by Jankovsky, L.(Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Lesnicka a Drevarska Fakulta)E-mail:jankov@mendelu.cz, Beranek, J.(Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Lesnicka a Drevarska Fakulta), Vagner, A.(Moravske Zemske Muzeum, Brno (Czech Republic). Botanicke Oddeleni)
Published in Journal of forest science (Praha)