1. A new species and a new combination of Allium sect. Rhizirideum (Alliaceae) from northeastern China and Korea

   • Hyeok-Jae Choi
   • Byoung-Un Oh

   OriginalPaper 17 September 2010 Pages: 199 - 205

   

2. Croton limae (Euphorbiaceae), a new species of section Argyroglossum from northeastern Brazil

   • Ana Paula Souza Gomes
   • Margareth Ferreira de Sales
   • Paul E. Berry

   OriginalPaper 17 September 2010 Pages: 206 - 209

   

3. Calycogonium bairdianum (Melastomataceae: Miconieae), a new species from the Cordillera Central, Dominican Republic

   • James D. Skean Jr.
   • Walter S. Judd
   • Brígido Peguero

   OriginalPaper 17 September 2010 Pages: 210 - 214

   

4. A new dwarf shrubby species of Baccharis subg. Baccharis (Asteraceae, Astereae) from southeastern Brazil

   • Gustavo Heiden
   • Leonardo Dias Meireles

   OriginalPaper 17 September 2010 Pages: 215 - 218

   

5. A new species of Dalea sect. Parosela (Leguminosae: Papilionoideae: Amorpheae) from Guerrero, Mexico

   • A. Eduardo Estrada C.
   • José A. Villarreal Q.

   OriginalPaper 17 September 2010 Pages: 219 - 221

   

6. Notes on Swartzia (Leguminosae) in Central America preliminary to the Flora Mesoamericana, with descriptions of two new species from Costa Rica

   • Benjamin M. Torke
   • Nelson A. Zamora

   OriginalPaper 17 September 2010 Pages: 222 - 232

   

7. Eleocharis cryptica (Cyperaceae), a dwarf new species from Durango, Mexico

   • Jeffery M. Saarela
   • Paul M. Peterson
   • David J. Rosen

   OriginalPaper 17 September 2010 Pages: 233 - 238

   

8. A new combination in the genus Oxyrhynchus (Leguminosae: Phaseolinae)

   • Alfonso Delgado-Salinas
   • A. Eduardo Estrada C.

   OriginalPaper 17 September 2010 Pages: 239 - 242

9. New combinations and typifications in Bistorta, Persicaria, Polygonum, and Rumex (Polygonaceae)

   • James L. Reveal
   • Daniel E. Atha

   OriginalPaper 17 September 2010 Pages: 243 - 263

10. New combinations and lectotypifications of North American taxa in Caryophyllaceae, Chenopodiaceae, Fumariaceae, Montiaceae, Papaveraceae, and Ranunculaceae

    • Noel H. Holmgren
    • Patricia K. Holmgren

    OriginalPaper 17 September 2010 Pages: 264 - 266

11. Notes on Lepraria s.l. (Lecanoromycetes, Ascomycota) in North America: New species, new reports, and preliminary keys

    • James C. Lendemer

    OriginalPaper 17 September 2010 Pages: 267 - 292

    

12. Coccocarpia tomentosa, una nueva especie de Argentina (Ascomycetes liquenizados, Peltigerales, Coccocarpiaceae)

    • Lidia Itatí Ferraro
    • André Aptroot

    OriginalPaper 17 September 2010 Pages: 293 - 299

    

13. Book Review

    • William R. Buck

    BookReview 17 September 2010 Pages: 300 - 301