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