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July 2009 - present
Publications
Publications (51)
This paper supplies new data on the occurrence of eight vascular plants ( Carpesium abrotanoides, Guizotia abyssinica, Gypsophila fastigiata, Heliotropium supinum, Hermodactylus tuberosus, Polycarpon tetraphyllum, Pseudognaphalium luteoalbum, Reynoutria sachalinensis ), three bryophytes ( Corsinia coriandrina, Cryphaea heteromalla, Leptodon smithii...
The flora of six islets of the Medulin Archipelago (Bodulaš, Ceja, Fenera, Fenoliga, Šekovac, Trumbaja) in southern Istria was explored in 2014 and 2021. Altogether, 214 taxa belonging to 50 families were recorded. As expected, the families most represented were Poaceae and Fabaceae, the most common chorotypes were the Mediterranean floral element...
Elodea canadensis Michx. (common waterweed) and Elodea nuttallii (Planch.) H. St. John (Nuttall’s waterweed), two invasive aquatic plants from North America, have coexisted in European water bodies since the early 20th century. New localities for both species in Croatia continued to be discovered during a study that ran from 2016 to 2023 as a part...
Bryophyte flora of the Significant Landscape Lower ”Kamenjak and Medulin Archipelago” in Istria (western Croatia) was studied from 2019 to 2021. The study resulted in a list of 14 liverwort and 60 moss taxa. Tortula pallida, Bryum gemmilucens, Microbryum davallianum var. conicum and Microbryum muticum are new national records. The prevalence of Med...
Notorious invasive Bohemian knotweed Reynoutria × bohemica Chrtek et Chrtková is a hybrid of two species, Reynoutria japonica Houtt. and Reynoutria sachalinensis (F. S. Petrop.) Nakai in T. Mori which spontaneously developed in Europe, outside the natural distribution of its parental species. Its success could potentially lie in its allelopathic ac...
A comprehensive survey of Croatian watercourses covering the whole of the national territory and investigating inherent watercourse heterogeneity was conducted to explore the ecological responses of the most frequent freshwater bryophytes with respect to water chemistry variables and land use within the catchment area. Direct multivariate ordinatio...
While working on several projects dealing with the flora of Neretva River delta in south Croatia, interesting floristic discoveries were made. During fieldtrips, freshwater habitats (rivers, channels and lakes) were in the focus of the survey, and were studied in detail both from the boat and from the mainland. Altogether 69 plant taxa were recorde...
Croatian records of the critically endangered Anthemis tomentosa are very scarce. One population was known, from southernmost Istria, within the Significant Landscape Lower Kamenjak and Medulin Archipelago. First records from the 19 th century were regarded as dubious, but the species was finally confirmed on Rt Franina (surroundings of Premantura)...
A comprehensive field survey of 527 sites on 293 watercourses across Croatia revealed 76 sites (14.42%) in which bryophytes were the dominant part of the macrophyte vegetation. Using classification and ordination analyses, we obtained five community types segregated across the gradients of several climatic, physiographic and water chemistry paramet...
An extensive macrophyte field survey of running and standing waters was conducted from 2016 to 2021 at 786 sampling sites across Croatia as a part of the implementation of the Water Framework Directive. This survey is the first to present a comprehensive floristic catalogue of the freshwater bryoflora, along with an analysis of the distribution and...
The flora of the island of Zlarin was studied in 2019 and mapped using the Central European grid (MTB fields), the area studied consisting of nine MTB 1/64 fields. Altogether 576 vascular plant taxa (532 species and 44 subspecies) were identified, out of which there were 126 newly recorded, 450 previously recorded and confirmed, while 153 taxa from...
Invasive alien species Ludwigia peploides, Reynoutria sachalinensis and Nicotiana glauca, currently registered in Croatia with small number of records, were found during fieldwork undertaken mostly through the national monitoring of waters from 2018 to 2020. Ludwigia peploides was previously recorded only once in the River Ilova, the existing data...
A new site for stonewort Chara kokeilii A.Braun was recorded in a Mediterranean shallow lake Prološko Blato Retention, Croatia, SE Europe. The species was associated with the vegetation alliance Potamogetonion graminei Westhoff & Den Held. This record has been compared with four other sites (Albania, Bulgaria, Greece and Montenegro) from which the...
