be, arr. leuven, quercus robur, agrostis capillaris, holcus lanatus, prunus serotina, quercus rubra, betula pendula, rumex acetosa, ranunculus repens, sorbus aucuparia, pinus sylvestris, arrhenatherum elatius, holcus mollis, frangula alnus, achillea millefolium, urtica dioica, plantago lanceolata, anthoxanthum odoratum, rumex angiocarpus, lonicera periclymenum, rumex acetosella, hypericum perforatum, festuca rubra, avenella flexuosa, stellaria graminea, deschampsia flexuosa, tanacetum vulgare, calluna vulgaris, luzula campestris, juncus effusus, cirsium arvense, poa trivialis, hypochaeris radicata, heracleum sphondylium, galeopsis tetrahit, ranunculus acris, dactylis glomerata, lolium perenne, trifolium repens, molinia caerulea, teucrium scorodonia, cytisus scoparius, trifolium dubium, cerastium holosteoides, glechoma hederacea, castanea sativa, amelanchier lamarckii, sambucus nigra, galium aparine, cerastium fontanum, corylus avellana