Grias theobromicarpa (Lecythidaceae), a new species from northwestern Ecuador Xavier CornejoScott A. Mori OriginalPaper 04 June 2010 Pages: 99 - 104
Grias purpuripetala (Lecythidaceae), a new purple-flowered species from southern Colombia Scott A. MoriJ. D. García-GonzálezC. Alvarado OriginalPaper 04 June 2010 Pages: 105 - 109
A taxonomic reappraisal of the South American genus Holocalyx (Leguminosae, Papilionoideae) Vidal de Freitas MansanoMarcelo Dias Machado Vianna Filho OriginalPaper 04 June 2010 Pages: 110 - 115
Croton borbensis, a new species of Euphorbiaceae from white sands of Amazonian Brazil Ricardo De S. SeccoPaul E. Berry OriginalPaper 04 June 2010 Pages: 116 - 119
Capparidastrum tuxtlense (Capparaceae), a new Mexican endemic Xavier CornejoHugh Iltis OriginalPaper 04 June 2010 Pages: 120 - 125
Six new species of Timonius (Rubiaceae: Guettardeae) from Papuasia Steven P. Darwin OriginalPaper 04 June 2010 Pages: 126 - 136
Kadua haupuensis (Rubiaceae: Spermacoceae), a new endemic species from Kaua’i, Hawaiian Islands David H. LorenceWarren L. WagnerWilliam G. Laidlaw OriginalPaper 04 June 2010 Pages: 137 - 144
A new species of Orthophytum (Bromeliaceae, Bromelioideae) from Minas Gerais, Brazil Otávio Batista De Castro RibeiroCláudio Coelho De Paula OriginalPaper 04 June 2010 Pages: 145 - 148
A new species of Thelypteris (Thelypteridaceae) from southern Bahia, Brazil Fernando B. MatosAlan R. SmithPaulo H. Labiak OriginalPaper Open access 04 June 2010 Pages: 149 - 152
A synopsis of Cohniella (Orchidaceae, Oncidiinae) German Carnevali Fernández-ConchaWilliam Rolando Cetzal IxGustavo A. Romero-González OriginalPaper 04 June 2010 Pages: 153 - 177
A new species of Senecio (Asteraceae: Senecionae) from southeastern Brazil Aristônio Magalhães TelesLeonardo Dias Meireles OriginalPaper 04 June 2010 Pages: 178 - 182
Dos especies nuevas de Quararibea (Malvaceae) del sur de México Claudia Gallardo-HernándezFrancisco G. Lorea-Hernández OriginalPaper 04 June 2010 Pages: 183 - 191
Serjania glandulosa (Sapindaceae: Paullinieae), una nueva especie de Serra do Cabral, Minas Gerais, Brasil María S. FerrucciGenise V. Somner OriginalPaper 04 June 2010 Pages: 192 - 197