Original identification: Spirodela polyrrhiza
Current identification: Spirodela polyrhiza
Photographer: Robert L. Carr
Date Photographed: June 22, 2014
Location: U.S.A., Washington, Pend Oreille County: Pond on the N side of Hwy 2, 0.23 mi. W of Cemetary Lane, just W of Newport.
Elevation: 2122 ft.
Coordinates: 48.1719° N, 117.07077° W
Phenology: Vegetative