Gasteranthus diverticularis, a new species of Gesneriaceae from southern Ecuador John L. Clark OriginalPaper 30 March 2012 Pages: 1 - 5
A synopsis of the genus Poteranthera (Melastomeae: Melastomataceae) with the description of a new, apparently pollinator deceiving species Ricardo Kriebel OriginalPaper 30 March 2012 Pages: 6 - 14
Three new species of Eleocharis (Cyperaceae) from Brazil Rafael TrevisanM. Socorro González-ElizondoIlsi Iob Boldrini OriginalPaper 30 March 2012 Pages: 15 - 22
Two new species and a new combination of Neotropical Sapotaceae Anderson Alves-AraújoMarccus Alves OriginalPaper 30 March 2012 Pages: 23 - 29
A new Comanthera (Eriocaulaceae) from the Espinhaço Range, Minas Gerais, Brazil Livia EchternachtPaulo Takeo Sano OriginalPaper 30 March 2012 Pages: 30 - 34
What is Ceratozamia brevifrons (Zamiaceae)? Andrew P. VovidesSergio AvendañoDennis W. M. Stevenson OriginalPaper 30 March 2012 Pages: 35 - 42
Matayba obovata, a new species of Matayba sect. Matayba (Sapindaceae) from Brazil Rubens L. Gayoso CoelhoVinicius Castro SouzaMaría S. Ferrucci OriginalPaper 30 March 2012 Pages: 43 - 48
An ecologically significant new species of Dacryodes from the northern Andes. Studies in neotropical Burseraceae XV Douglas C. DalyDavid NeillMaría Cristina Martínez-Habibe OriginalPaper 30 March 2012 Pages: 49 - 56
A new species of Rhodospatha (Araceae), with a key to species from the Atlantic Rainforest, Brazil Lívia Godinho TemponiLetícia Peres PoliThomas Bernard Croat OriginalPaper 30 March 2012 Pages: 57 - 60
Two new species of Miconia sect. Sagraea (Melastomataceae) from the Macaya Biosphere Reserve, Haiti, and twelve relevant new species combinations Gretchen M. IontaWalter S. JuddConley K. McMullen OriginalPaper 30 March 2012 Pages: 61 - 72
A new tribe, Bryantheae (Ericoideae: Ericaceae), composed of disjunct genera from South America and Japan Emily L. GillespieKathleen A. Kron OriginalPaper 30 March 2012 Pages: 73 - 75
Phytogeography of the trees of the Osa Peninsula, Costa Rica Xavier CornejoScott A. MoriFrancine Douwes OriginalPaper 30 March 2012 Pages: 76 - 101
Erratum to: Before it had a name: Diagnostic characteristics, geographic distribution, and the conservation of Cupressus tonkinensis (Cupressaceae) Damon P. LittlePhilip ThomasLôc K. Phan Erratum 30 March 2012 Pages: 102 - 102
