be, arr. leuven, quercus robur, holcus lanatus, quercus rubra, agrostis capillaris, prunus serotina, sorbus aucuparia, betula pendula, castanea sativa, lonicera periclymenum, juncus effusus, ranunculus repens, molinia caerulea, frangula alnus, holcus mollis, rumex acetosa, corylus avellana, anthoxanthum odoratum, teucrium scorodonia, plantago lanceolata, pinus sylvestris, poa trivialis, calluna vulgaris, urtica dioica, arrhenatherum elatius, avenella flexuosa, lolium perenne, galeopsis tetrahit, cerastium fontanum, ranunculus acris, deschampsia flexuosa, acer pseudoplatanus, betula pubescens, heracleum sphondylium, juncus acutiflorus, cirsium palustre, fagus sylvatica, achillea millefolium, festuca rubra, hypochaeris radicata, lotus pedunculatus, stellaria graminea, polygonatum multiflorum, carex pilulifera, cirsium arvense, juncus tenuis, rumex acetosella, alnus glutinosa, hypericum perforatum, cardamine pratensis, rumex angiocarpus