Sagittaria graminea Michx.

US
So
Plants of NEW YORK, U.S.A.
Sagittaria graminea Michx.
DUTCHESS CO.: 2.3 mi SW of Tivoli, S end of
Cruger Island in Hudson River, 42.02743°N,
73.92811°W (GPS, datum: WGS 84).
Gradually sloping, moderately soft silty sand of
intertidal zone; infrequent.
Rooted in intertidal zone and exposed at low tide.
04263344
Robert F. C. Naczi 15085
13 September 2013
04263344