Biological soil crusts: new genera and species of Cyanobacteria from Brazilian semi-arid regions
Iris zhaoana, a new name for Iris potaninii var. ionantha (I. sect. Pseudoregelia ser. Tigridiae, Iridaceae) from China: evidence from morphological and plastid DNA data
A new species and a new record of Peliosanthes (Asparagaceae) from eastern Thailand
Typification of two species names in Dendrochilum (Orchidaceae, subgenus Platyclinis)
Goldenberg, R. & Bacci, L.F. (2020) Taxonomic Notes in South American Miconia IV: the rare Miconia pennipilis Cogn. is actually a synonym of the enigmatic Miconia dura Triana. Phytotaxa 459 (4): 296–300. (Erratum)