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  • KURTTO A., SENNIKOV A.N. & LAMPINEN R. (eds) (2018): Atlas Florae Europaeae 17. Distribution of vascular plants in Europe = Rosaceae (Sorbus s. lato). – The Committee for Mapping the Flora of Europe & Societas Biologica Fennica Vanamo, Helsinki, 132 pp.
    106
    Views:
    549

    Sokéves előkészületek után megjelent az európai hajtásos növények elterjedési térképeit bemutató sorozat 17. része. A puszta chorológiai adatok egybegyűjtésén túl a kötet páratlanul alapos taxonómiai és nevezéktani háttérmunkát tükröz...

  • Multiclavula mucida (Basidiomycota) and other cryptogamic taxa in the Hungarian flora
    173–184
    Views:
    888

    The paper deals with the species found during cryptogamic flora mapping in 2023 that are remarkable from a floristic, taxonomic or conservational point of view. We present data from the Bükk Mts of two Trapeliopsis species which appear to be rare in Hungary. Multiclavula mucida, which is ap­parently a rare basidiomycete lichen species in Europe that prefers humid, montane habitats was dis­covered in the Mecsek Mts as a new species for the Hungarian flora. Of the knothole moss, Anacampto­don splachnoides, which is now thought to be entomophilic, we communicate the only extant popula­tion from Southern Transdanubia. We report the first occurrence of the atlantic-mediterranean Lepto­don smithii from the Hungarian side of the Great Hungarian Plain. Numerous data of the corticole Neck­era pennata indicate that in Hungary the distributional centre of this species is situated in the county of Baranya in the lowlands. New data from the Bükk Mts underline that in the Pannonian region Buxbaumia viridis is primarily a terricole species of acidophilous beech forests. We communicate the first occurrence from the lowlands of the alien lignicolous Sematophyllum adnatum which is danger­ous­ly spreading in Europe, at the same time one of the most vigorous populations in the Pannonian region. The third Hungarian occurrence of Callicladium haldanianum, a species that seems to spread in bogs, as well as the second occurrence of Racomitrium lanuginosum, growing abundantly on an ande­site boulder scree in Mátra Mts, are also reported here. Of Phegopteris connectilis we present in photo­graphic docu­mentation the first extant population from Southern Transdanubia, and we discuss whether the first publication from Mecsek Mts is correct or exact. In addition to listing the floristic data, we also briefly discuss the (mis)use of distribution data in the context of climate change, the difficulties of distinguish­ing the microtaxa of some pteridophytes, e.g. Asplenium adiantum-nigrum agg. and Dryop­teris affinis agg., and we correct one of our previously published, erroneous Hedwigia stellata data. Some interest­ing data of other taxa (such as Leucobryum glaucum, Palustriella commutata, Tetraphis pellucida, Gym­nocarpium robertianum, Ophioglossum vulgatum) are also mentioned in the paper.

  • Bruchia flexuosa (Schwägr.) Müll. Hal. a true peculiarity in the Hungarian bryoflora
    193-201
    Views:
    404

    The fifth European occurrence of the moss species Bruchia flexuosa possessing a holarctic distribution range with a North American centre was encountered in Hungary. Outside of the North American continent only two Asian (both from Japan) and four European occurrences from four different countries (Italy, Austria, Slovenia, Croatia) have hitherto been reported. Apart from the recent Japan findings and the Croatian record observed in 1987, all other European records date back to the 19th century. Our paper reports the circumstances of the Hungarian occurrence along with a short descriptions and photographic illustrations of both the species and its habitat.

  • Cyperus odoratus in Hungary
    157–164
    Views:
    646

    Eleven species of the genus Cyperus have been reported from Hungary so far, of which 3 are certainly aliens. A small population of C. odoratus, new for the flora of Hungary, was found along the River Danube near Foktő settlement (Bács-Kiskun County, S Hungary) in late autumn of 2019. On this occasion blooming specimens were observed in the floodplain ruderal vegetation on the bank of a fork of the Danube. This species is widespread in the tropical and subtropical regions of the World, and was first introduced to Europe in the early 1950s.  More recently it has been spreading along certain rivers of Italy and Spain. It was discovered along the river Danube in Romania in the early 1990s, and later at the upper parts of the river in Bulgaria, Croatia and Serbia. Its introduction into Hungary is connected with the Danube, too. Based on foreign experience, it is probable that C. odoratus will be spreading along the Hungarian Danube system, hopefully, not as an invasive species.

