Two new crustose Cladonia species with strepsilin and other new lichens from the Serra de Maracaju, Mato Grosso do Sul, Brazil

Five species of lichens are described as new from the Serra de Maracaju in Mato Grosso do Sul (Brazil): Cladonia gumboskii Aptroot, M.F. Souza & Spielmann, sp. nov. (also reported from five other states in Brazil), C. zebrathallina Aptroot & Spielmann, sp. nov., Lecanora fluoroxylina Aptroot & M.F.Souza, sp. nov. (also reported from Mato Grosso and Paraná), L. lichexanthoxylina Aptroot & M.F. Souza, sp. nov., and Trypethelium muriforme Aptroot & M.F.Souza, sp. nov.. A further 123 species are reported new to the area, of which ten are first records for Brazil and a further 41 are first records for the state.