Photo 9995325, (c) Joseph D Kurtz, some rights reserved (CC BY-NC), uploaded by Joseph D Kurtz

Attribution © Joseph D Kurtz some rights reserved Uploaded by jokurtz Source iNaturalist Associated observations Photos / Sounds 3 photos What Greater Duckweed (Spirodela polyrhiza) Observer jokurtz Date June 8, 2017 01:42 PM HST Place Jackson County, MI, USA (Google, OSM) Date Added August 24, 2017 05:46 PM HST 2 IDs Research Grade View Sizes small medium large original