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