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