“…Nikolajevskij, 1971;Rodewald-Rodescu, 1974;Ruttkay et al, 1964). Besides, different stem and rhizome types were distinguished by Haslam (1969Haslam ( , 1972, Kudo and Ito (1988), and 'aerial rhizomes' were described by Pohl (1985). Rhizome architecture and age structure were studied by Kudo and Ito (1988), Cizková and Lukavska (1999), and Klimes (2000).…”