Thompson, AmiStrauss, Andrea L.Oberhauser, Karen S.Kooman, Michele H.Evans, ElaineAndicoechea, JonathanBlair, Robert B.2018-07-312018-07-312018https://hdl.handle.net/11299/198626This archival publication may not reflect current scientific knowledge or recommendations. Current information available from the University of Minnesota Extension: https://www.extension.umn.edu.encitizen scienceBook