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