About this article
Published Online: Nov 30, 2012
Page range: 3 - 6
DOI: https://doi.org/10.2478/v10119-012-0018-1
This content is open access.
Bogdan Jackowiak
Department of Plant Taxonomy, Faculty of Biology, Adam Mickiewicz University, Umultowska 89, 61-614 Poznań, Poland
Waldemar Żukowski
Department of Plant Taxonomy, Faculty of Biology, Adam Mickiewicz University, Umultowska 89, 61-614 Poznań, Poland