Photo 6055316, (c) Joe Walewski, some rights reserved (CC BY-NC), uploaded by Joe Walewski

Attribution © Joe Walewski some rights reserved Uploaded by jwalewski Source iNaturalist Associated observations Photos / Sounds What Black Knot (Apiosporina morbosa) Observer jwalewski Date January 17, 2017 12:54 PM CST Place Lake, Minnesota, United States (Google, OSM) Date Added January 17, 2017 02:09 PM CST 3 IDs Research Grade View Sizes small medium large original