Sedum perezdelarosae (Crassulaceae) una especie nueva para el estado de Puebla, México H. David Jimeno-SevillaAmparo Albalat-Botana OriginalPaper 22 December 2012 Pages: 337 - 342
A new species and a new subspecies of Salvia (Lamiaceae) from Jalisco and Michoacán, Mexico Hugh H. IltisJesús Guadalupe González-GallegosJosé Antonio Vázquez-García OriginalPaper 22 December 2012 Pages: 343 - 352
Viola lilliputana sp. nov. (Viola sect. Andinium, Violaceae), one of the world's smallest violets, from the Andes of Peru Harvey E. Ballard Jr.Hugh H. Iltis OriginalPaper 22 December 2012 Pages: 353 - 358
New Boraginales from tropical America 7: A new species of Cordia from Bolivia and nomenclatural notes on neotropical Cordiaceae James S. Miller OriginalPaper 22 December 2012 Pages: 359 - 362
Two new species of Acalypha (Euphorbiaceae) from Bolivia José María Cardiel SanzPablo Muñoz Rodríguez OriginalPaper 22 December 2012 Pages: 363 - 367
A new species of Eupatorium (Asteraceae) from the Philippines Eric E. LamontUlysses F. Ferreras OriginalPaper 22 December 2012 Pages: 368 - 373
Apeiba trombetensis (Malvaceae: Grewioideae), a new species from northern Brazil L. J. Dorr OriginalPaper 22 December 2012 Pages: 374 - 380
A synopsis of Rhynchospora sect. Pluriflorae (Cyperaceae) Ana Claudia AraújoHilda Maria Longhi-WagnerWm. Wayt Thomas OriginalPaper 22 December 2012 Pages: 381 - 393
Dos especies nuevas de Borreria (Rubiaceae) y sinopsis de las especies de Bolivia Elsa L. CabralLaila M. MiguelJosé D. Soto OriginalPaper 22 December 2012 Pages: 394 - 412
Four new species of Ixora (Rubiaceae, Ixoreae) from Brazil Fernando Régis Di MaioAriane Luna Peixoto OriginalPaper 22 December 2012 Pages: 413 - 420
David Fairchild expeditions to the Canary Islands: Plant collections and research outcomes Javier Francisco-OrtegaArnoldo Santos-GuerraMarianne Swan OriginalPaper 22 December 2012 Pages: 421 - 437