  • Distribution of Pseudoleskea saviana (De Not.) Latzel in Hungary
    272–285
    Views:
    380

    Three new localities of the moss species Pseudoleskea saviana (De Not.) Latzel were discovered in the Börzsöny Mts in the administrative district of Perőcsény village, North Hungarian Mountains (Nagy-Hideg-hegy, near Hangyás-bérc, in the col between Csóványos and Magosfa). Small populations were found on shaded andesitic boulders in mixed deciduous forests. Up to the present, only old collections of the species were known from a single locality in the Mátra Mts; therefore, the red list status was data deficient. The morphological distinction of P. saviana from P. incurvata, its closely related congener also reported from Hungary is not always exempt from difficulties. However, the presence (P. saviana) or absence (P. incurvata) of a central strand in the stems, the shape of mid-leaf cells (P. saviana: more elongated, 3–4 times as long as wide; P. incurvata: at most twice as long as wide), as well as the shape of the outer basal cells (P. saviana: quadrate or shortly rectangular; P. incurvata: transversely elongated) seem to be reliable distinctive features.

  • Distribution and infection rate of (Viscum album subsp. austriacum) in Hungary
    89-102
    Views:
    401

    Based on the data collected between 2015 and 2023, we present a detailed account of the occurrences and current distribution of Viscum album subsp. austriacum in Hungary. We present its fre­quency and abundance, and also examine the factors influencing its distribution and prevalence. The taxon is generally widespread in the western half of Western Transdanubia, where it is a characteristic (and partially native) element of the mixed pine forests of the Vendvidék, Felső-Őrség, Kőszeg Hills, and the Pinka Plain. Its occurrence has been confirmed in almost all (older) Scots pine and black pine stands of the Sopron Hills, where it has become a mass pest in several locations. Based on our studies, the current distri­bution of the taxon in Southwestern Transdanubia follows the border of the native distribution of Scots pine, but in the Kemeneshát and the Sopron–Vas Plain, the regional boundary extends 10–25 km beyond it. The frequency of pine mistletoe within the subcompartments was highest in mixed coniferous stands. We also recorded a mass infection that played a significant role in the degradation of the stands. The notable increase in the number of occurrences can be explained by the significant under-mapping of the taxon to date, as well as its documented spread throughout Europe. It is also assumed to be linked to the increasing­ly unfavorable health status of coniferous forests in Hungary. This process may be facilitat­ed by the fact that the resistance of Scots pine forests in both hilly and lowland regions has significantly declined due to the increasing length and frequency of drought periods. Compared to previous years, forest stands in weakened condition are more susceptible to infections by pathogenic organisms, such as mistletoe.

  • Aphanes arvensis L. in the Crisicum (E Hungary) and further data on the flora of Hungary
    253-256
    Views:
    325

    New localities of 4 rare taxa are presented from Eastern Hungary. The species are new for the flora of particular floristical regions, specifically: „Eupannonicum”: Polystichum braunii; „Crisicum”: Aphanes arvensis; „Samicum” and „Nyírségense”: Agrimonia procera. Three new localities of the alien species Montia linearis in Hungary are presented. This species is still very rare in Europe, reported only from Poland, Denmark and Hungary.

  • Escaping of Euphorbia myrsinites from cultivation in Eger (E Hungary)
    253–256
    Views:
    310

    Euphorbia myrsinites L. (Euphorbiaceae) is a well-known ornamental plant with native dis­tribu­tion around the Mediterranean Basin, the Black Sea, the Caucasus region and Minor Asia. Its es­cape from cultivation and its naturalization in Western and Central Europe as well as in North America was reported in many cases. In Hungary, the casual escape of E. myrsinites has been documented more than fifty years ago and new observations were recently reported from different regions of the country. Here, I discuss a new record of the species from the town of Eger (E Hungary). The obtained data allow considering E. myrsinites as a locally naturalized species in the flora of Hungary. According to standard­ized criteria, the species may be able for local invasions too, but further observations are needed to accurately determine its present status in Hungary.

