be, arr. mechelen, silene coronaria, potentilla indica, oxalis corniculata, lepidium didymum, claytonia perfoliata, erigeron sumatrensis, pilosella aurantiaca, galinsoga quadriradiata, lathyrus latifolius, amelanchier lamarckii, echinochloa crus-galli, prunus serotina, quercus rubra, bidens frondosa, viola wittrockiana, setaria helvola, phytolacca acinosa, lepidium virginicum, oenothera glazioviana, melilotus albus, geranium pyrenaicum, rhododendron ponticum, veronica persica, castanea sativa, geranium macrorrhizum, crassula helmsii, potentilla recta, juncus tenuis, oxalis stricta, vicia villosa, erigeron canadensis, pentaglottis sempervirens, reynoutria japonica, verbena bonariensis, muscari armeniacum, lunaria annua, digitaria sanguinalis, cyperus eragrostis, matricaria discoidea, oenothera deflexa, cymbalaria muralis, silybum marianum, arum italicum, nicandra physalodes, papaver somniferum, datura stramonium, symphoricarpos albus, eschscholzia californica, nymphaea marliacea, lolium multiflorum