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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Potamogeton epihydrus
BISH 150090 · Seymour, F.C., 1970
Washington Country - Greenwood Lake, Woodbury
Potamogeton epihydrus
BISH 17294 · St.John, H., 1913
Sable Island, Canada
Potamogeton epihydrus
BISH 450224 · St.John, H.; Hunnewell, F.W., 1916
Barnstable County - W Barnstable
Potamogeton epihydrus
BISH 756926 · Dore, W.G.; Brown, A., 1979
Canada