The species richness and biodiversity of vegetation in Hungary are increasingly threatened by invasive plant brought from other continents foreign ecosystems. These have spread aggressively the natural semi-natural habitats Europe. Common milkweed (Asclepias syriaca) is one that pose greatest ecological menace. Therefore, primary purpose present study to map monitor common milkweed, most Furthe...

While some research has been conducted in sub–Saharan Africa on the alien invasive Parthenium hysterophorus, little work assessed whether it is poses negative impact native forages. A field survey was carried out to study dominant co–existing plant species, and its abundance, forage cover. We found that non–natives were plants with P. hysterophorus compared natives. Plant species (r = -0.889, P...