Studies in Neotropical Araliaceae. I. Resurrection of the genus Sciodaphyllum P. Browne to accommodate most New World species previously included in Schefflera J. R. Forst. & G. Forst. Porter P. Lowry IIGregory M. PlunkettCarlos Rodrigues-Vaz Original Research 19 November 2019 Pages: 1 - 15
Studies in Neotropical Araliaceae. III. Resurrection of the New World genus Didymopanax Decne. & Planch., previously included in Schefflera (Araliaceae) Pedro FiaschiPorter P. Lowry IIGregory M. Plunkett Original Research 23 January 2020 Pages: 16 - 22
Selaginella moraniana (Selaginellaceae – Lycopodiophyta): A new articulate species with puberulent lateral leaves from northwestern South America Iván A. ValdespinoChristian A. López Original Research 16 December 2019 Pages: 23 - 34
Anemia brunnea (Anemiaceae), a new species from Central Brazil Jefferson PradoRegina Y. Hirai Original Research 25 November 2019 Pages: 35 - 39
Rhynchospora belizensis (Cyperaceae), a new species of Rhynchospora sect. Tenues from Belize Robert F. C. NacziPedro J. S. Silva FilhoWm. Wayt Thomas Original Research 25 November 2019 Pages: 40 - 48
Taxonomic novelties in Myrosmodes (Orchidaceae) from the northwestern Argentine Andes María A. MonsalvoMarcela I. SánchezRenée H. Fortunato Original Research 05 December 2019 Pages: 49 - 56
Psidium pulcherrimum(Myrtaceae, Myrteae), a new species from Bahia, Brazil Amélia Carlos TulerCalmito Miranda CostaAriane Luna Peixoto Original Research 17 December 2019 Pages: 57 - 61
A revision of Thespesia and allied genera in Tribe Gossypieae (Malvaceae-Malvoideae) Fabiola Areces-BerazainJames D. Ackerman Original Research 02 January 2020 Pages: 62 - 110