Department of Botany;
The Field Museum;
1400 South Lake Shore Drive;
Chicago;
IL 60605;
USA;
South China Botanical Garden;
Chinese Academy of Sciences;
Guangzhou 510650;
China;
Key Laboratory of Biodiversity and Biogeography;
Kunming Institute of Botany;
Chinese Academy of Sciences;
Kunming 650204;
China;
Departamento de Botaniea;
Universidad Nacional de San Agustin;
Arequipa;
Peru;
Department of Botany;
MRC-166;
National Museum of Natural History;
Smithsonian Institution;
PO Box 37012;
Washington DC 20013-7012;
USA;