Alnus rhombifolia Nutt. × Alnus tenuifolia Nutt.
Annotated by M. LaZelle, Jan 1976.

Idaho: Idaho County: Little Granite Ck. 2.5 mi from Snake River. Elev. 3100 ft.
45.331084° N, 116.628241° W,
Datum: WGS 84. Uncertainty: 1090 meters. Coordinate Source: Georeferenced.
In seepage at side of stream, forest above is Grand Fir. Associates: Dryopteris austriaca, Polystichum munitum. V. steep slope. W exposure. Granite soil. Phenology: Vegetative.

F. D. Johnson 75317, 8/4/75
ID, Accession: 170071, Barcode: ID175339