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