Photo 22967706, (c) Nate Martineau, some rights reserved (CC BY-NC), uploaded by Nate Martineau

Attribution © Nate Martineau some rights reserved Uploaded by natemartineau Source iNaturalist Associated observations Photos / Sounds 5 photos What Swamp Cottonwood (Populus heterophylla) Observer natemartineau Date August 2018 Place United States (Google, OSM) Date Added August 11, 2018 08:44 PM EDT Description 13 small to large trees; dozens of saplings; dozens of seedlings. 3 IDs Research Grade View Sizes small medium large original