Nuphar polysepala Engelm.

TAXONOMIC REVISION OF THE GENUS NUPHAR Sm.
ERNEST O. BEAL HERBARIUM OF THE STATE UNIV. OF IOWA
IOWA CITY, IOWA USA AUG. 1054
NUPHAR LUTEUM (L.) SIBTH. & SM.
IN. FL. GRAEC. PRODR. 1:361.1808 (1809)
subsp. polysepalum (Engelm.) Beal
M. W. Gorman,	Portland, Oregon.
04211047