1. Species diversity of Ficus L. sect. Americanae (Moraceae) in Acre, Brazil

   • Leandro C. Pederneiras
   • Andrea F. da Costa
   • Vidal De F. Mansano

   Original Research 02 July 2020 Pages: 215 - 231

   

2. Typifications and new synonyms of South American species of Sebastiania (Euphorbiaceae), including nomenclatural clarification of the generic type

   • André Laurênio de Melo
   • Sarah Maria Athiê-Souza
   • Margareth Ferreira de Sales

   Original Research 14 May 2020 Pages: 232 - 240

3. The curious distribution of the dwarf Brazilian tree fern, Neoblechnum brasiliense (Blechnaceae): New country records and a significant range extension

   • Steven W. Brewer
   • Guadalupe Cornejo-Tenorio
   • Guillermo Ibarra-Manríquez

   Original Research 06 March 2020 Pages: 241 - 247

   

4. Campyloneurum atrosquamatum (Polypodiaceae), a new species from Amazonia

   • Paulo H. Labiak
   • Blanca León
   • R. C. Moran

   Original Research 23 July 2020 Pages: 248 - 256

   

5. A recircumscription of Goodyera (Orchidaceae), including the description of Paorchis gen. nov., and resurrection of Cionisaccus, Eucosia, and Salacistis

   • Matthew C. Pace

   Original Research 10 July 2020 Pages: 257 - 267

   

6. Taxonomic studies on Zingiberaceae of Myanmar II: Curcuma stolonifera (Subgenus Ecomatae), a new species from the northwestern region

   • Nobuyuki Tanaka
   • Kate Armstrong
   • Akiyo Naiki

   Original Research 21 May 2020 Pages: 268 - 272

   

7. Two new species of Rhynchospora (Cyperaceae) from Bahia, Brazil, and new combinations in Rhynchospora section Pleurostachys

   • William Wayt Thomas

   Original Research 23 June 2020 Pages: 273 - 281

   

8. Hidden in the rocks: A new species of Evolvulus L. (Convolvulaceae) revealed by anatomy

   • Diego Santos
   • Emília Cristina Pereira de Arruda
   • Maria Teresa Buril

   Original Research 14 May 2020 Pages: 282 - 289

   

9. New species of Protium sect. Tetragastris from the Andes, the Brazilian Cerrado, and Amazonia. Studies in Neotropical Burseraceae XXVIII.

   • Douglas C. Daly

   Original Research 15 July 2020 Pages: 290 - 302

   

10. Salvia rupestris (Lamiaceae), a new species endemic to Arapuá Mountain in Pernambuco State, Brazil

    • Michelle Mota
    • Bryan T. Drew
    • J. Floriano B. Pastore

    Original Research 27 May 2020 Pages: 303 - 307

    

11. A first record of Loricalepis (Melastomataceae) from the Brazilian Atlantic Forest, with the description of a new species from Bahia

    • Renato Goldenberg
    • Fabian A. Michelangeli
    • André M. Amorim

    Original Research 29 July 2020 Pages: 308 - 316

    

12. Adenocalymma albiflorum (Bignonieae, Bignoniaceae), a new combination, notes on morphology and distribution

    • Beatriz M. Gomes
    • Luiz Henrique M. Fonseca
    • Carolyn E. B. Proença

    Original Research 17 June 2020 Pages: 317 - 323

    

13. Dos nuevas especies de Magnolia de los extremadamente amenazados bosques montanos del norte de Perú

    • Robin Fernandez-Hilario
    • Rosa Villanueva-Espinoza
    • José Luis Marcelo-Peña

    Original Research 20 April 2020 Pages: 324 - 336