Photo 117115, (c) Marie Studer, some rights reserved (CC BY), uploaded by Marie Studer

Attribution © Marie Studer some rights reserved Uploaded by marie Source iNaturalist Associated observations Photos / Sounds What Japanese Knotweed (Reynoutria japonica) Observer marie Date May 15, 2012 02:30 PM EDT Place 7 Mary Cath, Sudbury, Massachusetts, US (Google, OSM) Date Added May 15, 2012 02:47 PM EDT 3 IDs Research Grade View Associated taxa CC Japanese Knotweed (Fallopia japonica [inactive]) Info Photo (c) Marie Studer, some rights reserved (CC BY), uploaded by Marie Studer Sizes small medium large original