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