Klara Scharnagl1, Anna Scharnagl2, Eric von Wettberg3. 1. Department of Plant Biology, 612 Wilson Road, Michigan State University, East Lansing, Michigan 48824 USA klara.scharnagl@gmail.com. 2. Division of Biological Sciences, 105 Tucker Hall, University of Missouri, Columbia, Missouri 65211 USA. 3. Department of Biological Sciences and International Center for Tropical Botany, Florida International University, Miami, Florida 33199 USA.