be, arr. leuven, quercus robur, sorbus aucuparia, quercus rubra, prunus serotina, lonicera periclymenum, frangula alnus, betula pendula, dryopteris dilatata, corylus avellana, pinus sylvestris, dryopteris carthusiana, castanea sativa, sambucus nigra, betula pubescens, amelanchier lamarckii, avenella flexuosa, molinia caerulea, deschampsia flexuosa, acer pseudoplatanus, agrostis capillaris, polygonatum multiflorum, vaccinium myrtillus, holcus mollis, fagus sylvatica, urtica dioica, alnus glutinosa, teucrium scorodonia, galeopsis tetrahit, holcus lanatus, hedera helix, juncus effusus, pteridium aquilinum, populus canadensis, athyrium filix-femina, fraxinus excelsior, prunus avium, calluna vulgaris, ilex aquifolium, crataegus monogyna, carex pilulifera, glechoma hederacea, moehringia trinervia, robinia pseudoacacia, galium aparine, ranunculus repens, populus tremula, salix caprea, maianthemum bifolium, poa trivialis, rubus gratus