be, arr. antwerpen, pilosella aurantiaca, silene coronaria, oxalis corniculata, potentilla indica, lathyrus latifolius, claytonia perfoliata, phytolacca acinosa, geranium pyrenaicum, galinsoga quadriradiata, prunus serotina, viola wittrockiana, quercus rubra, castanea sativa, erigeron sumatrensis, lepidium didymum, holcus lanatus, echinochloa crus-galli, quercus robur, cerastium fontanum, juncus tenuis, ranunculus repens, erigeron canadensis, veronica persica, arrhenatherum elatius, setaria helvola, lolium multiflorum, agrostis capillaris, oxalis stricta, amelanchier lamarckii, melilotus albus, heracleum sphondylium, vicia villosa, rumex acetosa, potentilla recta, lepidium virginicum, plantago lanceolata, juncus effusus, lolium perenne, cymbalaria muralis, trifolium incarnatum, achillea millefolium, trifolium dubium, hypochaeris radicata, molinia caerulea, geranium macrorrhizum, papaver somniferum, ranunculus acris, stellaria graminea, pentaglottis sempervirens, tanacetum vulgare