Literature Cited: 1. Great Lakes Worm Watch. 2009. Worm Research Studies around the Nation. Univ. of Minnesota.
http://www.nrri.umn.edu/worms/research/studies.html 2. Great Lakes Worm Watch. 2009. Sampling Earthworms. Univ. of Minnesota. http://www.nrri.umn.edu/worms/research/methods_worms.html 3. Great Lakes Worm Watch. 2009. Worm identification. http://www.nrri.umn.edu/worms/identification/index.html 4. Great Lakes Worm Watch. 2009. Sampling Plants. http://www.nrri.umn.edu/worms/research/methods_plants.html 5. Sampling Soils and Soil Characteristics. Univ. of Minnesota. http://www.nrri.umn.edu/worms/research/methods_soilscollect.html 6. Bohlen, P.J., S. Scheu, C.M. Hale, M.A. McLean, S. Migge, P.M. Groffman & D. Parkinson. 2004. Non-native invasive earthworms as agents of change in northern temperate forests. Front. in Ecol. & the Envir. 2:427-435. 7. Hale, C.M., L.E. Frelich & P.B. Reich. 2006. Changes in cold-temperate hardwood forest understory plant community in response to invasion by European earthworms. Ecology 87: 16371649. 8. Burtelow, A.E. P.J. Bohlen & P.M. Groffman. 1998. Influence of exotic earthworms on soil organic matter, microbial biomass and denitrification potential in forest soils of the northeastern United States. Appl. Soil Ecol. 9: 197-202. 9. Callaham, M.A., P. Hendrix & R.J. Phillips. 2003. Occurrence of an exotic earthworm (Amynthas agrestis) in undisturbed soils of the southern Appalachian Mts. USA. Pedobiologia 47: 466–470. 10. Bernard, M. J., M.A. Neatrour & T.S. McKay. 2009. Influence of soil buffering capacity on earthworm growth, survival, and community composition in the western Adirondacks and central New York. Nor. Nat. 16:269-284. 11. GÜrres, J.H. & R.D.S. Melnichuk. 2012. Asian invasive earthworms of genus Amynthas Kinberg in Vermont. No. Nat. 19: 313-322. 12. Wisconsin Department of Natural Resources. 2012. Little worms, big consequences.
http://dnr.wi.gov/wnrmag/2012/12/worms.htm and http://dnr.wi.gov/topic/invasives/documents/classification/grf_crazy_worms.pdf 13. Snyder, B.A., M.A. Callaham & P.F. Hendrix. 2010. Spatial variability of an invasive earthworm (Amynthas agrestis) population and potential impacts on soil characteristics and millipedes in the Great Smoky Mtn. Nat. Park. Biol. Inv. 13: 349-358.
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