Potamogeton epihydrus Raf.

Potamogeton epihydrus Raf
det. Robert R. Haynes
FLORA OF THE
Herbarium
Frthern UNITED STATES,
•f George T. .Hastings. A /t
ko "[.HASTINGS*
W* voV
botanical
NEW YORK BOTANICAL GARDEN
03709096
03709096