A vigorous tree that has merchantable value but occupies more space than its value warrants. Usually very limby.

A predominant tree with a large crown and high taper, typically having braches all along its bole. Common in areas of low stocking.

A tree with large branches and a spreading crown occupying more space in the forest than its economic value justifies. Wolf trees may have wildlife or esthetic value.

a large, excessively branchy tree which occupies more space in the forest than surrounding trees. Wolf trees have high wildlife and aesthetic value, but little if any timber value.

a large older tree with a spreading crown and little or no timber value, but often great value for wildlife.