1. Robert B. Annis Water Resources Institute; Grand Valley State University; 740 W. Shoreline Drive Muskegon MI 49441 U.S.A.
2. Department of Biological Sciences and Environmental and Sustainability Studies Program; Western Michigan University; Kalamazoo MI 49008 U.S.A.
3. Department of Plant Sciences & Plant Pathology; Montana State University; P. O. Box 173150 Bozeman MT 59717 U.S.A.