Zs. P. Komáromy szerk.: Studia Botanica Hungarica 14. 1980 (Budapest, 1980)
Szerdahelyi, Tibor; Hably, Lilla: Rare ferns of Hungary II. New species in Hungary: Osmunda regalis L.
Map 2 Area of Osmunda réglais L. in the world Map 3 Area of Osmunda regalis L. in Europe completed with its new presence in Hungary A
/
