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• Bryofloristial studies in an abandoned alumina refinery near Almásfüzitő, NW Hungary (a case study)

  206-212

  Péter Szűcs

  Views:

  126

  Based on data collected during field surveys between 2012–2014, the author presents the results of bryofloristical studies carried out in an abandoned alumina refinery. The author has detected altogether 46 bryophytes from the territory, of which 15 species are new to the bryoflora of the settlement. In the surroundings of the industrial zone (where alumina production was carried out until 1997) some bryophytes, which are classified as least concern (Brachythecium albicans, Brachythecium tommasinii, Rhynchostegium murale) and near threatened status in the Hungarian Red List (Aloina aloides, Brachythecium glareosum, Dicranella staphylina, Didymodon insulanus, Orthotrichum pumilum), can be found.

• Data to the flora of Hungary I.

  254-259

  Dániel Kovács

  Views:

  80

  The paper gives new floristic data from several regions of Hungary. Some of them are recent evidences of old data (e.g. Herniaria incana in Pomáz), others are new occurrences of recently expanding alien species (e.g. Eleusine indica, Geranium purpureum, Typha laxmannii), casual species (e.g. Lobularia maritima, Nepeta racemosa) or legally protected taxa (e.g. Agrostemma githago, Ornithogalum brevistylum, Ranunculus illyricus, Sonchus palustris).

• Taxiphyllum densifolium (Taxiphyllaceae) and other rare bryophytes of the Mecsek valleys (SW Hungary)

  3-16

  János Csiky

  Attila Sipos

  Views:

  159

  In this paper, we deal with threatened and/or legally protected bryophytes found in the shady, forested valleys of the Mecsek Mountains, which are rare in national and/or local terms. Taxip­hyllum den­sifolium, a rare moss in Europe has stable colonies with sporophytes in two valleys. This study is the first to describe the spore characteristics of this species. The previously considered unique and legally pro­tected Rhynchostegiella teneriffae is nowadays so widespread in the Mecsek that it can no longer be consi­dered a vulnerable species (VU) in Hungary. We present the first population of the legally pro­tected Nec­kera pennata in Tolna county, and we also report on the recent, unusual occurren­ce of the data-deficient (DD) Fossombronia wondraczekii. We also list new populations of three other endangered (EN) species, Blindiadelphus recurvatus, Palustriella commutata and Porella arboris-vitae. Several vulnerable (VU) taxa such as Blepharostoma trichophyllum, Porella cordaeana, Sciuro-hypnum flotowianum, Seligeria pusilla, as well as new occurrences of near threatened (NT) mosses such as Mic­roeurhynchium pumilum (with sporophytes), Phaeoceros carolinianus are documented. In addition, the data on Rhynchostegium rotundi­folium in Jakab Mountain, which has not been recorded for more than 50 years, is confirmed. The difficul­ties of differentiating Hygroamblystegium species are briefly discus­sed.

• Literature reviews

  109-110

  László Papp

  Views:

  187

  Bartha D. (szerk.) (2019): Vörös Lista – Magyarország fa- és cserjefajai. Soproni Egyetemi Kiadó, Sopron, 59 pp. ISBN 978-963-334-328-9

  Bartha D. (szerk.) (2020): Fekete Lista. Magyarország inváziós fa- és cserjefajai. ● Szürke Lista. Magyarország potenciálisan inváziós fa- és cserjefajai. Soproni Egyetemi Kiadó, Sopron, 84 pp. ISBN 978-963-334-357-9

• The Sea milkwort (Glaux maritima) in the Carpathian Basin

  10-20

  Gábor Lendvai

  Views:

  336

  Sea milkwort (Glaux maritima L.) is a broadly distributed species in the northern hemi­sphere, inhabiting primarily maritime habitats from the arctic to the temperate zones. It is also found inland in semi-arid and arid regions with saline soils. Its status in the Carpathian Basin has become very uncertain owing to the lack of known extant populations. To evaluate its current status, I review all known occurrences within the Carpathian Basin where this species has been recorded or collected, and report five new localities of the species in Hungary, all in the western part of the Great Hungarian Plain. I also analyze habitat relationships of the species using traditional phytosociological relevés. Review of species distribution data in the Carpathian Basin revealed that sea milkwort has undergone severe reduction in population number and disappeared from many localities. Currently, only a few populations can be found in this region: the Northern Carpathians in Slovakia and the western part of the Great Plain in Hungary. In Transylvania (Romania), only a single population has been reported recently suggesting the critical status of the species there. Features of the habitats confirm the halophytic nature of the species and its fidelity to wet saline meadows. Its common accompanying species are mostly broadly distributed, salt-tolerant plants. Heterogeneity of the samples in species composition suggests that sea milkwort is not a habitat-specialist species. Several of its common associates in Hungary are also found in sea milkwort habitats in Mongolia, Asia and Utah, North America. Based on the available evidence, sea milkwort shall be considered a severely threatened plant in the Carpathian Basin. Characteristics of the vegetation in its habitats do not explain its occurrence in mountainous environments.