Field Guides
Birds
David Allen Sibley and Rick Cech. 2003. The Sibley Field Guide to Birds of Eastern North America, Knopf
Trees
John L Farrar. 1995. Trees of the Northern United States & Canada. Iowa State University Press.
Wildflowers
Lawrence Newcomb. 1989. Newcomb's Wildflower Guide. Little & Brown Co., Toronto. 470 pp.
Ferns
Boughton Cobb, Cheryl Lowe and Elizabeth Farnsworth. 2005. Peterson Field Guide to Ferns, Second Edition: Northeastern and Central North America. Houghton Mifflin.
Mammals
Fiona Reid. 2006. Peterson Field Guide to Mammals of North America: Fourth Edition. Houghton Mifflin.
