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