Other names include eastern hophornbeam, hardhack (in New England), ironwood, and leverwood.

Spiraea tomentosa, commonly known as the steeplebush or hardhack, is a plant similar in characteristic to S. douglasii.

Once they drew their canoe up to the bank of Sunasquam Water, a stream walled in by the dense green of the hardhack.

Common names include hardhack, hardhack steeplebush, Douglas' spiraea, and rose spiraea.

Common names include Canada Horsebalm, Richweed, Hardhack, Heal-All, Horseweed, Ox-Balm and Stone root.

K. Koch - Eastern Hophornbeam, American Hophornbeam, Ironwood.

Mid-story in mixed hardwoods includes American Hophornbeam, Southern Arrowwood, Virginia Sweetspire and reproduction of the overstory.

In Mexico, associations have been noted with Mexican alder, American Hornbeam, American Hophornbeam, and Liquidambar macrophylla, while in Guatemala the mushroom associates with Smooth-bark Mexican Pine and other pine and oak species.

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.

K. Koch - Eastern Hophornbeam, American Hophornbeam, Ironwood.

Other names include eastern hophornbeam, hardhack (in New England), ironwood, and leverwood.

Spiraea tomentosa, commonly known as the steeplebush or hardhack, is a plant similar in characteristic to S. douglasii.

Once they drew their canoe up to the bank of Sunasquam Water, a stream walled in by the dense green of the hardhack.

Common names include hardhack, hardhack steeplebush, Douglas' spiraea, and rose spiraea.

Common names include Canada Horsebalm, Richweed, Hardhack, Heal-All, Horseweed, Ox-Balm and Stone root.