1. Department of Experimental and Functional Morphology Institute of Botany of the Czech Academy of Sciences Třeboň Czech Republic
2. Department of Botany, Institute of Biology State University of Campinas Campinas Brazil
3. Department of Biological Sciences, Escola Superior de Agricultura “Luiz de Queiroz” Universidade de São Paulo Piracicaba Brazil
4. Department of Biology and Animal Sciences Universidade Estadual Paulista (UNESP) Ilha Solteira Brazil
5. Lab of Statistical Analysis, Escola Superior de Agricultura “Luiz de Queiroz” Universidade de São Paulo Piracicaba Brazil
6. Lab of Vegetation Ecology, Institute of Biosciences Universidade Estadual Paulista (UNESP) Rio Claro Brazil