This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
A guide to the trees Plate LXIII . PLATE LXIII BURR OAK Quercus macrocarpa COPYRIGHT BY FREDERICK STOKES COMPANY ORINTEC AMERICA Plate LXIII Text biodiversitylibrary org title Lounsberry Alice NameFound Quercus macrocarpa NameConfirmed Quercus macrocarpa EOLID NameBankID Biodiversity Heritage Library guide to the trees