Photo 72256606, (c) Ellen Langford, all rights reserved, uploaded by Ellen Langford

Attribution © Ellen Langford all rights reserved Uploaded by grumpytortoise Source iNaturalist Associated observations Photos / Sounds What Japanese Knotweed (Reynoutria japonica) Observer grumpytortoise Date May 10, 2020 04:31 PM EDT Place The Riverway, Boston, MA, US (Google, OSM) Date Added May 11, 2020 04:49 AM UTC 3 IDs Research Grade View Sizes small medium large original