[1] Univ Fed Rio Grande do Sul, Programa Posgrad Bot, BR-91501970 Porto Alegre, RS, Brazil
[2] Univ Fed Rio Grande do Sul, Ctr Biotecnol, Programa Posgrad Biol Celular & Mol, BR-91501970 Porto Alegre, RS, Brazil
[3] Univ Fed Rio Grande do Sul, Dept Bot, Inst Biociencias, BR-91501970 Porto Alegre, RS, Brazil
[4] Inst Agron Campinas IAC, Ctr R&D Ecofisiol & Biofis, Lab Fisiol Vegetal Coaracy M Franco, POB 28, BR-1301297 Campinas, SP, Brazil
[5] Univ Fed Rio Grande do Sul, Ctr Estudos Limnol Costeiros & Marinhos, Campus Litoral Norte, BR-95625000 Imbe, RS, Brazil
[6] Univ Fed Rio Grande do Sul, Dept Interdisciplinar, Campus Litoral Norte, BR-95590000 Tramandai, RS, Brazil