1. Twenty-seven modes of reproduction in the obligate lichen symbiosis

   • Erin A. Tripp
   • James C. Lendemer

   OriginalPaper 12 December 2017 Pages: 1 - 14

   

2. Phenetic and cladistic studies help clarify species assemblages in Passiflora section Dysosmia (Passifloraceae)

   • Harlan T. Svoboda
   • Harvey E. Ballard Jr

   OriginalPaper 22 September 2017 Pages: 15 - 24

   

3. A second ×Cyclobotrya (Dryopteridaceae) from Brazil

   • Pedro B. Schwartsburd
   • Bianca K. Canestraro
   • Alan R. Smith

   OriginalPaper 01 December 2017 Pages: 25 - 30

   

4. The hybrid nature of Danaea plicata (Marattiaceae), a Costa Rican endemic

   • Robbin C. Moran
   • Michael H. Grayum

   OriginalPaper 07 December 2017 Pages: 31 - 39

   

5. Análisis morfológico y anatómico del complejo Myriopteris lendigera (Pteridaceae) en México

   • Yarely Pérez-Atilano
   • Arturo Sánchez-González
   • Y. Alejandra Vasco

   OriginalPaper 19 October 2017 Pages: 40 - 59

   

6. Rhynchospora rheophytica (Cyperaceae), a new species from western Bahia, Brazil

   • William Wayt Thomas
   • Pedro Joel Silva da Silva Filho

   OriginalPaper 07 December 2017 Pages: 60 - 64

   

7. Xyris irwinii (Xyridaceae), a new cerrado species from Goiás, Brazil

   • Maria das Graças Lapa Wanderley
   • Lisa M. Campbell

   OriginalPaper 22 September 2017 Pages: 65 - 69

   

8. Acianthera rodolfo-vasquezii and A. ruizii, spp. nov. (Orchidaceae: 3 Pleurothallidinae) from the montane cloud forest of the central Andes, Peru

   • Alexander Damián Parizaca

   OriginalPaper 07 December 2017 Pages: 70 - 75

   

9. Salvia madrigalii (Lamiaceae), una especie nueva de Michoacán, México

   • Sergio Zamudio
   • Brenda Y. Bedolla-García

   OriginalPaper 04 August 2017 Pages: 76 - 83

   

10. Microlicia veadeirana (Melastomataceae, Microlicieae), a new species from the Chapada dos Veadeiros National Park, Brazil

    • Danielle de Oliveira Diniz Neres
    • Marcos José da Silva

    OriginalPaper 15 September 2017 Pages: 84 - 89

    

11. Taxonomic revision of Miconia sect. Calycopteris (Melastomataceae, Miconieae) in Cuba

    • Eldis R. Bécquer
    • Walter S. Judd
    • Lucas C. Majure

    OriginalPaper 25 August 2017 Pages: 90 - 110

    

12. A new species of Panopsis (Proteaceae) from Bahia, Brazil

    • Ghillean T. Prance

    OriginalPaper Open access 25 October 2017 Pages: 111 - 114

    

13. Revision of the Serrulati species of Penstemon section Saccanthera subsection Serrulati

    • Noel H. Holmgren

    OriginalPaper 26 October 2017 Pages: 115 - 139

    

14. Systematic studies in Neotropical Rinorea (Violaceae): Two new sections and a new generic segregate

    • Gregory A. Wahlert
    • Saul E. Hoyos-Goméz
    • Harvey E. Ballard Jr

    OriginalPaper 07 December 2017 Pages: 140 - 147

    

15. A rebuttal to a recent article by González and Pabón-Mora (2017) claiming the absence of polycotyly and the presence of endosperm in Psittacanthus (Loranthaceae)

    • Job Kuijt

    Report 07 December 2017 Pages: 148 - 149

16. On embryo polarity, polycotyly, and the homology test of conjunction: A reply to Kuijt´s (2017) critique

    • Favio González
    • Natalia Pabón-Mora

    Report 12 December 2017 Pages: 150 - 154