be, arr. leuven, castanea sativa, quercus rubra, quercus robur, lonicera periclymenum, corylus avellana, acer pseudoplatanus, teucrium scorodonia, fagus sylvatica, prunus serotina, sorbus aucuparia, betula pendula, polygonatum multiflorum, fraxinus excelsior, pteridium aquilinum, hedera helix, frangula alnus, carpinus betulus, lamium galeobdolon, pinus sylvestris, sambucus nigra, prunus avium, hyacinthoides non-scripta, carex pilulifera, anemone nemorosa, juncus effusus, mespilus germanica, athyrium filix-femina, salix caprea, molinia caerulea, vaccinium myrtillus, arum maculatum, alnus glutinosa, robinia pseudoacacia, ilex aquifolium, dryopteris carthusiana, convallaria majalis, holcus lanatus, pilosella aurantiaca, ranunculus repens, primula elatior, heracleum sphondylium, urtica dioica, epipactis helleborine, dryopteris dilatata, glechoma hederacea, angelica sylvestris, betula pubescens, luzula pilosa, holcus mollis, vinca minor