[1] Free Univ Berlin, Bot Garden, Konigin Luise Str 6-8, D-14195 Berlin, Germany
[2] Free Univ Berlin, Bot Museum Berlin, Konigin Luise Str 6-8, D-14195 Berlin, Germany
[3] USDA ARS, Beltsville Agr Res Ctr BARC West, Natl Germplasm Resources Lab, Bldg 003, Beltsville, MD 20705 USA
[4] Australian Natl Herbarium, Ctr Australian Natl Biodivers Res, GPO Box 1700, Canberra, ACT 2601, Australia
[5] Chinese Acad Sci, South China Bot Garden, Key Lab Plant Resources Conservat & Sustainable U, Guangzhou 510650, Guangdong, Peoples R China
[6] Fairy Lake Bot Garden, Shenzhen Key Lab Southern Subtrop Plant Divers, Shenzhen 518004, Guangdong, Peoples R China