Mid-Devonian Archaeopteris Roots Signal Revolutionary Change in Earliest Fossil ForestsStein, William E.; Berry, Christopher M.; Morris, Jennifer L.; Hernick, Linda VanAller; Mannolini, Frank; Ver Straeten, Charles; Landing, Ed; Marshall, John E.A.; Wellman, Charles H.; Beerling, David J.; Leake, Jonathan R. · Current Biology · 2019