Amaranthus albus L. × Amaranthus blitoides S. Watson
Remarks: Catalogue of the Flora of Montana and the Yellowstone National Park. P. 136.

Montana: Cascade County: Great Falls.
47.50028° N, 111.3° W,
Datum: WGS 84. Uncertainty: 5705 meters. Coordinate Source: Digital Map.
Phenology: Vegetative.

R.S. Williams 669, Aug 24, 1886
MONT, Accession: 11366