Photo 11141255, (c) Colin Chapman-Lam, some rights reserved (CC BY-NC), uploaded by Colin Chapman-Lam

Attribution © Colin Chapman-Lam some rights reserved Uploaded by cchapman-lam Source iNaturalist Canada Associated observations Photos / Sounds What Greater Duckweed (Spirodela polyrhiza) Observer cchapman-lam Date June 7, 2017 08:01 PM EDT Place Cootes Paradise A, Hamilton, ON, Canada (Google, OSM) Date Added October 12, 2017 06:52 PM EDT Description Zoom in - row of bumps fairly distinguishable 2 IDs Research Grade View Sizes small medium large original