Geographical distribution of Isoetes nana (blue circle), I. maxima (purple triangle), I. quiririensis (orange diamond) and I. weberi (green squares) in southeastern South America. In Brazil: MG=Minas Gerais; PR=Paraná; RJ=Rio de Janeiro; RS=Rio Grande do Sul; SC=Santa Catarina; SP=São Paulo.

 
 
  Part of: Pereira JBS, Stützel T, Schulz C (2017) Isoetes nana, a new species from the coastal mountain of Southeastern Brazil. PhytoKeys 89: 91-105. https://doi.org/10.3897/phytokeys.89.20171