be, arr. leuven, quercus robur, prunus serotina, quercus rubra, betula pendula, sorbus aucuparia, castanea sativa, pinus sylvestris, lonicera periclymenum, teucrium scorodonia, acer pseudoplatanus, fagus sylvatica, agrostis capillaris, dryopteris carthusiana, frangula alnus, dryopteris dilatata, avenella flexuosa, corylus avellana, urtica dioica, pteridium aquilinum, carex pilulifera, salix caprea, sambucus nigra, deschampsia flexuosa, holcus lanatus, molinia caerulea, juncus effusus, holcus mollis, vaccinium myrtillus, glechoma hederacea, calluna vulgaris, pinus nigra, hypericum perforatum, cirsium arvense, galeopsis tetrahit, athyrium filix-femina, fraxinus excelsior, moehringia trinervia, calamagrostis epigejos, ranunculus repens, betula pubescens, cytisus scoparius, hedera helix, robinia pseudoacacia, convallaria majalis, populus tremula, prunus avium, carpinus betulus, juncus conglomeratus, dryopteris filix-mas, rumex angiocarpus