be, arr. leuven, pilosella aurantiaca, silene coronaria, galinsoga quadriradiata, echinochloa crus-galli, lathyrus latifolius, oxalis corniculata, claytonia perfoliata, prunus serotina, quercus rubra, geranium pyrenaicum, veronica persica, castanea sativa, phytolacca acinosa, oxalis stricta, trifolium incarnatum, setaria helvola, ranunculus repens, quercus robur, heracleum sphondylium, potentilla indica, lepidium didymum, holcus lanatus, matricaria discoidea, tanacetum vulgare, agrostis capillaris, phacelia tanacetifolia, arrhenatherum elatius, rumex acetosa, lolium multiflorum, erigeron sumatrensis, juncus tenuis, achillea millefolium, lolium perenne, viola wittrockiana, centaurea cyanus, vicia villosa, nicandra physalodes, erigeron canadensis, melilotus albus, lunaria annua, potentilla recta, geranium macrorrhizum, vicia hirsuta, stellaria graminea, bidens frondosa, poa trivialis, trifolium dubium, plantago lanceolata, urtica dioica, galeopsis tetrahit