be, arr. turnhout, bidens frondosa, crassula helmsii, quercus rubra, potentilla indica, rhododendron ponticum, geum macrophyllum, amelanchier lamarckii, prunus serotina, juncus tenuis, galinsoga quadriradiata, castanea sativa, pilosella aurantiaca, echinochloa crus-galli, nymphaea marliacea, silene coronaria, oxalis stricta, lepidium didymum, myriophyllum aquaticum, epilobium ciliatum, impatiens glandulifera, claytonia perfoliata, lemna minuta, claytonia sibirica, galanthus nivalis, erigeron sumatrensis, quercus robur, pentaglottis sempervirens, lathyrus latifolius, juncus effusus, ludwigia grandiflora, urtica dioica, symphoricarpos albus, phytolacca acinosa, persicaria hydropiper, potentilla recta, geranium phaeum, lycopus europaeus, azolla filiculoides, melilotus albus, reynoutria japonica, lolium multiflorum, robinia pseudoacacia, setaria helvola, lysimachia vulgaris, quercus palustris, elodea nuttallii, alnus glutinosa, matricaria discoidea, veronica persica, oxalis corniculata