be, arr. leuven, castanea sativa, quercus rubra, prunus serotina, fagus sylvatica, sorbus aucuparia, quercus robur, pinus sylvestris, betula pendula, lonicera periclymenum, acer pseudoplatanus, amelanchier lamarckii, ilex aquifolium, vaccinium myrtillus, robinia pseudoacacia, rhododendron ponticum, corylus avellana, frangula alnus, convallaria majalis, teucrium scorodonia, potentilla indica, pteridium aquilinum, molinia caerulea, hedera helix, avenella flexuosa, dryopteris dilatata, carex pilulifera, pinus nigra, dryopteris carthusiana, lamium galeobdolon, deschampsia flexuosa, prunus avium, carpinus betulus, silene coronaria, sambucus nigra, calluna vulgaris, mespilus germanica, polygonatum multiflorum, juncus tenuis, pseudotsuga menziesii, hyacinthoides non-scripta, betula pubescens, plantago subulata, fraxinus excelsior, oxalis stricta, salix caprea, epipactis helleborine, impatiens parviflora, cytisus scoparius, maianthemum bifolium, luzula pilosa