  • Ethnobotanical and cultural significance of Chaerophyllum bulbosum in the Carpathian Basin
    141–159
    Views:
    468

    Tuberous-rooted chervil (Chaerophyllum bulbosum) is one of the iconic plants in the Car­pathian basin regarding ethnobotany. It is considered native to this region and it is known by about one hundred different Hungarian folk names and allophones. We have plenty of historical data about its gathering from the wild from the end of the 16th century, but certainly, it could have been collected much earlier by the people who lived here. In the whole Carpathian basin, mostly its tubers (and rarely the leaves as well) were gathered mainly by children, which were eaten in various forms and dishes, but most frequently raw as salad. Its popularity started to decline by the end of the 19th century, and in the middle of the 20th century, it was regarded as one of the ‘beets out of fashion’, which was slowly disappearing from the diet. From the 21st century, there is only one record about its gathering and consumption from Transylvania. In former times, along with other Chaerophyllum and Anthriscus spe­cies it was recommended to cure scorbute and diarrhoea and as a poultice for ulcers. In the Middle Ages, it was cultivated throughout Eastern and Central Europe, which could have also been true for the Carpathian Basin. Master Roger mentioned this species among the plants of devastated peasant gar­dens (1243, after the Mongol invasion). Thereafter, we have records only from the middle of the 19th century showing the obvious growing of its cultivated variety (called ‘chervil-beet’). However, its cultivation remained quite sporadic, and by the middle of the 20th century, it was already fully neglect­ed. The plant occurred in Hungarian cookery books from the 16th century, especially in Transylvanian gastronomy. The remembrance of its former folk uses retained in Hungarian culture as well, it emerges in several poems and prose.

  • Sándor Polgár and the research of the adventive flora of Hungary
    188–197
    Views:
    412

    In the 20th century Sándor Polgár was one of the most outstanding researchers of adventive plant species in Hungary. He wrote nine publications in this theme. In the industrial environment of his home town Győr (NW Hungary) he found tropical species, most of them were southern-American origin. The richest alien flora came around the oil factories of the town. He reported 65 taxa new for the Hungarian flora, four of them were new for Europe too. He was a great expert of problematic Solanum, Amaranthus and Chenopodium genera.

  • ×Pseudorhiza bruniana in the Harghita Mts (Romania, E Carpathians)
    249–250
    Views:
    294

    The discovery of a single individual of ×Pseudorhiza bruniana (Brügger) P.F.Hunt (Dactylorhiza maculata (L.) Soó × Pseudorchis albida (L.) Á. Löve & D. Löve) in a fen meadow of the Harghita Mts (Romania, East Carpa­thians) is briefly discussed. This is the first record of the nothotaxon in Romania, as well as in Central Europe.

  • The role of clothing in antropochorous seed dispersal
    77-86
    Views:
    318

    Humans play an increasing role in seed dispersal. Through human help, seeds can bridge distances which otherwise would not be possible. The most important human-mediated dispersal types are: the spread on clothing, shoes and vehicles. The effect of these dispersal types can be combined in many cases. During dispersal with clothing, the seeds attach to cloths, but its probability depends on whether the seeds or other parts of the plant have morphological characteristics which make the attachment possible (e.g. hooks, hairs, spikes) and on the adhesion characteristics of the clothing (cotton/nylon, drill/cotton). This way, cloth-dispersal can be considered analogous to epizoochory. In our review, we evaluated the publications about human-mediated seed dispersal on cloths. In total we have found twelve experimental and field studies on the topic. So far, seeds of 449 species have been documented to be able to spread on clothing worldwide, out of the 449 species, 262 occur in Hungary. With future studies, these numbers will be increasing considerably. The average dispersal distance of the seeds was estimated between 150 and 5000 m, but the distance could be significantly increased, if means of transport are used during the dispersion. According to the results, the seeds of weed and invasive plants are dispersed most frequently on clothing (87% of all species, 26% of species occurring in Hungary). These cause serious damage worldwide. We emphasise that people should pay attention to the type of clothing, when they are visiting remote and unique nature reserves. For instance, waterrepellent foot wears could significantly reduce the adhesion of the seeds therefore it can prevent unintended seed dispersal. Further investigations are needed to find solutions to these problems, especially in regions with lack of these studies, such as in Europe, South America, Asia and Africa.

