Jeffords, Michael R books & textbook
Butterflies of Illinois: A Field Guide
Jeffords, Michael Post, Susan Wiker, James R.
Illinois Natural History Survey /2019-04-30 Paperback / 440 Pages
isbn-10: 0252084462 / isbn-13: 9780252084461
Biologists in the Field: Stories, Tales, and Anecdotes from 150 Years of Field Biology
Jefford, Michael R., Post, Susan L., and Warwick, Charles Jefford, Michael R., Post, Susan L., and Warwick, Charles Jefford, Michael R., Post, Susan L., and Warwick, Charles
Illinois Natural History Survey /2008T Paperback / 212 Pages
isbn-10: 1882932196 / isbn-13: 9781882932191
Our Living Heritage: The Biological Resources of Illinois (Volume 34, Article 4)
Lawrence M. Page and Michael R. Jeffords
IL Dept. of Energy and Natural Resources /1991-01-01 Paperback / 477 Pages
Natural History Notes on Nesting, Nests, and Hatchling Emergence in the Red-eared Slider Turtle, Trachemys Scripta Elegans, in West-central Illinois: 140
Jeffords, Michael R Warwick, Charles Illinois Natural History Survey Divi
Legare Street Press /2022-10-27 Paperback / 20 Pages
isbn-10: 1018595031 / isbn-13: 9781018595030