Wolf, Ron2025-07-032025-07-03https://hdl.handle.net/11124/180855Photographed by Ron Wolf.Fossil fern frond in fine-grained sedimentary rock, Petrified Forest, near Holbrook, Navajo County, Arizona.born digitaldigital photographsCopyright Ron Wolf.In copyright - non-commercial use permitted: http://rightsstatements.org/vocab/InC-NC/1.0/fossilsPlants, Fossil -- Arizona -- Navajo CountyFerns, Fossil -- Arizona -- Navajo CountyPaleontology -- TriassicPetrified Forest National Park (Ariz.)Image