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Akademický článek
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Publikováno v:
Genetic Resources and Crop Evolution. 67:163-176
Anthoxanthum aristatumBoiss. is native to southern and western Europe and North Africa. In Central Europe this species is recognized as invasive. Its ability to colonize various habitats may result from a high level of polymorphic isozyme loci and hi
Publikováno v:
Biodiversity: Research and Conservation, Vol 55, Iss 1, Pp 7-14 (2019)
Hypericum majus (A. Gray) Britton is an alien species for Europe. It originates from North America and, in recent years, has been spreading in Europe. Presently, this species is found in Germany, France, Italy, Bosnia and Herzegovina, and Belarus. In
Publikováno v:
Review of Palaeobotany and Palynology. 252:77-85
Primary and secondary ornamentation of spores of ferns of the family Ophioglossaceae are important characters, used in the taxonomy of this group. Considering the small number of published data on those characters in the Ophioglossaceae from Central
Publikováno v:
Biodiversity: Research and Conservation, Vol 48, Iss 1, Pp 25-47 (2017)
The paper considers current ranges, population dynamics, habitats, threats and conservation measures of Ophioglossaceae of the Ukrainian flora. Only one specimen of Botrychium simplex was discovered in herbarium at the begining of the 19th century. T
Akademický článek
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Publikováno v:
Biodiversity: Research and Conservation, Vol 46, Iss 1, Pp 35-55 (2017)
The list of alien vascular plant species only temporarily occurring in Wielkopolska refers to the previously published list of native and permanently established plants. Together, these two lists document the vascular flora of this region at the begi
Autor:
Z. Celka, Piotr Szkudlarz
Publikováno v:
Biodiversity: Research and Conservation, Vol 44, Iss 1, Pp 1-9 (2016)
Eight Hypericum species are native to Poland: H. elegans Stephan ex Willd., H. hirsutum L., H. humifusum L., H. maculatum Crantz, H. montanum L., H. perforatum L., H. pulchrum L., and H. tetrapterum Fr. Only seeds of H. elegans were investigated in d
Autor:
Ivan Parnikoza, Z. Celka
Publikováno v:
Biodiversity: Research and Conservation, Vol 43, Iss 1, Pp 7-12 (2016)
The work presents the results of herbarium survey that resulted in finding Botrychium simplex E. Hitchc. – a new for the native Ukrainian flora species of the family Ophioglossaceae. A specimen of this taxon was found in the National Herbarium of U
Autor:
Natalia Olejnik, Z. Celka
Publikováno v:
American Fern Journal. 105:199-210
The family Ophioglossaceae is one of the oldest fern lineages, characterized by a specific sporophyte structure where each leaf is divided into a fertile (sporophore) and a sterile (trophophore) segment. The aims of this study were to analyze: (1) th