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