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