Hybridization drives speciation in Gagea (Liliaceae) Angela PetersonDoerte HarpkeJens Peterson Original Article 24 February 2009 Pages: 133 - 148
Floral morphology and reproductive success in herkogamous Narcissus cyclamineus (Amaryllidaceae) Asier R. LarrinagaPablo GuitiánJavier Guitián Original Article 17 March 2009 Pages: 149 - 157
Phenological and morphological differentiation in annual Chaetanthera moenchioides (Asteraceae) over an aridity gradient Kester Bull-HereñuMary T. K. Arroyo Original Article 13 March 2009 Pages: 159 - 167
DNA variation within Juncaceae: comparison of impact of organelle regions on phylogeny Lenka Záveská DrábkováČestmír Vlček Original Article 24 February 2009 Pages: 169 - 186
The Balkan endemic Picris hispidissima (Compositae): morphology, nuclear DNA content and relationship to the polymorphic P. hieracioides Marek SlovákTomáš UrfusKarol Marhold Original Article 24 February 2009 Pages: 187 - 201
Lack of allozyme diversity in populations of the rare, endangered terrestrial orchids Tipularia japonica and Epipactis papillosa in Korea Mi Yoon Chung Original Article 12 February 2009 Pages: 203 - 209
Acer pseudoplatanus (Sapindaceae): Heterodichogamy and thrips pollination Ophir Tal Original Article 06 February 2009 Pages: 211 - 221
Pollen grain size, stigma depth, and style length: the relationships revisited Robert William Cruden Original Article 07 February 2009 Pages: 223 - 238
Analysis of the genus Petagnaea Caruel (Apiaceae), using new molecular and literature data Olga De CastroPaola CennamoPaolo De Luca Short Communication 24 March 2009 Pages: 239 - 249