1. Spore morphology of the Mexican species of the Elaphoglossum petiolatum complex (Dryopteridaceae)

   • Ana Gabriela Martínez-Becerril
   • Eloy Solano
   • Alejandra Vasco

   Original Research 06 January 2021 Pages: 131 - 142

   

2. Three new species of Oleandra (Oleandraceae, Polypodiopsida) from the Neotropics, and notes on the morphological groups among the Neotropical species

   • Cecília V. Miranda
   • Pedro B. Schwartsburd
   • Jefferson Prado

   Original Research 04 May 2021 Pages: 143 - 151

   

3. Pleopeltis guttisquamata (Polypodiaceae): a new epiphytic fern from the inselbergs of Espírito Santo, Brazil

   • Nelson Túlio Lage Pena
   • Pedro Bond Schwartsburd

   Original Research 25 February 2021 Pages: 152 - 159

   

4. Two new species of Cephalocarpus (Cryptangieae, Cyperaceae) from the Venezuelan Guayana Highland

   • Suzana Maria Costa
   • Maria do Carmo Estanislau do Amaral
   • William Wayt Thomas

   Original Research 19 March 2021 Pages: 160 - 166

   

5. Two new species of Merostachys (Poaceae: Bambusoideae: Bambuseae) from the Brazilian Atlantic Forest in the states of Espírito Santo and Minas Gerais

   • Ronaldo Vinícius-Silva
   • Lynn G. Clark
   • Ana Paula Santos-Gonçalves

   Original Research 14 January 2021 Pages: 167 - 177

   

6. Alfred Prentice Young (1841–1919), an overlooked plant collector in India, and description of the new species, Commelina youngii (Commelinaceae)

   • Mayur Dhondiram Nandikar

   Original Research 19 March 2021 Pages: 178 - 188

   

7. Una nueva especie de Allomaieta (Melastomataceae: Cyphostyleae) de ColombiaA new species of Allomaieta (Melastomataceae: Cyphostyleae) from Colombia

   • Jhon S. Murillo-Serna
   • Heriberto David-Higuita

   Original Research 12 April 2021 Pages: 189 - 194

   

8. A new addition to the stoloniferous Sonerila (Sonerileae, Melastomataceae) from southern Western Ghats, India

   • Sekarathil Resmi
   • Santhosh Nampy

   Original Research 25 March 2021 Pages: 195 - 202

   

9. Bonamia eustachioi (Convolvulaceae), a new species from the Brazilian Cerrado and Caatinga

   • André Luiz da Costa Moreira
   • Roberta Keyla Kojima
   • Taciana Barbosa Cavalcanti

   Original Research 22 March 2021 Pages: 203 - 210

   

10. Chromolucuma brevipedicellata (Sapotaceae, Chrysophylloideae), a new tree species from central Amazonia, Brazil

    • Caroline da Cruz Vasconcelos
    • Isolde Dorothea Kossmann Ferraz
    • Mário Henrique Terra-Araujo

    Original Research 25 March 2021 Pages: 211 - 219

    

11. Camellia flosculora: a new species of Camellia section Thea series Sinenses (Theaceae) from Vietnam

    • Van Son Le
    • Anthony S. Curry
    • Thi Lieu Nguyen

    Original Research 27 January 2021 Pages: 220 - 228

    

12. Notes on Zanthoxylum magnifructum (Rutaceae), a recently described species from tropical dry forest in Colombia: floral morphology, geographical distribution and sexual dimorphism

    • Yeison Londoño-Echeverri
    • Álvaro Idárraga-Piedrahíta
    • Jáider Jiménez-Montoya

    Original Research 14 January 2021 Pages: 229 - 235

    

13. Amyris conzattii Standl. (Rutaceae), a case of false identity

    • Lizetth Jimena Hernández-Barón
    • Adolfo Espejo-Serna
    • Rosa Cerros-Tlatilpa

    Original Research 23 February 2021 Pages: 236 - 240