Zs. P. Komáromy szerk.: Studia Botanica Hungarica 15. 1981 (Budapest, 1981)

Gönczöl, János; Révay, Ágnes: Data to the knowledge of microscopic fungi of the Ócsa Nature Conservation Area

Table 1. The distribution of microfungi according to host plant species on the "Ócsai égerláp" marshland Host plants Microfungi (No.) Alisma plantago-aquatica 78 Allium scorodoprasum 43 Alnus glutinosa 9,' 63 Arctium tomentosum 28 Arrhenatherum elatius 27 Artemisia vulgaris 26 Calamagrostis epigeios 31 Capsella bursa-pastoris 7 Carex riparia 50 Centaurea pannonica 29 Cirsium canum 17, 21, 30, 80 Cynodon dactylon 32 Frangula alnus 23, 61, 65 Fraxinus angustifolia subsp. pannonica 60, 66, 75, 69 Galium uliginosum 39 Glechoma hederacea 33 Glyceria flultans 58 Glyceria maxima 31, 51 Hydrocharis morsus-ranae 53 Iris pseudacorus 19, 56, 59 Juncus subnodulosus 44 Lamium glaeobdolon 41 Lapsana communis 79 Host plants Microfungi (No.; Lathyrus paluster 45 Mentha aquatica 35 Molinia coerulea 8, 36 Myosotis palustris 48 Myosoton aquaticum 52 Phragmites australis 34, 42, 64, 73 Plantago major 10 Polygonatum latlfolium 57 Polygonum mite 38 Quercus robur 71 Ranunculus repens 12 Robinia pseudacacia 77 Rumex hydrolapathum 46, 72 Rubus caesius 14, 25, 67 Salix alba 22, 62 Silene alba 47 Silene vulgaris 52 Symphytum officinale 40, 49 Trifolium dubium 11 Trifolium fragiferum 20 Tussilago farfara 37 Urtica dioica 68, 74, 76 Veratrum album 57 Verbascum phlomoides 15 All of the 82 microfungi occured on different determined and undetermined host plantB. There were: 10 undetermined, 7 determined trees, and 40 determined herbs. The authors wish to express their thanks to Dr. S. TÓTH (University of Agricultural Sciences, Gödöllő, Hungary), and to Gy.

SZOLLÁT (Hungarian Natural History Museum, Botanical Department, Budapest) for their help and valuable advice. REFERENCES ALLESCHER, A. (1903): Fungi Imperfectl. In: Rabenhorst'

s Kryptogamen-Flora Die Pilze, 7. Verlag von Eduard Kummer, Leipzig, 1072 pp. ARX, J.A. (1957): Die Arten der Gattung Colletotrichum Cda. - Phytophath. Zeits. 29: 413-508. BLUMER, S. (1933): Die Erysiphaceen Mitteleuropas. - Zürich, 483 pp. DENNIS, R.W.G. (1968): British Ascomycetes. - Stuttgart, 455 pp. DIEDICKE, H. (1915): Sphaeropsideae, Melanconieae, In: Kryptogamenflora der Mark Brandenburg, 9. - Verlag von Gebrüder Borntraeger, Leipzig, 962 pp. ELLIS, M.B. (1957): Some species of Deightoniella. - Mycol.Papers., 66: 1-12. ELLIS, M.B. (1971): Dematiaceous Hyphomycetes

. - Commonwealth Mycol. Inst., England, 608 pp. GÄUMANN, E. (1959): Die Rostpilze Mitteleuropas. - Bern, 1007 pp. GUTNER, L.SZ. (1934): Material! k monografii roda Cytospora. - Acta Inst.

Bot.Acad.

Sei.

URSS, 2 (2): 411-483. HOLM, L. (1957): Études taxonomiques sur les Pléosporacées

. - Symb.Bot. Ups

., _14 (3), Uppsala, 188 pp. HORTOBÁGYI, T. (1968): Növényhatározó - Tankönyvkiadó, Budapest, 846 pp.