  • Contributions to the flora of Tolna and Baranya counties IV.
    17-33
    Views:
    444

    The authors present the most important floristic data of Tolna and Baranya coun­ties, col­lected together or separately in the last 15 years, or observed by other data providers. In total, occur­rence data of 140 taxa are reported. Most of them are protected species in Hungary, but the list also includes rarer weeds (Ado­nis flammea, Althaea cannabina, Aphanes arvensis, Bunias orientalis, Legousia speculum-veneris, Vicia lutea) and adventive species (Helminthia echioides, Oxybaphus nyctagineus, Rubia tinctorum). Several species of phytogeographical importance were also found in the forest-steppe vegetation of the loess areas studied. Occurrence of Linaria biebersteinii should be highlighted. L. biebersteinii is a very rare species in the Transda­nubian region, and is no longer found in Europe west of this region. The occurrence of Himantoglossum adriaticum is a new contribution to the flora of the southern Transdanubian region.

  • Oak-ash-elm forests in the Nyírség
    179-220
    Views:
    474

    This paper presents phytosociological analyses of oak-ash-elm forests of Nyírség, NE Hungary. These climatically azonal forests grow in habitats where the soil is under the continual influence of the groundwater table, which maintains rather mesic conditions. They are particularly rich in Fagetalia elements (Actaea spicataAllium ursinum, Anemone ranunculoides, Asarum europaeum, Athyrium filix-femina, Cardamine bulbifera, Carex pilosa, Cerastium sylvaticum, Chaerophyllum aromaticum, Corydalis cava, Dryopteris filix-mas, Epipactis helleborine agg., Euphorbia amygdaloides, Galeobdolon luteum, Galium odoratum, Hedera helix, Isopyrum thalictroides, Lathraea squamaria, Lathyrus vernus, Lilium martagon, Majanthemum bifolium, Mercurialis perennis, Milium effusum, Polygonatum multiflorum, Pulmonaria officinalis, Ranunculus cassubicus, Salvia glutinosa, Sanicula europaea, Scilla vindobonensis, Stachys sylvatica, Stellaria holostea etc.) typical in the submontane regions of this part of Europe. It is possible that they are remnants of the vegetation dominating the region under the less continental and more moist climate during the Beech phase (2500–800 BC) of the Holocene.

  • New records of Parmelia submontana (Parmeliaceae, lichenized Ascomycota) in the Mátra Mts, North Hungary
    95–100
    Views:
    47

    So far Parmelia submontane Hale, considered a Mediterranean species of humid montane for­ests, had only four collected specimens from Hungary. A recent revision of a misidentified specimen collected in 1974 proved its existence in the Mátra Mts and further four collections from years 2024 and 2025 confirmed presence of the species here. Our findings are in line with a spreading trend of the species across Europe in last decades and as well as with recent collections from a number of Hungari­an landscapes.

  • Cardamine occulta Hornem. in Hungary, and other stowaways of the ornamental plant trade
    195–214
    Views:
    1228

