be, arr. leuven, quercus robur, castanea sativa, quercus rubra, fagus sylvatica, lonicera periclymenum, prunus serotina, betula pendula, sorbus aucuparia, dryopteris carthusiana, frangula alnus, acer pseudoplatanus, pteridium aquilinum, pinus sylvestris, teucrium scorodonia, molinia caerulea, carex pilulifera, vaccinium myrtillus, deschampsia flexuosa, dryopteris dilatata, avenella flexuosa, corylus avellana, betula pubescens, ilex aquifolium, athyrium filix-femina, hedera helix, juncus effusus, carpinus betulus, holcus mollis, convallaria majalis, quercus petraea, luzula pilosa, calluna vulgaris, agrostis capillaris, fraxinus excelsior, polygonatum multiflorum, sambucus nigra, anemone nemorosa, alnus glutinosa, prunus avium, dryopteris filix-mas, moehringia trinervia, urtica dioica, populus tremula, maianthemum bifolium, oxalis acetosella, salix caprea, galeopsis tetrahit, hyacinthoides non-scripta, deschampsia cespitosa, scrophularia nodosa