1. A new species of Eremogone (Caryophyllaceae) from northern Utah and southeastern Idaho, U.S.A.

   • Noel H. Holmgren
   • Patricia K. Holmgren

   OriginalPaper 22 March 2011 Pages: 1 - 6

   

2. Carapa vasquezii (Meliaceae), a new species from western Amazonia

   • David Kenfack

   OriginalPaper 22 March 2011 Pages: 7 - 10

   

3. The Cyatheaceae (Polypodiopsida) of Peru

   • Marcus Lehnert

   OriginalPaper 22 March 2011 Pages: 11 - 45

   

4. Two new species of Myrtaceae (Myrteae) from northern South America

   • Carolyn E. B. Proença
   • Laura V. S. Jennings
   • Eve J. Lucas

   OriginalPaper 22 March 2011 Pages: 46 - 50

   

5. Nothotalisia, a new genus of Picramniaceae from tropical America

   • Wm. Wayt Thomas

   OriginalPaper 22 March 2011 Pages: 51 - 61

   

6. Novedades en Pecluma (Polypodiaceae)

   • Luz Amparo Triana-Moreno

   OriginalPaper 22 March 2011 Pages: 62 - 65

   

7. Ipomoea macdonaldii (Convolvulaceae), una especie nueva del estado de Oaxaca, México

   • Eleazar Carranza González

   OriginalPaper 22 March 2011 Pages: 66 - 69

   

8. Polianthes zapopanensis (Agavaceae), una especie nueva de Jalisco, México

   • Eloy Solano
   • Ramiro Ríos-Gómez

   OriginalPaper 22 March 2011 Pages: 70 - 74

   

9. Stephanbeckia plumosa (Liabeae: Compositae): A new genus and species from southern Bolivia

   • Harold Robinson
   • V. A. Funk

   OriginalPaper 22 March 2011 Pages: 75 - 82

   

10. Asplenium cornutissimum (Aspleniaceae), a new species from karst caves in Guangxi, China

    • Ri-Hong Jiang
    • Xian-Chun Zhang
    • Yan Liu

    OriginalPaper 22 March 2011 Pages: 83 - 86

    

11. New species of Podandrogyne (Cleomaceae) I. Two species from western Colombia and eastern Panama

    • Theodore S. Cochrane

    OriginalPaper 22 March 2011 Pages: 87 - 101

    

12. A new combination in Aulonemia (Poaceae: Bambusoideae: Bambuseae) based on floral analysis, anatomical features, and distribution

    • Pedro L. Viana
    • Tarciso S. Filgueiras
    • Elder A. S. Paiva

    OriginalPaper 22 March 2011 Pages: 102 - 112

    

13. Two new species of Boopis (Calyceraceae) from Argentina

    • Lucio Zavala-Gallo
    • Silvia Denham
    • Raúl Pozner

    OriginalPaper 22 March 2011 Pages: 113 - 117

    

14. Una especie nueva del género Croton (Euphorbiaceae) de Guerrero, México

    • Martha Martínez Gordillo
    • Ramiro Cruz Durán

    OriginalPaper 22 March 2011 Pages: 118 - 121

    

15. Three new species of Croton (Euphorbiaceae s.s.) from the Brazilian Caatinga

    • Daniela S. Carneiro-Torres
    • Inês Cordeiro
    • Ricarda Riina

    OriginalPaper 22 March 2011 Pages: 122 - 132

    

16. Novae Gesneriaceae Neotropicarum XVI: Cremosperma anisophyllum, a new species of Gesneriaceae from the Chocó region of northern Ecuador and southern Colombia

    • John L. Clark
    • Laurence E. Skog

    OriginalPaper 22 March 2011 Pages: 133 - 138

    

17. Stenogrammitis, a new genus of grammitid ferns segregated from Lellingeria (Polypodiaceae)

    • Paulo H. Labiak

    OriginalPaper 22 March 2011 Pages: 139 - 149

    

18. A new species of Sauvagesia (Ochnaceae) from the Espinhaço range of Minas Gerais, Brazil

    • Domingos Benício Oliveira Silva Cardoso

    OriginalPaper 22 March 2011 Pages: 150 - 155

    

19. Taxonomy, distribution and emended description of the neotropical genus Lophogyne (Podostemaceae)

    • Claudia Petean Bove
    • C. Thomas Philbrick
    • Wilson J. E. M. Costa

    OriginalPaper 22 March 2011 Pages: 156 - 160