be, arr. leuven, quercus robur, castanea sativa, fagus sylvatica, quercus rubra, betula pendula, prunus serotina, sorbus aucuparia, lonicera periclymenum, acer pseudoplatanus, teucrium scorodonia, carex pilulifera, pinus sylvestris, pteridium aquilinum, dryopteris carthusiana, frangula alnus, juncus effusus, corylus avellana, vaccinium myrtillus, molinia caerulea, dryopteris dilatata, avenella flexuosa, athyrium filix-femina, agrostis capillaris, deschampsia flexuosa, carpinus betulus, fraxinus excelsior, holcus mollis, salix caprea, ilex aquifolium, luzula pilosa, hedera helix, urtica dioica, calluna vulgaris, juncus conglomeratus, sambucus nigra, convallaria majalis, holcus lanatus, betula pubescens, anemone nemorosa, quercus petraea, ranunculus repens, polygonatum multiflorum, glechoma hederacea, alnus glutinosa, prunus avium, deschampsia cespitosa, scrophularia nodosa, oxalis acetosella, dryopteris filix-mas, moehringia trinervia