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