be, arr. leuven, arrhenatherum elatius, quercus robur, holcus lanatus, prunus serotina, erigeron canadensis, agrostis capillaris, cirsium arvense, tanacetum vulgare, ranunculus repens, plantago lanceolata, urtica dioica, lolium perenne, hypericum perforatum, achillea millefolium, quercus rubra, cerastium fontanum, melilotus albus, silene coronaria, populus canadensis, dactylis glomerata, festuca rubra, rumex acetosa, trifolium repens, poa trivialis, heracleum sphondylium, stellaria graminea, elymus repens, vicia hirsuta, betula pendula, geranium pyrenaicum, trifolium dubium, glechoma hederacea, oxalis corniculata, hypochaeris radicata, lolium multiflorum, lathyrus latifolius, sambucus nigra, galium aparine, claytonia perfoliata, juncus tenuis, galinsoga quadriradiata, rumex angiocarpus, equisetum arvense, robinia pseudoacacia, artemisia vulgaris, veronica arvensis, trifolium pratense, cerastium holosteoides, stellaria media, ranunculus acris