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