The Indiana DNR is accepting nominations for the 2010 Big Tree Register, a list of the largest known native trees in the state, published every five years.

The application requires three measurements of a tree—total circumference, in inches, at 4 1/2 feet above the ground; total height, in feet; and average crown spread, in feet.

The tree of each species with the highest total is Indiana's largest. Each tree nominated is verified for species and size before acceptance in the register.

For more information about nominating a tree, contact Janet Eger at (812) 247-2479 or email jeger@dnr.IN.gov. The nomination form is at http://www.IN.gov/dnr/forestry/ 3605.htm under "directories."