First record of terrestrial green alga Trentepohlia aurea for Croatia has been documented in 1890 in the area of the Krka River, remaining the only record of this globally widespread species until now. During the studies within the course of different projects dealing with aquatic vegetation, the species was finally documented in Plitvice Lakes, Go...
In Croatia, Cypripedium calceolus L. is an orchid species that is endangered and strictly protected. Most of the findings in Croatia have been made in Mt. Velebit and the Lika region: however, most of the recorded findings are very old, and have not been confirmed in recent times. This paper presents a detailed analysis of all published records of...
Polysiphonia subtilissima is originally a marine macroalga with a wide tolerance for salinity and therefore present on nearly all the coastlines of the planet. However, the transition of P. subtilissima toward freshwater ecosystems has been noticed worldwide, with numerous authors recording oligohaline and intertidal populations of notable size, al...
Eight new localities of the rare, strictly protected macrophyte Vallisneria spiralis have been recorded during a comprehensive survey of water bodies in Croatia. One record is located in the Mediterranean Region, in Butoniga Reservoir, while the remaining records are from the Continental Region, the majority of them situated along the Kupa River. V...
This paper summarises all available data on the flora of freshwater rhodophytes in Croatia, comprising 18 species from 13 genera—Audouinella, Bangia, Batrachospermum, Chroodactylon, Compsopogon, Hildenbrandia, Lemanea, Paralemanea, Pneophyllum, Polysiphonia, Porphyridium, Sirodotia and Thorea. Presented data are mostly a result of a comprehensive s...
Ephemeral bryophytes are short-lived species that can germinate and finish their whole life cycle within a brief period when favourable conditions occur. A significant number of these specialist species are associated with moist and fine-textured substrata of the margins of lakes, reservoirs and rivers, also known as drawdown zones. Our study of th...
Hornworts are globally the least diverse bryophyte group with respect to species number, with only eight species known from Europe. As for Croatia, only two species are listed in the available literature, with most recent record being more than 85 years old. Our study carried out in Central Croatia identified three new species for the hornwort flor...
Summarised checklist of 18 Rhodophyte species in 13 genera
(Audouinella, Bangia, Batrachospermum, Chroodactylon,
Compsopogon, Hildenbrandia, Lemanea, Paralemanea, Pneophyllum,
Polysiphonia, Porphyridium, Sirodotia and Thorea) collected in
freshwaters of Croatia is presented.
This paper reports for the first time the occurrence of Thorea hispida (Thore) Desvaux gametophyte stage as epizoic growth on aquatic gastropods, and also reports a new locality of T. hispida in Croatia and SE Europe. This is the second record for Croatia but first in which a population together with its microdiagnostic features is fully described....
Within the course of a recent, extensive bryophyte survey across the whole country, eight moss taxa have been recorded for the first time in Croatia: Conardia compacta (Drumm. ex Müll. Hal.) H. Rob., Cynodontium tenellum (Schimp.) Limpr., Dichodontium flavescens (Dicks.) Lindb., Fissidens fontanus (Bach. Pyl.) Steud., Orthotrichum philibertii Ventu...
Groenlandia densa is globally a widely distributed species; it has been recorded in the majority of the countries of the Western Balkans. However, the knowledge on its extant distribution in this particular area is limited and even controversial. In order to address this issue by tracking changes in species distribution over time and elucidating it...
Knotweeds were introduced into Europe in the 19 th century and soon after became aggressive invaders. While R. japonica and R. sachalinensis arrived from Asia, their hybrid Reynoutria × bohemica is believed to originate from the introduced range. Revised material shows that R. × bohemica has occurred in Europe since at least 1872, but was frequentl...
Alegro, A., Šegota, V., Vuković, N. & Papp, B. 2018. Myurella sibirica in Croatia, new record for southeastern Europe. – Herzogia 31: 782–790.
This paper reports the occurrence of the freshwater brown alga Heribaudiella fluviatilis (Areschoug) Svedelius in four new localities in southeastern Europe, as well as the first records for Croatia. Additionally, we report here a new type of substrate for H. fluviatilis, on stones in karstic rivers characterized by tufa formations. Despite a gener...
Egeria densa is a South American aquatic plant species considered highly invasive outside of its original range, especially in temperate and warm climates and artificially heated waters in colder regions. We report the first occurrence and the spread of E. densa in Southeast Europe, along with physicochemical and phytosociological characteristics o...
