Institution: | aDepartment of Biology, Duke University, Durham, NC 27708, USA;bDepartment of Phanerogamic Botany, Swedish Museum of Natural History, Stockholm, Sweden;cAlbrecht-von-Haller Institute für Pflanzenwissenschaften, Georg-August-Universität, Göttingen, Germany;dNatural Science Department, Lyndon State College, Lyndonville, VT 05851, USA |