1. Department of Genetics; Universidade Federal de Pernambuco; Av. Prof. Moraes Rego, 1235 50.670-420 Recife PE Brazil
2. Universidade Federal Rural de Pernambuco; Unidade Acadêmica de Serra Talhada; 56.900-000 Serra Talhada PE Brazil
3. Department of Botany and Molecular Evolution; Senckenberg Research Institute; Biodiversity and Climate Research Centre (BiK-F) & Johann Wolfgang Goethe-University; D-60325 Frankfurt am Main Germany
4. Australian Tropical Herbarium & Center for Tropical Biodiversity and Climate Change; James Cook University; Cairns QLD 4870 Australia