J3 Plant invasion in riverine willow shrub

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J3 - Riverine willow shrub:

29% of its area is endangered by plant invasion. In the tree layer boxelder (Acer negundo) and green ash (Fraxinus pennsylvanica), in the shrub layer false indigo (Amorpha fruticosa), in the herb layer goldenrod species (Solidago spp.) most dangerous invaders. Beyond them invasion of the wild cucumber (Echinocystis lobata), an annual liana is also important.

Botta-Dukát Z. (2008): Invasion of alien species to Hungarian (semi-)natural habitats Acta Botanica Hungarica 50(Suppl.): 219-227. >>> letöltés (139 KB, PDF)