Wildflowers of Wisconsin and the Great Lakes Region: A Comprehensive Field Guide Autor Merel R. Black et al. 13 feb 2009 Paperback Preț: 165.57 lei 3-5 săpt.
Field Guide to Wisconsin Sedges: An Introduction to the Genus Carex (Cyperaceae) Autor Andrew L. Hipp et al. 6 feb 2008 Paperback Preț: 165.40 lei 3-5 săpt.
Field Guide to Wisconsin Grasses Autor Emmet J. Judziewicz et al. 12 noi 2014 Paperback Preț: 197.00 lei 6-8 săpt.