The monitoring of macrophytes in Croatian freshwaters, conducted during the period 2009-2017, resulted with the large amount of new data of the occurrence, composition and abundance of water vegetation. It also provided a systematic insight into the poorly studied groups, among which freshwater macroalgae can be highlighted. In addition, for the fi...
The aim of the study was to confirm the hybridogenous status of several populations of putative Serapias × todaroi along the eastern Adriatic coast, and identify the most useful morphological traits for recognizing the hybrid in the wild. We have performed a karyological study, and compared the morphology of the hybrids with the assumed parental sp...
A small population of the circumholoarctic species Glaux maritima L. (Primulaceae) was discovered in the Mediterranean part of Croatia, on the bank of the River Zrmanja. This is the first record of G . maritima in SE Europe, and the third record in the Mediterranean, apart from in Spain and the Asian part of Turkey. It was found on the open riverba...
Sternbergia colchiciflora is a rare species in Croatia, estimated as data deficient (DD), and therefore every new finding represents a valuable contribution to the knowledge of its distribution, with implications for its conservation status in the future. In this paper we describe newly found localities, and provide observations on its current dist...
Two new sites with benthic freshwater alga Hydrurus foetidus (Villars) Trevisan have been discovered in Dinaric Ecoregion of Croatia. The sites are located in two karst watercourses: Kupa River and Slušnica River. Both sites are non-shadowed aquatic habitats, with developed vegetation characteristic for clear, running waters. The alga was found dur...
Corrigiola litoralis is the only member of the genus in the Croatian flora. Most available dataare more than 50 years old, and include only four localities in Croatia, exclusively in the islands of the Mediterranean region. During a floristic survey of the island of Molat (Northern Dalmatia) we recorded a small population in Zapuntelsko polje, in a...
Damasonium polyspermum Coss. occurs only in the Mediterranean, and is relatively rare across the whole distributional range. It grows in shallow standing water bodies with significant fluctuations of the water level, and it is considered characteristic for Mediterranean temporary ponds, which are rare and endangered habitats. According to IUCN, D....
Background and Purpose: Biological invasions are considered among the main factors of global changes and the identification of future invaders may help in taking effective steps to prevent their dispersal and/or establish-ment. For some Australian Acacia species, especially Acacia dealbata Link, an invasive status has been already described in some...
Background and Purpose: Biological invasions are causing serious problems in the environment, often resulting in significant modifications of the landscape structure and ecosystem functioning. J.P. Grime's theory on CSR strategies of plants indicate whether plant species is a good competitor, adapted to disturbance or to limited resources. The goal...
Today, vegetation of a given area may be strongly influenced by human-driven introduction of alien species. Biological invasions are considered among the main factors of global changes (Mooney & Hobbs 2000) and the identification of future invaders may help in taking effective steps to prevent their disperasal and/or establishment (Mack et al. 2000...
The presence of the least adder's tongue (Ophioglossum lusitanicum) in Croatia is sparsely documented in scientific literature, with only a few records to date. After findings from the 19th century, the species was not confirmed in the field for a whole century, and was consequently considered extinct in the Croatian flora. It has been recently con...
A floristic study of Jarun Recreational and Sports Centre in Zagreb was conducted during the vegetation season of 2006 and partially in 2008. In total, 323 plant taxa from 70 families are presented in the list, out of which 156 are newly found, while the presence of 49 previously reported taxa was not confirmed. The most abundant family is Poaceae...
The orchid Ophrys speculum Link is widely distributed in the Mediterranean.
Since its inclusion in the checklist of Croatian flora, the species has not been confirmed in
the field, but has recently been found on Cape (rt) Kamenjak, southern Istria. Afew plants
were growing within garrigue vegetation of Cisto-Ericetalia.
Orchid diversity of the cape of Kamenjak (Istria, Croatia)
Twentytwo taxa have been recorded in the south of Istrian peninsula (north Adriatic coast, Croatia). The research was performed in the period 2003-2004. A great majority of taxa belong to Euri-Mediterranean (seven taxa, 41.18%) and Steno-Mediterranean (six taxa, 35.29%) floral elements. Eur...
In this paper we have analysed invasive flora of Medvednica Nature Park, Croatia with respect to their origins, life forms, systematic positions, types of seed dispersal, Ellenberg indicator values and spatial distributions using MTB 1/64 grid units for analyses. A total of 27 invasive plant species, belonging to 14 families, were recorded with Ast...
