Author Affiliations +
William F. Nichols,1 Dan Sperduto2
1New Hampshire Natural Heritage Bureau, Division of Forests and Lands, Department of Resources and Economic Development, P.O. Box 1856, 172 Pembroke Road, Concord, NH 03302-1856 bnichols@dred.state.nh.us
2Sperduto Ecological Services, 359 Baptist Road, Canterbury, NH 03224