be, arr. leuven, pilosella aurantiaca, silene coronaria, oxalis corniculata, lathyrus latifolius, claytonia perfoliata, holcus lanatus, prunus serotina, galinsoga quadriradiata, ranunculus repens, phytolacca acinosa, geranium pyrenaicum, potentilla indica, agrostis capillaris, arrhenatherum elatius, rumex acetosa, plantago lanceolata, viola wittrockiana, cerastium fontanum, lepidium didymum, quercus robur, echinochloa crus-galli, lolium perenne, achillea millefolium, quercus rubra, erigeron sumatrensis, lolium multiflorum, veronica persica, trifolium dubium, stellaria graminea, ranunculus acris, heracleum sphondylium, hypochaeris radicata, castanea sativa, trifolium repens, juncus tenuis, setaria helvola, tanacetum vulgare, erigeron canadensis, anthoxanthum odoratum, melilotus albus, juncus effusus, vicia villosa, poa trivialis, festuca rubra, potentilla recta, leucanthemum vulgare, trifolium incarnatum, hypericum perforatum, cardamine pratensis, amelanchier lamarckii