Photo 286796, (c) Marie Studer, some rights reserved (CC BY), uploaded by Marie Studer

Attribution © Marie Studer some rights reserved Uploaded by marie Source iNaturalist Associated observations Photos / Sounds What Paper Birch (Betula papyrifera) Observer marie Date April 2, 2013 02:11 PM EDT Place Harvard Forest (Google, OSM) Date Added April 2, 2013 06:12 PM EDT 3 IDs Research Grade View Sizes small medium large original