be, arr. leuven, castanea sativa, quercus rubra, acer pseudoplatanus, quercus robur, prunus serotina, lonicera periclymenum, sorbus aucuparia, corylus avellana, fagus sylvatica, hedera helix, sambucus nigra, polygonatum multiflorum, dryopteris dilatata, betula pendula, fraxinus excelsior, prunus avium, pteridium aquilinum, dryopteris carthusiana, frangula alnus, hyacinthoides non-scripta, athyrium filix-femina, anemone nemorosa, ilex aquifolium, teucrium scorodonia, vaccinium myrtillus, lamium galeobdolon, convallaria majalis, robinia pseudoacacia, pinus sylvestris, carpinus betulus, luzula pilosa, carex pilulifera, vinca minor, betula pubescens, maianthemum bifolium, deschampsia flexuosa, arum maculatum, rhododendron ponticum, avenella flexuosa, dryopteris filix-mas, mespilus germanica, urtica dioica, potentilla indica, glechoma hederacea, crataegus monogyna, salix caprea, molinia caerulea, circaea lutetiana, adoxa moschatellina, alnus glutinosa