be, arr. leuven, quercus robur, agrostis capillaris, holcus lanatus, prunus serotina, arrhenatherum elatius, rumex acetosa, holcus mollis, betula pendula, achillea millefolium, anthoxanthum odoratum, ranunculus repens, rumex angiocarpus, frangula alnus, festuca rubra, quercus rubra, plantago lanceolata, juncus effusus, sorbus aucuparia, molinia caerulea, rumex acetosella, stellaria graminea, hypericum perforatum, hypochaeris radicata, tanacetum vulgare, calluna vulgaris, hieracium umbellatum, lonicera periclymenum, pinus sylvestris, ranunculus acris, avenella flexuosa, cirsium arvense, deschampsia flexuosa, dactylis glomerata, luzula campestris, urtica dioica, poa trivialis, cytisus scoparius, lolium perenne, galeopsis tetrahit, cerastium holosteoides, trifolium repens, centaurea jacea, heracleum sphondylium, angelica sylvestris, cerastium fontanum, lotus pedunculatus, cirsium palustre, populus canadensis, potentilla erecta, sambucus nigra