be, arr. leuven, quercus robur, holcus lanatus, agrostis capillaris, prunus serotina, ranunculus repens, quercus rubra, arrhenatherum elatius, rumex acetosa, urtica dioica, heracleum sphondylium, poa trivialis, holcus mollis, cirsium arvense, betula pendula, populus canadensis, sorbus aucuparia, ranunculus acris, stellaria graminea, tanacetum vulgare, juncus effusus, achillea millefolium, alopecurus pratensis, plantago lanceolata, glechoma hederacea, anthoxanthum odoratum, galeopsis tetrahit, lolium perenne, hypericum perforatum, festuca rubra, lonicera periclymenum, dactylis glomerata, angelica sylvestris, frangula alnus, sambucus nigra, galium aparine, trifolium repens, cerastium holosteoides, corylus avellana, cardamine pratensis, cerastium fontanum, alnus glutinosa, rumex obtusifolius, cirsium palustre, centaurea jacea, elymus repens, pinus sylvestris, castanea sativa, rumex angiocarpus, trifolium dubium, equisetum arvense