Tree Identification Cards Here you can view and download a complete set of Tree Identification Cards to assist you as you practice tree identification. Beginners Guide to Tree ID This guide provides step-by-step tips and tricks to help you master tree identification for the trees you see every day! Click here to view! Winter Identification This guide can assist you in identifying trees in the landscape during winter months. This ID key is focused on using buds and leaf scars to help identify the tree. Click here too view the identification key.