    During the study of the weed flora of garden centers in Hungary (among 2017–2020), remarkable populations of Cardamine occulta Hornem., a new alien for the Hungarian flora were found. C. occulta was present altogether in 51 of the 53 visited sites. Dominantly the regularly irrigated and continuously moist microhabitats (pots, containers, muddy surfaces of geotextile-covered beds etc.) were colonized. During the revision of our recently collected specimens, deposited in JPU and DE herbaria as Cardamine hirsuta L., further individuals proved to identical with this till overlooked species. One of them (27.08.2004., Heves county: Eger [8088.3; 8188.1], coll. by A. Schmotzer, deposited in DE collection) proved to the third documented occurrence in Europe, comparing to the accessed literature data. Eclipta prostrata (L.) L. and Urtica membranacea Poir. are also new aliens for the Hungarian flora. Several introduced individuals of these taxa were found in containers of imported thermophilous woody ornamentals at 4 and 2 sites, respectively. Tens of individuals of Eclipta prostrata were also found in a sapling-bed at another site. New populations of scarce or rare Euphorbia prostrata Aiton, E. serpens Kunth and Veronica peregrina L. were also documented.

  • Spreading of native Spergularia species along roadsides of Transdanubia (NW Hungary)
    141-150
    Views:
    575

    During the systematic floristic research along Transdanubian roads (NW Hungary) since 2013, two native halophyte Spergularia species has been found. Due to the well known spreading near motorways in Eastern-Central Europe, the appearance of Spergularia marina along roads in north-western Hungary is not a surprise. Occurrences of the species were registered along fourteen main roads. Some of the stands are very rich where S. marina forms single-species lines along the asphalt edge. The spreading of Spergularia media along roads is yet much less intensive. Four stands were found near the motorways M1 and M7, main road 74, and the common section of the main road 86-87. Both species are native in the Hungarian plains, being specific elements of Pannonic alkali grassland associations, however, their secondary migration along road edges is promoted by road salting, intensive management of roads and increased vehicle traffic. In this paper, we specify secondary occurrences of the two Spergularia species, discuss their ecological and abiotic circumstances and publish corresponding distribution maps. Due to recognition problems in Spergularia, a corrected determination key was provided. 

  • Taxiphyllum densifolium (Taxiphyllaceae) and other rare bryophytes of the Mecsek valleys (SW Hungary)
    3-16
    Views:
    457

    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.

  • Recent Hungarian distribution of Potamogeton coloratus
    77–83
    Views:
    586

    The distribution of fen pondweed (Potamogeton coloratus) restricted to Europe where it is one of the rarest and most threatened pondweed species. In Hungary, former data of fen pondweed originated mostly from thermal and karstic springs. Due to intensive bauxite mining activity in the edge of the Transdanubian Mountain Range (NW Hungary) these springs dried up by the end of the 20th century, and it caused the temporal extinction of the species. After the ceasing of mining activity many of the former karstic springs have regenerated and several fen pondweed populations have re-established. In this paper we summarized 18 population data of fen pondweed collected between 1999 and 2016. Many of them were formerly registered in the 19th century too. Most of the new and re-discovered populations were found in karstic springs or in artificial and natural lakes in the vicinity of these springs.

  • Contributions to the lichen-forming and lichenicolous fungi of Hungary
    60–94
    Views:
    58

    The article presents the most interesting data on 12 lichen species and 62 lichenicolous microfungi collected by the author in Hungary in recent years. Among the lichens, Absconditella trivialis and Vezdaea acicularis are reported first time in Hungary. Among the lichenicolous fungi, Dacampia cladoniicola, Libertiella malmedyensis, Lichenohendersonia varians, Microcera physciae, Polycoccum peltigerae, Pronectria dealbans, Pyrenidium actinellum, Stigmidium fuscatae, S. mycobilimbiae, S. squamarinicola, Trichonectria hirta, Xenonectriella physciacearum, and Zyzygomyces physconiae are also new to the country. Of particular significance is the discovery of four new populations of the basidiolichen Lichenomphalia meridionalis, which until now had only been recorded once in Central Europe, in the Transdanubian Mountains. Also noteworthy is the new occurrence of Gyalidea asteriscus, a steppe lichen species associated with open loess surfaces and loess walls, in Gerecse, as well as the discovery of the arctic-alpine to boreal-montane lichen Lecidea berengeriana at two locations in Bükk Mts.

