WATERSHEDS
EPA's Surf Your Watershed
Michigan's Department of Environmental Quality Watersheds
Michigan State's Institute of Water Resources

WETLANDS
USGS National Wetlands Research Center
Michigan Wetlands

NATIVE PLANTS
US Department of Agriculture Plant Database
Wild Ones Native Plant Guidebook

GREAT LAKES
Great Lakes Commission
Lake Michigan Forum
Great Lakes Information Network

BEST MANAGEMENT PRACTICES
Michigan's Department of Environmental Quality BMPs
Minnesota Shoreland Management