Megasporogenesis, female gametophyte development and embryonic development of Ambrosia L. in China Bing-Xiao ChenCai-Yan ShiJia-Xi Liu Original Article 13 July 2013 Pages: 197 - 208
Study of genotypic variation of cultivars of winged bean [Psophocarpus tetragonolobus (Stickm.) DC.] with the help of n-alkane profile Sunanda RayJagatpati TahAmalendu Sinhababu Original Article 12 July 2013 Pages: 209 - 215
Cladistic analysis of Taxaceae s. l. Balkrishna GhimireKweon Heo Original Article 26 July 2013 Pages: 217 - 223
Polyploidy, alien species and invasiveness in Polish angiosperms Grzegorz GóralskiAndrzej JudaszAndrzej J. Joachimiak Original Article Open access 27 July 2013 Pages: 225 - 238
New Malaxis species (Orchidaceae, Epidendroideae) from Colombia Dariusz L. SzlachetkoMarta Kolanowska Original Article Open access 27 July 2013 Pages: 239 - 244
Analysis of morphological variability in the Indian germplasm of Allium sativum L. Lakhvinder SinghVeenu KaulR. N. Gohil Original Article 25 July 2013 Pages: 245 - 254
Taxonomic individuality of Leonurus cardiaca and Leonurus quinquelobatus in view of morphological and molecular studies Paweł MarciniukBarbara GawrońskaAndrzej J. Joachimiak Original Article Open access 25 July 2013 Pages: 255 - 261
A clarification of Gnetum L. (Gnetaceae) in Africa and the description of two new species Elvire H. BiyeKevin BalkwillGlynis V. Cron Original Article 28 July 2013 Pages: 263 - 272
Morphological evaluation of the Pinus kesiya complex (Pinaceae) Roman BusinskýTomáš FrantíkPetr Vít Original Article 26 July 2013 Pages: 273 - 285
Male meiosis and behaviour of sex chromosomes in different populations of Rumex acetosa L. from the Western Himalayas, India Umer FarooqLovleenM. I. S. Saggoo Original Article 30 July 2013 Pages: 287 - 294
Karyotype of mitotic metaphase and meiotic diakinesis in non-heading Chinese cabbage Jin-shuang ZhengCheng-zhen SunXi-lin Hou Original Article 20 August 2013 Pages: 295 - 302
Ultrastructure of microsporogenesis and microgametogenesis in Campsis radicans (L.) Seem. (Bignoniaceae) Sevil Tütüncü Konyar Original Article 18 August 2013 Pages: 303 - 320
Reproductive biology of Epidendrum tridactylum (Orchidaceae: Epidendroideae): a reward-producing species and its deceptive flowers Emerson R. PansarinLudmila M. Pansarin Original Article 14 August 2013 Pages: 321 - 328
Comparative inflorescence and floral ontogeny in the genus Mentha (Mentheae: Nepetoideae: Lamiaceae): variable sequences of organ appearance and random petal aestivation Somayeh NaghilooZahra EsmaillouMohammad Reza Dadpour Original Article 14 August 2013 Pages: 329 - 345
Comparative structure of the pollen in species of Passiflora: insights from the pollen wall and cytoplasm contents Adriano SilvérioJorge Ernesto de Araujo Mariath Original Article 17 August 2013 Pages: 347 - 358
Seasonal variations of lipophilic compounds in needles of two chemotypes of Pinus pinaster Ait. Carlos ArrabalMaría Concepción García-VallejoBrígida Fernández de Simón Original Article 20 August 2013 Pages: 359 - 367
New marsileaceous fossils from the Late Cretaceous of South America and a reevaluation of Marsileaceaephyllum Elizabeth J. HermsenMaría A. GandolfoN. Rubén Cúneo Original Article 20 August 2013 Pages: 369 - 386
Erratum to: New marsileaceous fossils from the Late Cretaceous of South America and a reevaluation of Marsileaceaephyllum Elizabeth J. HermsenMaría A. GandolfoN. Rubén Cúneo Erratum 16 October 2013 Pages: 387 - 387