1. Three new species of Burmeistera (Campanulaceae-Lobelioideae) from Colombia

   • Javier Garzón Venegas
   • Jorge Mario Vélez Puerta
   • Favio González

   OriginalPaper 20 June 2013 Pages: 119 - 127

   

2. A synopsis of the Juncus hesperius group (Juncaceae, Juncotypus) and their hybrids in western North America

   • Peter F. Zika

   OriginalPaper 20 June 2013 Pages: 128 - 141

   

3. A new species and a new synonym of Begonia from Bolivia

   • Mark C. Tebbitt

   OriginalPaper 20 June 2013 Pages: 142 - 147

   

4. A new species of Mimosa sect. Mimosa (Leguminosae, Mimosoideae) from Southern Brazil

   • Matias Morales
   • Juliana Santos-Silva
   • Osmar S. Ribas

   OriginalPaper 20 June 2013 Pages: 148 - 153

   

5. Taxonomy and nomenclature of the neotropical Machaerium hirtum complex (Leguminosae, Papilionoideae)

   • Fabiana Luiza Ranzato Filardi
   • Haroldo Cavalcante De Lima
   • Ângela Lúcia Bagnatori Sartori

   OriginalPaper 20 June 2013 Pages: 154 - 170

   

6. Miconia galeiformis and Miconia neei (Miconieae: Melastomataceae), two new species from Bolivia

   • Janelle M. Burke
   • Fabián A. Michelangeli

   OriginalPaper 20 June 2013 Pages: 171 - 180

   

7. A new species of Drymonia (Gesneriaceae) from the eastern slopes of the Ecuadorian Andes

   • John L. Clark

   OriginalPaper 20 June 2013 Pages: 181 - 185

   

8. Novae Gesneriaceae Neotropicarum XVIII: Columnea carinata, a new species of Gesneriaceae from northwestern Ecuador

   • John L. Clark
   • Laurence E. Skog

   OriginalPaper 20 June 2013 Pages: 186 - 190

   

9. Four new species of genus Cordia (Cordiaceae, Boraginales) from Brazil

   • María Natividad Sánchez de Stapf
   • Tânia Regina dos Santos Silva

   OriginalPaper 20 June 2013 Pages: 191 - 199

   

10. Carex fumosimontana (Cyperaceae), a new endemic from the Great Smoky Mountains National Park, North Carolina and Tennessee

    • Dwayne Estes

    OriginalPaper 20 June 2013 Pages: 200 - 207

    

11. Taxonomy of Quercus crassifolia (Fagaceae) and morphologically similar species in Mexico

    • M. Lucía Vázquez
    • Kevin C. Nixon

    OriginalPaper 20 June 2013 Pages: 208 - 227

    

12. Pseudosasa xishuangbannaensis (Poaceae: Bambusoideae: Arundinarieae), a new species from Yunnan, China

    • Yu-Xiao Zhang
    • Jimmy K. Triplett
    • De-Zhu Li

    OriginalPaper 20 June 2013 Pages: 228 - 231

    

13. Structural cladistic study of Cocoseae, subtribe Attaleinae (Arecaceae): Evaluating taxonomic limits in Attaleinae and the neotropical genus Syagrus

    • Larry R. Noblick
    • William J. Hahn
    • M. Patrick Griffith

    OriginalPaper 20 June 2013 Pages: 232 - 261

    

14. Anatomy of scapes, bracts, and leaves of Paepalanthus sect. Diphyomene (Eriocaulaceae, Poales) and its taxonomic implications

    • Paula Gabriela Mota Alves
    • Vera Lucia Scatena
    • Marcelo Trovó

    OriginalPaper 20 June 2013 Pages: 262 - 272