be, arr. leuven, quercus robur, prunus serotina, quercus rubra, sorbus aucuparia, betula pendula, pinus sylvestris, frangula alnus, castanea sativa, lonicera periclymenum, dryopteris dilatata, dryopteris carthusiana, fagus sylvatica, avenella flexuosa, pinus nigra, deschampsia flexuosa, molinia caerulea, ilex aquifolium, vaccinium myrtillus, acer pseudoplatanus, amelanchier lamarckii, betula pubescens, calluna vulgaris, carex pilulifera, corylus avellana, pteridium aquilinum, sambucus nigra, teucrium scorodonia, robinia pseudoacacia, pseudotsuga menziesii, agrostis capillaris, hedera helix, holcus mollis, prunus avium, populus tremula, quercus petraea, rubus gratus, picea abies, larix kaempferi, polygonatum multiflorum, salix caprea, holcus lanatus, convallaria majalis, galeopsis tetrahit, crataegus monogyna, urtica dioica, cytisus scoparius, rubus plicatus, ceratocapnos claviculata, dryopteris filix-mas, juncus effusus