Photo 49514155, (c) Mara McHaffie, some rights reserved (CC BY-NC), uploaded by Mara McHaffie

Attribution © Mara McHaffie some rights reserved Uploaded by maram Source iNaturalist Canada Associated observations Photos / Sounds What Rough Cocklebur (Xanthium strumarium) Observer maram Date August 23, 2019 09:50 AM EDT Place Whitby, ON, Canada (Google, OSM) Date Added August 27, 2019 02:43 PM EDT 2 IDs Research Grade View Sizes small medium large original