1. Chicago Botanic Garden 1000 Glencoe IL U.S.A.
2. Department of AgroecologyAarhus University 4200 Slagelse Denmark
3. Collection DepartmentRoyal Botanic Gardens Kew RH17 6TN U.K.
4. Conservation Science DepartmentRoyal Botanic Gardens Kew RH17 6TN U.K.
5. Department of Environment and Forest ResourceChungnam National University Daejeon Republic of Korea
6. Institute for Applied Ecology 97333 Corvallis OR U.S.A.