L. Lőkös szerk.: Studia Botanica Hungarica 27-28. 1996-97 (Budapest, 1978)

Penksza, Károly, Salamon, Gábor, Káder, Ferenc, Kapocsi, Judit, Gyalus, Boglárka; Kemény, Gabriella: Floristical and coenological data to the western territory of Körös-Maros region I.

Studia bot. hung. 27-28, pp. 123-130, 1996-97(1998) FLORISTICAL AND COENOLOGICAL DATA TO THE WESTERN TERRITORY OF THE KÖRÖS-MAROS REGION I. 1 2 1 K. PENKSZA , G. SALAMON , F. KÁDER J. KAPOCSI

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, B. GYALUS

1 and G. KEMÉNY

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Dept. of Botany and Plant Physiology, Agricultural University H-2103 Gödöllő, Páter K. u. 1, Hungary Aggtelek National Park H-3758 Jósvafő, Tengerszem oldal 1, Pf. 6, Hungary " Körös-Maros National Park H-5540 Szarvas, Anna-liget, Pf. 72, Hungary In the Körös-Maros Region 24 areas were investigated. The following species are new floristical records in the areas along the River Tisza and east to it: Festuca heterophylla Lam., Agrostis vinealis Salisb., Cerastium subtetrandrum (Lange) Murb. This publication contains data on the distribution and literature about the following Trifolium species: Trifolium micranthum Viv., Trifolium ornithopodioides (L.) Sm., Trifolium subterraneum L. Rediscovered habitat of Trifolium subterraneum is also mentioned. Presently one new known presence of Lythrum tribracteatum Salzm. in the territory east of the River Tisza completed with coenological samples are described. Key words: floristical data, Trifolium subterraneum INTRODUCTION On behalf of the Nature Conservation Directorate of Körös-Maros Region floristical and coenological data were collected on the western part of their territory. During the fieldwork we tried to collect the complete flora list of the confinable areas, and coenological relevés were made to describe the associations found. From these observations the most interesting data are published in this paper. The first botanical survey of the territory was done by Kitaibel (GOMBOCZ 1945). Floristical records are presented by HALÁSZ (1889) and BORBÁS (1880a, b, 1881, 1883, 1891). Besides the writing of the flora of the county Békés (BORBÁS 1881). The flora of Tótkomlós was written by JANKÓ (1886) in which 350 species were mentioned. Since he does not consider his work complete this is why the plants are assorted according to the following main habitat types: a streamlet, called Száraz-ér, fields and meadows, plough-lands and stubble-fields, edge of vineyards and banks of ditch, alkaline areas, and the surroundings of roads. Floristical survey was made by THAISZ (1903) in the county Csanád, in