1. Typification of two natural hybrids in Rumex (Polygonaceae)

   • Artur Pliszko

   BriefCommunication Open access 10 April 2019 Article: 17

   

2. A new name for an African Aspilia (Compositae: Heliantheae: Ecliptinae)

   • D. J. Nicholas Hind

   BriefCommunication Open access 10 April 2019 Article: 16

3. A new combination is made in Bothriocline (Compositae: Vernonieae), based on Erlangea fruticosa, an apparently rare plant from Guinea and Sierra Leone

   • D. J. Nicholas Hind

   BriefCommunication Open access 10 April 2019 Article: 15

4. Compendium of Freziera (Pentaphylacaceae) of South America including eleven new species and the typification of 22 names

   • Daniel Santamaría-Aguilar
   • Alexandre K. Monro

   OriginalPaper 15 March 2019 Article: 14

   

5. A new species of Condea (Lamiaceae: Ocimeae: Hyptidinae) and a new combination, from the Americas

   • Raymond M. Harley

   OriginalPaper Open access 15 March 2019 Article: 13

   

6. Mesosphaerum caatingense (Lamiaceae), a new species from the semi-arid Caatinga Region of Northeast Brazil

   • Raymond Mervyn Harley
   • José Floriano Barêa Pastore
   • Michelle Mota

   OriginalPaper 15 March 2019 Article: 12

   

7. Anthurium harleyi (Araceae) — a new rupicolous species of section Urospadix from the northern Chapada Diamantina, Bahia, Brazil

   • Tiago Arruda Pontes
   • Ivanilza Moreira de Andrade
   • Simon J. Mayo

   OriginalPaper 15 March 2019 Article: 11

   

8. Bonamia linearifolia (Convolvulaceae), a new species from the Brazilian Cerrado

   • André Luiz da Costa Moreira
   • Rosangela Simão-Bianchini
   • Taciana Barbosa Cavalcanti

   OriginalPaper 15 March 2019 Article: 10

   

9. Four new species of Eriocaulon (Eriocaulaceae) from Bahia, Brazil

   • Earl Celestino de Oliveira Chagas
   • James Lucas da Costa-Lima
   • Ana Maria Giulietti

   OriginalPaper 15 March 2019 Article: 9

   

10. Lactarius pleuromacrocystidiatus (Russulaceae), a novel species from India

    • Priyanka Uniyal
    • Kanad Das
    • R. P. Bhatt

    OriginalPaper 15 March 2019 Article: 8

    

11. Uvaria botryoides (Annonaceae), a new species from Angola

    • Jorge Paiva
    • Sara Bárrios

    OriginalPaper Open access 15 March 2019 Article: 7

    

12. Memecylon idukkianum, a new species of Melastomataceae from Kerala, India

    • S. Syam Radh
    • Santhosh Nampy

    OriginalPaper 15 March 2019 Article: 6

    

13. A taxonomic revision of Acanthaceae tribe Barlerieae in Angola and Namibia. Part 1

    • Iain Darbyshire
    • Erin A. Tripp
    • Frances M. Chase

    OriginalPaper Open access 15 March 2019 Article: 5

    

14. Enneapogon limpopoensis (Poaceae: Chloridoideae: Eragrostideae): a new species from southern Africa

    • Aluoneswi C. Mashau
    • Aletta L. Coetzee

    OriginalPaper 28 February 2019 Article: 4

    

15. Structure and abnormalities in cones of the Wollemi pine (Wollemia nobilis)

    • Veit M. Dörken
    • Paula J. Rudall

    OriginalPaper 08 February 2019 Article: 3

    

16. Orchidaceae in Equatorial Guinea (West Tropical Africa): nomenclatural and taxonomic notes, new records and critical taxa

    • Roberto Gamarra
    • Pablo Galán Cela
    • Emma Ortúñez

    OriginalPaper 08 February 2019 Article: 2

    

17. Labellar anatomy of the Nervilia plicata complex (Orchidaceae: Epidendroideae) in tropical Asia

    • Kanapol Ketjarun
    • Paweena Traiperm
    • Stephan W. Gale

    OriginalPaper 17 January 2019 Article: 1