Nuphar luteum (L.) Sm., orth. var. ssp. polysepalum (Engelm.) E.O. Beal, orth. var.
Annotated by K. E. Ahlenslager, 15 Jan 1986. Sources: Kartesz & Kartesz. 1980 Syn. Checklist Vas. Fl. U.S., Can., & Greenland. Vol. 2..

Montana: Flathead County: Lynch Lake Elev. 1035 m.
48.193611° N, 114.991667° W,
in 2-4 ft water Sheet 1/2 Phenology: Flowers & Fruits.

L. H. Harvey 4489, Jul 18, 1951
SRP, Accession: 37241, 2514