Ostrya virginiana
 Ostrya virginiana (American hophornbeam) is a species of Ostrya native to eastern North America from Nova Scotia west to southern Manitoba and eastern Wyoming southeast to northern Florida and southwest to eastern Texas and northeastern Mexico. Other names include eastern hophornbeam hardhack (in New England) ironwood and leverwood. It is a deciduous understory tree growing to 18 m tall and 0.2–0.5 m trunk diameter. The bark is brown to gray-brown with small shaggy plates flaking off.