Potamogeton alpinus Balb.

NEW YORK BOTANICAL GARDEN
03708217“"
Revision Broad-leaved N. Am. Species of Potamogeton *
POTAMOGETON ALPINUS Balbis
var. TENUIFOLIUS (Rafinesque) Ogden
E.C.Ogden 1939
Locality Í
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I	C. S. WILLIAMSON
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03708217