Ferrari, S.G., Italiano, M.C., Silva, H.J.: Effect of a cyanobacterial community
      on calcium carbonate precipitation in Puente del Inca (Mendoza, Argentina)...............1

  Vilhar, B., Dermastia, M.: Standardisation of instrumentation in plant
      DNA image cytometry.............................................................................................11

  Nagaraju, V., Bhowmik, G., Parthasarathy, V.A.: Effect of paclobutrazol and
      sucrose on in vitro cormel formation in gladiolus......................................................27

Dogan, Y., Baslar, S., Merth, H. H.: A study on Reseda lutea L. distributed
     naturally in West Anatolia in Turkey..........................................................................35

  Hršak, V.: Taxonomic and chorologic revision of the Polypodium vulgare complex
      in Herbarium Croaticum and the Ivo and Marija Horvat Herbarium ..........................45

  Šilić, Č., Šolić, M.E.: Taxonomy, horology and ecology of Stachys menthifolia
      Vis. (Lamiaceae) in the north – west part of its distribution area.................................51

  Viličić, D.,  Marasović, I., Mioković, D.: Checklist of phytoplankton
      in the eastern Adriatic Sea........................................................................................57
 

In memoriam

  Prof.dr. Ana Šarić ........................................................................93