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