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• Fern (Pteridopsida) flora of South Nyírség (East Hungary)

  162–182

  László Demeter

  Views:

  479

  The study presents a number of new data on the fern flora of South Nyírség, and reviews all available literature and herbarium fern records from the area. A total of 19 Pteridopsida species were detected in the region. The hart's tongue fern (Asplenium scolopendrium) and the soft shield fern (Polystichum setiferum) were hitherto unknown in the whole Nyírség region (flora district “Nyírségense”). The broad buckler-fern (Dryopteris dilatata), scaly male fern (Dryopteris affinis) and floating fern (Salvinia natans) are new records to the area of South Nyírség. Dryopteris dilatata has been found in a surprisingly great number of localities. Some morphological characters facilitating identification of this species are also discussed. The local pine plantations, fens, carrs and humid deciduous forests are important habitats for ferns. In some localities the co-occurrence of 5-6 fern species were observed. The increasing aridity in the last decade is posing a serious threat to ferns in the area.

• Occurrences of Dryopteris borreri and other additions to the fern (Pteridopsida) flora of the Southern Nyírség (E Hungary)

  177–186

  László Demeter

  Views:

  106

  The study reports 26 new occurrences of Dryopteris borreri (Newman) Oberh. & Tavel, a member of the Dryopteris affinis group, from the Southern Nyírség region (eastern Hungary) and a few additional records from other regions. Some morphological characteristics are also discussed that facilitate field identification. Most of the specimens were found in pine plantations, but they also occurred in oak, poplar, and black locust stands. The species was frequently associated with D. filix-mas and often grew on anthropogenically disturbed soils. In addition, new chorological records are provided for several other fern species, including Gymnocarpium dryopteris, Polystichum aculeatum, P. setiferum, Asplenium adiantum-nigrum, and Cystopteris fragilis.

• Occurrence of ferns in secondary habitats of the Great Hungarian Plain

  3–14

  Kristóf Süveges

  Zoltán Bátori

  Views:

  573

  In this study we report the occurrence data of 14 fern species from the area of the Danube–Tisza Interfluve and the Tiszántúl (Great Hungarian Plain). All data have been collected from sec­ondary habitats, such as buildings and man-made structures, pine plantations and canals. We pre­sent new data on seven protected and one alien fern species (Azolla filiculoides). Seven and six species were found together on the brick walls of old buildings near the railway stations in Bácsalmás and Baja, respectively. The new occurrences of Gymnocarpium robertianum, Pteridium aquilinum, Asplenium adiantum-nigrum and Polypodium vulgare have great importance from a floristic point of view. The latter two species were recorded both in pine plantations and on brick walls.

• Botrychium lunaria in the Mecsek Mts

  91-92

  János Csiky

  Views:

  376

  A single individual of Botrychium lunaria (L.) Sw. was found in a shady dolomite rocky grassland above the city of Pécs in the Mecsek Mts., on 1 June 2020. The habitat of this fern, which is new to the flora of the Mecsek Mts., is presented by a phytosociological relevé.

• Contributions to the flora of Budapest and its surroundings IV.

  27–40

  Lajos Somlyay

  Miklós Csábi

  Views:

  504

  New or recently confirmed localities of more than 50 rare or poorly known taxa (including 10 ferns) are presented from the territory of Budapest and adjacent territories. Some of those records are new for the spontaneous flora of particular territories, specifically: Anthericum liliago (Szentendre Island), Artemisia alba (Tétény Highland), Cerastium lucorum (Buda Mts, Börzsöny), Epipactis albensis (Budapest, Pilis), E. futakii (Börzsöny), E. moravica (Börzsöny, Visegrád Mts), Hippophae rhamnoides (Szentendre Island), Myosotis discolor (Börzsöny). The new localities of Cnidium dubium, Platanthera chlorantha, Spiranthes spiralis, Sternbergia colchiciflora, Veronica jacquinii and Viola stagnina are also noteworthy. Some species are discussed in more detail in relation to their former Hungarian literature records.

• Asplenium ceterach s.str. and Polystichum aculeatum on the ruins of the copy of Eger Castle, in the Pilis Mts

  93-94

  János Csiky

  János Csiky jun.

  Máté Kornokovics

  András Telek

  Júlia Telek

  Views:

  330

  In the company of a single individual of Asplenium trichomanes L., several individuals of Asplenium ruta-muraria (L.) Hoffm. and a single individual of Dryopteris filix-mas (L.) Schott, 15 individuals of Asplenium ceterach L. (s.str.), and a single individual of Polystichum aculeatum (L.) Roth were found on a NW facing mortared sandstone wall of the copy of Eger Castle in the Pilis Mts. Asplenium ceterach s.str. is new to the flora of the Pilis Mts. The source population of this stand is probably located in the Buda Mts (Remete gorge) and this fern may have appeared on this wall 5–10 years ago at the latest.