1. Slovak National Museum-Natural History Museum, Vajanského nábr. 2, P.O. Box 13, 810 06 Bratislava, Slovakia
2. Institute of Botany, Slovak Academy of Sciences, Department of Cryptogams, Dúbravská cesta 14, 845 23 Bratislava, Slovakia
3. Comenius University in Bratislava, Faculty of Natural Sciences, Department of Botany, Révová 39, 811 02 Bratislava, Slovakia