Photo 21936469, (c) Corey Lange, some rights reserved (CC BY-NC), uploaded by Corey Lange

Attribution © Corey Lange some rights reserved Uploaded by coreyjlange Source iNaturalist Associated observations Photos / Sounds 3 photos What Davis' Knotweed (Koenigia davisiae) Observer coreyjlange Date July 21, 2018 12:57 PM PDT Place Lassen Volcanic National Park, Shingletown, CA, US (Google, OSM) Date Added July 24, 2018 11:40 PM CDT 2 IDs Research Grade View Sizes small medium large original