Photo 3518845, (c) nmillis, some rights reserved (CC BY-NC)

Attribution © nmillis some rights reserved Uploaded by nmillis Source iNaturalist Associated observations Photos / Sounds What Dog Heartworm (Dirofilaria immitis) Observer nmillis Date April 29, 2016 10:20 AM EDT Place University of Tennessee, Knoxville, TN, US (Google, OSM) Date Added April 29, 2016 02:22 PM UTC 2 IDs Research Grade View Sizes small medium large original