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