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