Five new records and an identification key of the lichen genus Leptogium from Santa Catarina state, Brazil

Abstract

Leptogium is a cosmopolitan genus with currently 180 accepted species, of which 46 are reported from Brazil. Leptogium atlanticum, L. azureum, L. cyanescens, L. sessile and L. subjuressianum are recorded from the Brazilian state of Santa Catarina for the first time. Leptogium chloromelum var. crassius is synonymized with L. sessile. Leptogium atlanticum is recorded for the first time outside the type locality. We also provide comments and the first identification key for Leptogium species found in Santa Catarina state.