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The weed control of sunflower is a great challenge for farmers throughout the World. In Hungary, one of the greatest concerns is the pernicious weed Ambrosia artemisiifolia, which produces allergenic pollen. The main goal of this study was to identify cultural, weed-management and environmental factors determining weed species composition and the abundance(More)
Of the Euphorbia dentata aggregate, both E. dentata and E. davidii have been reported from Europe. A revision of herbarium and published materials, however, indicates that only E. davidii can be confirmed in Europe. Although known in Europe since 1968, most records are from the 1990s. There are 46 known populations scattered throughout the continent, in(More)
Traditionally managed village yards have been disappearing from the Central-European countryside. Their lawn flora is likely to provide a unique habitat for many plants that are adapted to this environment. Composition of lawn flora was investigated in differently managed village yards (i.e., regularly mown and regularly trampled yards, poultry yards, paved(More)
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