Our primary focus was to assess the tolerance of local broad-leaved species such as Acer platanoides and Quercus cerris to the effect of aqueous extracts of Ailanthus altissima. This type of assessment has been chosen because of the increasingly developing species that visibly colonize a wide range ...

Ashleaf Maple (Acer negundo L.) was first introduced in Latvia and Lithuania at the beginning of the 19th century. It is the most widely distributed alien maple species to be found in the parks and greeneries of Riga and Kaunas. In recent decades, the spread and invasion of this species has been...

The current list of invasive and potentially invasive alien vascular plants in Bulgaria comprises 60 species. The selection of the taxa is not a result of strict criteria-based approach but it is based on the available literature data and field observations taking into account the current...