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