Nuphar polysepala Engelm.

WASHINGTON FLORA. -
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TAXONOMIC REVISION OF THE GENUS NUPHAR SM.
ERNEST O. BEAL HERBARIUM OF THE STATE UNIV. OF IOWA
IOWA CITY, IOWA USA AUG. 1654
NUPHAR LUTEUM (L.) SIBTH. & SM.
IN FL. GRAEC. PRODR. 1:361.1808 (1809)
subsp. polysepalum (Engelm.) Beal
CITED
.A
h h ?
04211117