First records of Landoltia punctata (G.Mey.) Les & D.J.Crawford (Araceae, Lemnoideae) in Santa Catarina, southern Brazil

Abstract

Landoltia punctata (G.Mey.) Les & D.J. Crawford is a cosmopolite duckweed species of significant economic and technological interest, which in the Americas had its southernmost occurrence recorded in Pontal do Paraná, Paraná state, southern Brazil. This work extends its distribution southwards to Santa Catarina state, representing a range extension of ca. 300 km.