be, arr. leuven, quercus rubra, prunus serotina, castanea sativa, quercus robur, sorbus aucuparia, betula pendula, pinus sylvestris, fagus sylvatica, vaccinium myrtillus, frangula alnus, lonicera periclymenum, dryopteris carthusiana, dryopteris dilatata, avenella flexuosa, molinia caerulea, carex pilulifera, deschampsia flexuosa, pteridium aquilinum, teucrium scorodonia, acer pseudoplatanus, calluna vulgaris, ilex aquifolium, betula pubescens, pinus nigra, corylus avellana, agrostis capillaris, holcus mollis, quercus petraea, luzula pilosa, convallaria majalis, juncus effusus, athyrium filix-femina, pseudotsuga menziesii, picea abies, sambucus nigra, hedera helix, robinia pseudoacacia, amelanchier lamarckii, carpinus betulus, maianthemum bifolium, larix kaempferi, salix caprea, polygonatum multiflorum, cytisus scoparius, prunus avium, larix decidua, populus tremula, galeopsis tetrahit, dryopteris filix-mas, moehringia trinervia