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