Sponsored by: Northwest Hardwoods: Lumber that’s Graded For Yield®. The United States is home to several species of ash, including the commercially viable Fraxinus americana (white ash ...

“I have noted that the blue ash, Fraxinus quadrangulata, while infested like the other Fraxinus species on campus, seems to be slow to succumb and is still fairly healthy,” Klick wrote.

At the time of settlement, portions of the Inner Bluegrass plateau were occupied by a savanna-woodland, in which Fraxinus quadrangulata, Quercus macrocarpa, Q. muhlenbergii, and Q. shumardii were ...