Harvard University Herbaria & Libraries

Alismataceae
GH: 01632458 Sagittaria graminea Michaux USA: New York along west side of Hudson River on north sid... C. B. Hellquist [data not captured] 15827 1990-9-27
GH: 01632459 Sagittaria graminea Michaux USA: New York along west side of Hudson River on north sid... C. B. Hellquist [data not captured] 15827a 1990-9-27
GH: 01632460 Sagittaria graminea Michaux USA: New York along west side of Hudson River on north sid... C. B. Hellquist [data not captured] 15827a 1990-9-27
Ceratophyllaceae
GH: 02073331 Ceratophyllum demersum Linnaeus USA: New York [data not captured] C. B. Hellquist 15825 1990-9-27
Haloragaceae
GH: 01628404 Myriophyllum spicatum Linnaeus USA: New York west side of Hudson River, Cornwall-on-Hudso... C. B. Hellquist [data not captured] 15831 1990-9-27
Najadaceae
GH: 01734392 Zannichellia palustris Linnaeus USA: New York [data not captured] C. B. Hellquist 15834 1990-9-27
Pontederiaceae
GH: 01919276 Heteranthera reniformis Ruiz & Pavon USA: New York along west side of Hudson River on north sid... C. B. Hellquist [data not captured] 15826 1990-9-27
Potamogetonaceae
GH: 01695328 Potamogeton perfoliatus Linnaeus USA: New York site of old coal yard, west side of Hudson R... C. B. Hellquist [data not captured] 15830 1990-9-27