be, arr. mechelen, crassula helmsii, bidens frondosa, amelanchier lamarckii, nymphaea marliacea, potentilla indica, prunus serotina, ludwigia grandiflora, juncus tenuis, lepidium didymum, lepidium virginicum, silene coronaria, galinsoga quadriradiata, quercus rubra, melilotus albus, erigeron sumatrensis, epilobium ciliatum, echinochloa crus-galli, myriophyllum aquaticum, juncus canadensis, lathyrus latifolius, potentilla recta, cyperus eragrostis, rhododendron ponticum, pilosella aurantiaca, erigeron canadensis, oxalis corniculata, oenothera deflexa, claytonia perfoliata, vicia villosa, oenothera glazioviana, lemna minuta, azolla filiculoides, setaria helvola, reynoutria japonica, lycopus europaeus, cornus sericea, alnus incana, lindernia dubia, castanea sativa, robinia pseudoacacia, geum macrophyllum, senecio inaequidens, oxalis stricta, lolium multiflorum, lythrum salicaria, geranium pyrenaicum, symphoricarpos albus, elodea nuttallii, lysimachia vulgaris, veronica persica