1. The Brazilian species of Elaphoglossum section Squamipedia (Dryopteridaceae)

   • Fernando B. Matos
   • John T. Mickel

   OriginalPaper 13 June 2019 Pages: 225 - 234

   

2. Parapolystichum villosissimum (Dryopteridaceae): A new and threatened species from Cuba

   • Carlos Sánchez
   • Paulo H. Labiak

   OriginalPaper 19 February 2019 Pages: 235 - 241

   

3. Isachneburchellii (Poaceae, Micrairoideae) from Rio de Janeiro, Brazil – an endemic new species segregated from Isachne goiasensis

   • Rodrigo S. Rodrigues
   • Tarciso S. Filgueiras

   OriginalPaper 30 April 2019 Pages: 242 - 252

   

4. Resurrection of Carex ignota (Cyperaceae, section Laxiflorae), a long overlooked sedge of the southern U.S.A.

   • Jenna E. Dorey

   Original Research 03 July 2019 Pages: 253 - 267

   

5. New circumscription, morphology and synopsis of Chamaecrista sect. Chamaecrista ser. Coriaceae (Leguminosae)

   • Juliana Gastaldello Rando
   • José Rubens Pirani
   • Gwilym Peter Lewis

   OriginalPaper 19 July 2019 Pages: 268 - 298

   

6. Two new species of Chamaecrista sect. Absus (Leguminosae, Casesalpinioideae) from Brazil and Bolivia with phylogenetic delimitation

   • Alessandro Oliveira de Souza
   • Ramon Guedes Matos
   • Marcos José da Silva

   Original Research 24 July 2019 Pages: 299 - 311

   

7. A new record and emended description of a rare Amazonian white-sand species: Schoepfia clarkii (Schoepfiaceae)

   • Francisco Farroñay
   • Ricardo De Oliveira Perdiz
   • Alberto Vicentini

   OriginalPaper 10 June 2019 Pages: 312 - 317

   

8. Eugenia ochracea (Myrtaceae, Myrteae), a new species from Atlantic forest of Espírito Santo, Brazil

   • Karinne Sampaio Valdemarin
   • Fiorella F. Mazine
   • Vinicius Castro Souza

   OriginalPaper 20 February 2019 Pages: 318 - 324

   

9. Nine new species of Dacryodes from Andean South America. Studies in neotropical Burseraceae XXIV

   • María Cristina Martínez-Habibe
   • Douglas C. Daly

   OriginalPaper 01 May 2019 Pages: 325 - 344

   

10. A new identity for Tetragastris panamensis. Studies in neotropical Burseraceae XXIX

    • Douglas C. Daly

    OriginalPaper 29 May 2019 Pages: 345 - 346

11. A new species of Plutarchia (Ericaceae) from Chingaza National Natural Park, Colombia

    • Nelson R. Salinas
    • María F. González
    • Julio Betancur

    Original Research 16 July 2019 Pages: 347 - 352