The nomenclature of the Catostemma clade (Malvaceae/Bombacoideae/Adansonieae) Carlos Daniel Miranda FerreiraWilliam Surprison AlversonJosé Fernando A. Baumgratz Original Research 29 March 2023 Pages: 113 - 132
Sinopsis de Selaginella (Selaginellaceae) para el departamento de Antioquia, Colombia Susana Vega-BetancurRicardo CallejasAlejandra Vasco Original Research Open access 02 June 2023 Pages: 133 - 158
A revised checklist of Lepanthes (Orchidaceae) from Peru, including new country records Luis Ocupa-HornaLisa ThoerleCarlos Martel Original Research 23 January 2023 Pages: 159 - 179
Macrolobium paulobocae (Leguminosae, Detarioideae), a new species from seasonally inundated black-water floodplain forests in the Brazilian Amazon Francisco FarroñayMaria Thamiris de Sousa MacedoAlberto Vicentini Original Research 02 June 2023 Pages: 180 - 190
A new species of Stylosanthes (Leguminosae – Papilionoideae) from the Chapada das Mesas National Park in Maranhão, Brazil Danilo Soares GissiBenjamin M. TorkeAna Paula Fortuna-Perez Original Research 06 March 2023 Pages: 191 - 201
Two new remarkable species of Myrcia sect. Aguava (Myrtaceae, Myrteae) from the Brazilian Atlantic and Amazon forests Duane F. LimaRenato GoldenbergEve J. Lucas Original Research 03 April 2023 Pages: 202 - 209
A rare new species of Protium from Rondônia, Brazil. Studies in Neotropical Burseraceae XXXI Douglas C. Daly Original Research 05 June 2023 Pages: 210 - 214
A new species of Lepidaploa (Cass.) Cass. (Vernonieae, Asteraceae) from Mantiqueira range, southeastern Brazil Marcelo MongeDanilo MarquesJimi Naoki Nakajima Original Research 12 April 2023 Pages: 215 - 224
A new, striking species of Pentacalia (Compositae) from Ecuador Joel CalvoÁlvaro J. Pérez Original Research 03 March 2023 Pages: 225 - 229