idaho County: 6.5 mi. N of Riggins along E. side of Salmon River. Elev. 1750 ft.
45° 25' 20" N, 116° 18' 55" W
Coordinate Source: GNIS.
Toe slope riparian and mesic shrub community. Dominated by escaped and naturalized trees. Natives include: Philadelphus, Rhus glabra, Sambucus, cerulea, Celtis reticulata, Rosa woodsii. Slope: 50%. Exposure SW. Soil: Meta sediments, rocky. Abundance: 2. Height 25'. D.B.H. 6". Ulmus may be a hybrid swarm such as seen along Clearwater River. (U. americana x U. pumila). This thicket was doubtlessly established below two irrigation ditches. These ditches are now dry and have been for years. Seedlings are well established.

F. D. Johnson s.n., Jul 12, 1980
SRP, Accession: 38205