J6 - Riverine oak-elm-ash woodlands:
84% of its area is endangered by plant invasion. All studied alien species can occur in this habitat. Green ash (Fraxinus pennsylvanica) and black locust (Robinia pseudoacacia) are the most important of them, but false indigo (Amorpha fruticosa), a boxelder (Acer negundo) and goldenrod species (Solidago spp.) are also frequently occur.
Botta-Dukát Z. (2008): Invasion of alien species to Hungarian (semi-)natural habitats Acta Botanica Hungarica 50(Suppl.): 219-227. >>> letöltés (139 KB, PDF)