Composition of the floral nectar of different subgenera of Argentinian Passiflora species María Teresa Amela GarcíaGerhard Gottsberger Original Article 10 September 2009 Pages: 133 - 147
Evaluating the diversity of pteridophyte embryology in the light of recent phylogenetic analyses leads to new inferences on character evolution Gabriel P. JohnsonKaren S. Renzaglia Original Article 20 September 2009 Pages: 149 - 164
Phylogenetic relationships and infrageneric classification of Epidendrum subgenus Amphiglottium (Laeliinae, Orchidaceae) Fábio PinheiroSamantha KoehlerFábio de Barros Original Article 25 September 2009 Pages: 165 - 177
Leaf structure of species from three closely related genera from tribe Crotoneae Dumort. (Euphorbiaceae s.s., Malpighiales) B. de Sá-HaiadA. C. C. Serpa-RibeiroL. D. R. de Santiago-Fernandes Original Article 29 September 2009 Pages: 179 - 202
Evidence for spontaneous polyploidization in cassava Manihot esculenta Crantz Julie SardosMarguerite Rodier-GoudVincent Lebot Original Article 06 October 2009 Pages: 203 - 209
Analyses of cpDNA matK sequence data place Tillaea (Crassulaceae) within Crassula Mark Eugene MortChristopher P. RandleStephen D. Hopper Original Article 06 October 2009 Pages: 211 - 217
Distribution and diversity of Arctic-Alpine species in the Balkans Vladimir StevanovićSnežana VukojičićKit Tan Original Article 07 October 2009 Pages: 219 - 235
Billburttia, a new genus of Apiaceae (tribe Apieae) endemic to Madagascar Anthony Richard MageeBen-Erik van WykStephen R. Downie Original Article 09 October 2009 Pages: 237 - 245
The earliest record of the genus Cola (Malvaceae sensu lato: Sterculioideae) from the Late Oligocene (28–27 Ma) of Ethiopia and leaf characteristics within the genus Aaron David PanBonnie F. Jacobs Original Article 10 October 2009 Pages: 247 - 262
