Photo 541666, (c) Christopher Tracey, some rights reserved (CC BY-NC-SA), uploaded by Christopher Tracey

Attribution © Christopher Tracey some rights reserved Uploaded by ctracey Source iNaturalist Associated observations Photos / Sounds What Japanese Knotweed (Reynoutria japonica) Observer ctracey Date October 15, 2013 10:13 AM EDT Place 674–698 Gold Way, Pittsburgh, Pennsylvania, US (Google, OSM) Date Added October 15, 2013 04:20 PM EDT 2 IDs Research Grade View Sizes small medium large original