be, arr. leuven, quercus robur, castanea sativa, quercus rubra, lonicera periclymenum, acer pseudoplatanus, sorbus aucuparia, prunus serotina, corylus avellana, dryopteris dilatata, fagus sylvatica, sambucus nigra, fraxinus excelsior, betula pendula, dryopteris carthusiana, athyrium filix-femina, hedera helix, polygonatum multiflorum, frangula alnus, urtica dioica, alnus glutinosa, betula pubescens, glechoma hederacea, teucrium scorodonia, anemone nemorosa, hyacinthoides non-scripta, lamium galeobdolon, prunus avium, pteridium aquilinum, juncus effusus, populus canadensis, carpinus betulus, ilex aquifolium, geum urbanum, vaccinium myrtillus, crataegus monogyna, pinus sylvestris, molinia caerulea, convallaria majalis, circaea lutetiana, arum maculatum, ribes rubrum, deschampsia flexuosa, avenella flexuosa, holcus mollis, carex pilulifera, ficaria verna, dryopteris filix-mas, primula elatior, cardamine pratensis, galeopsis tetrahit