  • Najas gracillima (A. Braun ex Engelmann) Magnus in Hungary
    43-49
    Views:
    347

    Najas gracillima, an introduced species to Europe, naturally occurs in East-Asia and NorthAmerica. It was firstly discovered in Hungary in 2012 in our weed survey of rice fields in the vicinity of Szarvas, Gyomaendrőd and Mezőtúr. Although, it occurred in relatively high abundances in the rice fields along the Körös river its invasion is not expected into new habitats in the near future due to its special habitat preference and gregariousness.

  • Conservational status of Grimmia plagiopodia Hedw. in Hungary
    133-140
    Views:
    223

    Three new localities of the protected and endangered moss species, Grimmia plagiopodia Hedw., were discovered in 2017 in the southern part of Börzsöny Mts (North Hungarian Mountains) at Nagymaros and Kismaros villages. The authors have re-evaluated the threat-status of the species applying the most recent IUCN Red List categories and criteria. According to this, G. plagiopodia can still get the endangered (EN) status in Hungary.

  • Annual Lythrum species in Hungary: revision of the subgenus Hyssopifolia
    64–70
    Views:
    327

    Four ephemeral Lythrum species have been recorded from Hungary so far. Lythrum hyssopifolia is widely distributed in the whole country. Most occurrences of L. tribracteatum are located in southeastern Hungary and alongside the Danube. The Central Asian L. linifolium was reported from a single locality (Tiszaug village, E Hungary) in 1954, which is the only European record of this species. However, we have ascertained that the voucher specimen of this record differs from L. linifolium in some morphological traits, but strongly resembles L. borysthenicum that is distributed in the Mediterranean and steppe regions of eastern Europe. Based on our revision we suggest deleting L. linifolium from both Hungarian and European checklists. The former Hungarian occurrence of L. thesioides is confirmed by vouchers.

  • Rise and fall of Juncus maritimus in the Balaton region
    3-16
    Views:
    326

    The searush (Juncus maritimus Lam.) is a coastal halophyte of Eurasia, with a few isolated interior occurrences in Europe. In the Pannonian Basin, the species was found in the 1920s on the shores of Balaton and Fertő Lakes. In one of its distribution hotspots, the Balaton region, the rapid wetland deterioration calls for an up-to-date assessment of its existing populations. In this study, we document the coenological relations of J. maritimus stands based on recent relevés, assess the state of its popula­tions, and evaluate their vegetation changes between 2015 and 2024. We confirmed the occurrence of J. maritimus in eight localities. The majority of relevés with J. maritimus correspond with the Scorzonero parviflorae-Juncetum gerardii association, sporadically with the Astereto pannonici-Schoenetum nigri­canti. Our phytosociological survey repeated after a decade revealed a lower number of wetland and halophyt­ic specialists, together with J. maritimus, and an expansion of Cladium mariscus and Solidago gigantea. The fragmented salt marshes and fen meadows where searush occurs are more threatened than the species itself, thanks to its ability to establish on new sites. Nevertheless, the po­tential habitats are con­stantly diminishing by construction, massive tourism development and second­ary succession. Moreover, increasing droughts in recent years have even more accelerated the desicca­tion of wet habi­tats.

  • Asparagus verticillatus L. in Hungary
    38-43
    Views:
    443

    Climbing asparagus (Asparagus verticillatus L.) a new adventive species to the Hungarian flora was recently discovered in the city of Pécs (South Hungary) in 2011–2012. Taxonomy, morphological description and current localities of the species are presented in this paper. A. verticillatus is a mediterranean-submediterranean species native in Balkan Peninsula, Eastern Europe, Western- and Middle Asia. The species is a popular ornamental plant in Hungary, but no data was available about its escape or naturalisation in the country so far. Herbarium specimens from Hungary were collected so far mostly from botanical and private gardens; only one specimen was collected in a dry grassland along a roadside in the city, respectively. The newly discovered small populations are located mostly in secondary dry grasslands, at the edges of vineyards and private gardens on the southern slopes of the Mecsek Mts and only one specimen was found far from the residential area in natural vegetation. Because climbing asparagus is a frequently planted ornamental plant in several locations of Pécs, further escape, naturalisation and persistence of the species is possible in the future.