ï~~24 THE MICHIGAN BOTANIST Vol. 46
response to chemicals: effect of nitrogen and pH in the media. Journal of Environmental Biology
27: 13-20.
Perrow, M.R. and Davy, A.J. (editors). (2002). Handbook of Ecological Restoration. Cambridge University Press. New York, NY.
Pickering, D.L., Bierzychudek, P., Salzer, D. and Rudd, N. (2000). Oregon silverspot butterfly dispersal patterns and habitat management. The Nature Conservancy, Portland, Oregon.
Rhoades, C.C., Meier, A.J. and Rebertus, A.J. (2004). Soil properties in fire-consumed log burnout
openings in a Missouri oak savanna. Forest Ecology and Management 192: 277-284.
Riley, J.M. (1987). Gibberellic acid for fruit set and seed germination. California Rare Fruit Growers
Journal 19: 10-12.
Systat (2004). Systat 11.0. Systat Software Inc.
United Nations Environment Programme (UNEP) (2002). Global Environment Outlook - 3 (Geo-3).
http://www.unep.org/Geo/geo3/english/index.htm
United States Fish and Wildlife Service (USFWS) (2001). The Coastal Program: Success in Puget
Sound. FWS Publications Online (http://library.fws.gov/Pubsl/pugetsoundcoastal.pdf).
Voss, E.G. (1985). Michigan Flora, Part II. Dicots (Saururaceae - Cornaceae). Cranbrook Institute of
Science and University of Michigan Herbarium. Bulletin 59.
Wiegmann, S.M. and Waller, D.M. (2006). Fifty years of change in northern upland forest understories: identity and traits of "winner" and "loser" plant species. Biological Conservation 129:
109-123.
0