1. Megasporogenesis, female gametophyte development and embryonic development of Ambrosia L. in China

   • Bing-Xiao Chen
   • Cai-Yan Shi
   • Jia-Xi Liu

   Original Article 13 July 2013 Pages: 197 - 208

   

2. Study of genotypic variation of cultivars of winged bean [Psophocarpus tetragonolobus (Stickm.) DC.] with the help of n-alkane profile

   • Sunanda Ray
   • Jagatpati Tah
   • Amalendu Sinhababu

   Original Article 12 July 2013 Pages: 209 - 215

   

3. Cladistic analysis of Taxaceae s. l.

   • Balkrishna Ghimire
   • Kweon Heo

   Original Article 26 July 2013 Pages: 217 - 223

   

4. Polyploidy, alien species and invasiveness in Polish angiosperms

   • Grzegorz Góralski
   • Andrzej Judasz
   • Andrzej J. Joachimiak

   Original Article Open access 27 July 2013 Pages: 225 - 238

   

5. New Malaxis species (Orchidaceae, Epidendroideae) from Colombia

   • Dariusz L. Szlachetko
   • Marta Kolanowska

   Original Article Open access 27 July 2013 Pages: 239 - 244

   

6. Analysis of morphological variability in the Indian germplasm of Allium sativum L.

   • Lakhvinder Singh
   • Veenu Kaul
   • R. N. Gohil

   Original Article 25 July 2013 Pages: 245 - 254

   

7. Taxonomic individuality of Leonurus cardiaca and Leonurus quinquelobatus in view of morphological and molecular studies

   • Paweł Marciniuk
   • Barbara Gawrońska
   • Andrzej J. Joachimiak

   Original Article Open access 25 July 2013 Pages: 255 - 261

   

8. A clarification of Gnetum L. (Gnetaceae) in Africa and the description of two new species

   • Elvire H. Biye
   • Kevin Balkwill
   • Glynis V. Cron

   Original Article 28 July 2013 Pages: 263 - 272

   

9. Morphological evaluation of the Pinus kesiya complex (Pinaceae)

   • Roman Businský
   • Tomáš Frantík
   • Petr Vít

   Original Article 26 July 2013 Pages: 273 - 285

   

10. Male meiosis and behaviour of sex chromosomes in different populations of Rumex acetosa L. from the Western Himalayas, India

    • Umer Farooq
    • Lovleen
    • M. I. S. Saggoo

    Original Article 30 July 2013 Pages: 287 - 294

    

11. Karyotype of mitotic metaphase and meiotic diakinesis in non-heading Chinese cabbage

    • Jin-shuang Zheng
    • Cheng-zhen Sun
    • Xi-lin Hou

    Original Article 20 August 2013 Pages: 295 - 302

    

12. Ultrastructure of microsporogenesis and microgametogenesis in Campsis radicans (L.) Seem. (Bignoniaceae)

    • Sevil Tütüncü Konyar

    Original Article 18 August 2013 Pages: 303 - 320

    

13. Reproductive biology of Epidendrum tridactylum (Orchidaceae: Epidendroideae): a reward-producing species and its deceptive flowers

    • Emerson R. Pansarin
    • Ludmila M. Pansarin

    Original Article 14 August 2013 Pages: 321 - 328

    

14. Comparative inflorescence and floral ontogeny in the genus Mentha (Mentheae: Nepetoideae: Lamiaceae): variable sequences of organ appearance and random petal aestivation

    • Somayeh Naghiloo
    • Zahra Esmaillou
    • Mohammad Reza Dadpour

    Original Article 14 August 2013 Pages: 329 - 345

    

15. Comparative structure of the pollen in species of Passiflora: insights from the pollen wall and cytoplasm contents

    • Adriano Silvério
    • Jorge Ernesto de Araujo Mariath

    Original Article 17 August 2013 Pages: 347 - 358

    

16. Seasonal variations of lipophilic compounds in needles of two chemotypes of Pinus pinaster Ait.

    • Carlos Arrabal
    • María Concepción García-Vallejo
    • Brígida Fernández de Simón

    Original Article 20 August 2013 Pages: 359 - 367

17. New marsileaceous fossils from the Late Cretaceous of South America and a reevaluation of Marsileaceaephyllum

    • Elizabeth J. Hermsen
    • María A. Gandolfo
    • N. Rubén Cúneo

    Original Article 20 August 2013 Pages: 369 - 386

    

18. Erratum to: New marsileaceous fossils from the Late Cretaceous of South America and a reevaluation of Marsileaceaephyllum

    • Elizabeth J. Hermsen
    • María A. Gandolfo
    • N. Rubén Cúneo

    Erratum 16 October 2013 Pages: 387 - 387