Nuphar polysepala Engelm.

TAXONOMIC REVISION OF THE GENUS NUPHAH SM.
ERNEST O. BEAL HERBARIUM OF THE STATE UNIV. OF IOWA
IOWA CITY, IOWA USA AUG, 1954
NUPHAR LUTEUM (L.) SIBTH. & SM.
IN FL. GRAEC. PRODR. 1:361.1808 (1809)
04211137
subsp. poiysepalum (Engelm.) Beal
CITED
04211137