Photo 867715, (c) Mike Good, some rights reserved (CC BY), uploaded by Mike Good

Attribution © Mike Good some rights reserved Uploaded by mike2 Source iNaturalist Associated observations Photos / Sounds What Japanese Knotweed (Reynoutria japonica) Observer mike2 Date May 12, 2014 02:36 PM EDT Place Allegheny County, US-PA, US (Google, OSM) Date Added May 21, 2014 02:10 PM EDT 3 IDs Research Grade View Sizes small medium large original