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