Photo 20787488, (c) Even Dankowicz, some rights reserved (CC BY), uploaded by Even Dankowicz

Attribution © Even Dankowicz some rights reserved Uploaded by edanko Source iNaturalist Associated observations Photos / Sounds What Japanese Knotweed (Reynoutria japonica) Observer edanko Date September 4, 2016 10:01 AM EDT Place 415 South St, Waltham, MA 02453, USA (Google, OSM) Date Added July 4, 2018 02:17 PM EDT 2 IDs Research Grade View Sizes small medium large original