Urban Tree of Merit: Overcup Oak
The underside of the overcup oak acorn. Photo by Chris Evans, University of Illinois, Bugwood.org Tree of Merit: Overcup Oak (Quercus lyrata) Story by Cene Ketcham, Extension Arborist, Casey Trees Overcup oak (Quercus lyrata)—sometimes known as swamp post oak or water white oak—is a tough [...]