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