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