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Pyšek, P., Danihelka, J., Sádlo, J., Chrtek, J., Chytrý, M., Jarošík, V., Kaplan, Z., Krahulec, F., Moravcová, L., Pergl, J., Štajerová, K., Tichý, L., 2012 - Catalogue of alien plants of the Czech Republic (2nd edition) : checklist update, taxonomic diversity and invasion patterns Electronic Appendix 2 ; Preslia, 84 : 2 p..