Resurrection of Liparis inundata (Orchidaceae)

Reestablishment and recircumscription of Paepalanthus elatus (Eriocaulaceae, Poales), a threatened micro-endemic species from northern Serra do Cipó, Minas Gerais, Brazil

Gomphonema frequentiformis (Metzeltin & Krammer) comb. nov. (Bacillariophyta): ecology and taxonomy of a Neotropical diatom

Molecular assessment of flat Cystocloniaceae (Gigartinales, Rhodophyta) from Brazil with reinstatement of Calliblepharis jolyi and a new record of C. saidana for the Atlantic Ocean

Typification of the two Arariba names published by Martius and of the two Pinckneya names published by Allemão & Saldanha, synonymous with the names of two species of Simira (Rubiaceae, Condamineeae)

Native Species of Sapotaceae Juss. in Paraná, Brazil

A new non-Andean South American Chysis (Bletiinae-Orchidaceae) with pale flowers

New records of the rare, endemic species Spondylosium luetzelburgianum comb. nov. and S. simplex comb. nov. (Desmidiaceae) from Brazil

Two new species of Connarus (Connaraceae) from Brazilian Atlantic Forest

Myrciaria alta (Myrtaceae), a new species from Espírito Santo, Brazil