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.

Table 2. Covering values and frequency of the species in the samples Species Frequency Covering values in the samples 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 Quereus robur 8 3 5 5 4 3 3 2 3 2 Be tula pendula 2 2 + 3 Alnus glutinosa 10 + 3 + 4+ 2 2 + 2 2 4 Frangula alnus 7 1 2 1 + + + + 5 Rubus caesius 7 4 + 1 + 2 + + 6 Rubus" sp. 3 4 + 1 7 Fragarla vesca 3 + + + 8 Galium rotundifolium 3 + + + 9 Poa compressa 1 410 Agrostis tenuis 7 1 + + 5 5 5 5 11 Holcus mollis 1 + 12 Padus serotinus 3 + + + 13 Carex vulpina 2 + + 14 Polygonum convolvulus 1 + 15 Populus tremula 3 + + + 16 Osmunda regalis 7 4 + 3 2 2 2 2 17 Molinia coerulea 3 + 1 2 18 Lysimachia vulgaris 8 + + + + + + + + 19 Veronica officinalis 1 + 20 Stellaria media 1 + 21 Potentilla erecta 2 + + 22 Carex elongata 13 + 1 2 1 + + + + + 2 + + + 23 Dryopteris carthusiana 7 1 4+ + + + 424 Juncus effusus 12 1 + 4 + + 5 5 2 2 + 2 + 25 Polytrichum sp. 1 + 26 Peucedanum palustre 4 + 4 + + 27 Spirea salicifolia 1 + 28 Sphagnum sp. 3 + 1 + 29 Calamagrostis canescens 1 +