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Contributions to the flora of Budapest and its surroundings II.
33–50Views:449New and recently confirmed localities of 52 rare taxa (including 26 orchids) are presented from the vicinity of Budapest. Epipactis peitzii is a new species for the Hungarian flora; it has been recorded in the Buda and Pilis Mts. This species and its closest relatives (E. leptochila group) are briefly discussed. Other records are new for the flora of particular regions, specifically: Buda Mts: Corydalis intermedia, Epipactis leptochila, Epipactis muelleri; Pilis Mts: Anacamptis coriophora, Epipactis neglecta, E. tallosii, Valerianella pumila; Visegrád Mts: Epipactis futakii, E. leptochila, E. muelleri, E. neglecta, Ophrys apifera, O. holubyana.
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Epipactis pseudopurpurata Mered’a, a new orchid species for the Hungarian flora
27–32Views:248A small population of Epipactis pseudopurpurata new to the flora of Hungary was found in the Buda Mts, near Telki village (Pest county). The main diagnostic features of this species are discussed, and a comparison with the allied species, E. purpurata is provided.
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Data on the native vascular plant species of the Pannonian Region II. (6–22)
233–252Views:671In the second part of this article series, which provides data contributing to the knowledge of native plant species of the Pannonian Ecoregion, we address rare species – mostly legally protected in Hungary – belonging to the families Cephaloziaceae, Athyriaceae, Dryopteridaceae, Cystopteridaceae, Thelypteridaceae, Brassicaceae, Rosaceae, Elatinaceae, Apiaceae, Orobanchaceae, Liliaceae, and Orchidaceae. We report the current occurrence of Nowellia curvifolia in the Sub-Pannonian region of Slovenia. We present an exceptionally species-rich habitat for ferns (Athyrium filix-femina, Dryopteris carthusiana, D. dilatata, D. filix-mas, Gymnocarpium dryopteris, Polystichum aculeatum) from the ‘Borsodi ártér’ microregion. We provide data on the stands of Thelypteris palustris observed along the main irrigation canals of ‘Tiszántúl’ region. We publish new occurrence records contributing to the Hungarian distribution of Aethionema saxatile, Crataegus nigra, Elatine hungarica, Sium sisarum, Orobanche hederae, Himantoglossum adriaticum, Epipactis placentina, E. exilis, E. pseudopurpurata, and E. microphylla, as well as to the appearance of Helosciadium repens in urbanized environment. Gagea spathacea and G. bohemica are newly recorded for the Zemplén Mts; Epipactis nordeniorum and Epipogium aphyllum are new for the flora of the Mátra Mts; and Himantoglossum calcaratum is newly recorded for Hungary. We also present spontaneous establishment of several orchid species in the courtyard of a secondary school in Veszprém. Additionally, we report on the pollinating insects observed on the flowers of Sternbergia colchiciflora. Two previously misreported records are also corrected.
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A new, remarkable population of Epipactis placentina found near Parádsasvár village (Mátra Mts, NE Hungary)
247–248Views:424The present paper surveyes the Hungarian records of Epipactis placentina Bongiorni & Grünanger, which is the rarest Epipactis species in Hungary. Currently, E. placentina is known only at Parádsasvár village in the country. This population (ca. 40 generative individuals) was found in 2019, in an old beech forest, in northern exposition.
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New Epipactis species in the flora of the Vértes Mts
104-105Views:339Here, I report Epipactis occurrences new to the flora of the Vértes Mts (Transdanubian Mts, north-western Hungary). In 2020, new populations of Epipactis pontica Taubenheim, E. moravica Batoušek and E. pseudopurpurata Mered’a were found in old mesic beech and mixed beech forests.
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Orchids of poplar plantations – a review
102–117Views:726578There are literature data on the occurrence of 26 orchid species and 2 hybrids in economic poplar plantations from 13 European countries. The occurrence of 4 additional species in poplar plantations in 3 countries is proved by sources on the World Wide Web. The most widespread orchids in the poplar plantations are the rhizomatous, partial myco-heterotroph Cephalanthera and Epipactis species. Their importance is enhanced by the fact that most of the known populations of some species with a relatively narrow distribution range (Epipactis bugacensis, E. campeadorii, E. fibri, E. tallosii, E. zaupolensis) are known in poplar plantations. Cultivated poplar monocultures are likely to provide habitat for further orchids in other countries too. Most of the published papers are limited to floristic data from a single or a few plantations. Longer-term observations are only available from Poland, thanks to the work of W. Adamowski, and these suggest that populations may persist for decades and even increase dynamically. The size of orchid populations in some cases can reach thousands or even hundreds of thousands of individuals. Orchids can appear earliest in (4–)7–8 years old plantations. Very little is known about how the cultivation, structure, soil conditions and the poplar cultivars influence the presence of orchids. Mycorrhizal interactions of poplars and orchids may play a key role in this process, but the available knowledge is very limited. Furthermore, little is known about how the economic use of plantations can be reconciled with the long-term maintenance of orchid populations.
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Contributions to the flora of Budapest and its surroundings IV.
27–40Views:614New 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.