Polygonum chelanicum (E. Greene) F. Fedde

Washington: Okanogan County: Lake Chelan.
47.83444° N, 120.01139° W
Coordinate Source: Estimated. Invalid coordinates (located outside county bounds).
On sandy bars along the shores. Isotype. Penned: If P. hartwrightii Gray is a valid species, this seems an example of it, F.L. Pickettpenciled: = P. coccinum Muhl.penned: ? P. emerson (Michx.) Britt.; Just's botanischer Jahresbericht. 32(1): 417. 1905. Isotype.

A. D. E. Elmer 857, Jul 1897
With
WS, Accession: 8449