Midwest Region

States included: Ohio, Michigan, Indiana, Illinois, Wisconsin, Minnesota.

Ohio

Ohio Native Plant Month / Ohio Native Plants

Ohio Native Plant Month – Plant Guides

Michigan

Michigan Flora

Michigan Botanical Society

Indiana

Indiana Native Plant Society

Illinois

Illinois Native Plant Society

Wisconsin

Wisconsin Native Plant Society

Minnesota

Minnesota Native Plant Society

Minnesota Wildflowers — an extensive illustrated field guide to the plants of Minnesota and the Upper Midwest, with photographs, identification notes, and habitat information.