Spirodela polyrhiza
Great Duckweed
Spirodela polyrhiza
Herbarium mounts:
Connecticut River 08/19/2020
Elise Lake 07/26/2018
Fox Hill Lake 07/03/2025
Rolling Ridge Pond 06/12/2009
Mackenzie Reservoir 08/07/2007
Pachaug Pond 08/23/2018
Phipps Lake 06/06/2018
Quonnipaug Lake 06/29/2020
Rogers Lake 07/15/2021
Silver Lake 07/01/2008
Twin Lake North 09/11/2018
Twin Lake South 09/13/2018
Youngs Pond 07/01/2009
