EUGENE, Ore. — An attack by an insect not even half an inch long is threatening to decimate the state's Ash trees. Oregon ...
Researchers from Penn State collected samples from a specific species of ash tree called the Oregon ash, which exists up and ...
Since 2019, scientists at Penn State's Louis W. Schatz Center for Tree Molecular Genetics focused research efforts on Oregon ash (Fraxinus latifolia), a species that plays a critical role in the ...