![Spirodela polyrhiza, Phipps Lake in West Haven, June 6, 2018](/-/media/caes/oais/herbarium/herbarium-species-images/spipol.jpg?sc_lang=en&h=287&w=200&hash=77CEC9A12B3B4BC74A5367773BCF894A)
Great Duckweed
Spirodela polyrhiza
Herbarium mounts:
Connecticut River 08/19/2020
Elise Lake 07/26/2018
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