Potamogeton spirillus Tuck.

HERBARIUM OF THE OHIO STATE UNIVERSITY
POTAMOGETON STRICTIFOLIUS Ar. Benn.
det. Robert R. Haynes	1971
PLANTS OF ONTARIO, CANADA
THUNDER BAY DISTRIOT
NEW YORK BOTANICAL GARDEN
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Potamogeton berchtoldii Fieber
: Muddy shores in water 0-4 dm.
? Frog Lake, 1 mile south of Roundtable Lake,
Hardwick Township.
I No. 1674 Coll. C. E. Garton 27 August 1951
I Det. W. G. Dore April 1952
I, Division of Botany, Science Service
Department of Agriculture, Ottawa, Canada
03716343