Photo 4915247, (c) Sarah Wilson, some rights reserved (CC BY-NC), uploaded by Sarah Wilson

Attribution © Sarah Wilson some rights reserved Uploaded by sarahnwilson Source iNaturalist Associated observations Photos / Sounds 2 photos What Longroot Smartweed (Persicaria amphibia var. emersa) Observer sarahnwilson Date September 16, 2016 02:08 PM PDT Place 10799 N Expo Rd, Portland, OR, US (Google, OSM) Date Added September 17, 2016 09:06 AM PDT 4 IDs Research Grade View Sizes small medium large original