be, arr. leuven, quercus robur, holcus lanatus, betula pendula, urtica dioica, agrostis capillaris, lonicera periclymenum, ranunculus repens, sorbus aucuparia, fraxinus excelsior, cirsium arvense, poa trivialis, acer pseudoplatanus, corylus avellana, sambucus nigra, heracleum sphondylium, fagus sylvatica, glechoma hederacea, holcus mollis, arrhenatherum elatius, galium aparine, pinus sylvestris, hedera helix, dactylis glomerata, prunus serotina, achillea millefolium, quercus rubra, lolium perenne, teucrium scorodonia, agrostis stolonifera, galeopsis tetrahit, frangula alnus, alnus glutinosa, plantago lanceolata, betula pubescens, juncus effusus, crataegus monogyna, hypericum perforatum, rumex acetosa, trifolium repens, elymus repens, prunus avium, salix caprea, avenella flexuosa, rumex angiocarpus, castanea sativa, rumex acetosella, cerastium holosteoides, ranunculus acris, molinia caerulea, anthoxanthum odoratum