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