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