be, arr. leuven, quercus rubra, prunus serotina, quercus robur, sorbus aucuparia, castanea sativa, betula pendula, pinus sylvestris, lonicera periclymenum, frangula alnus, dryopteris dilatata, dryopteris carthusiana, fagus sylvatica, vaccinium myrtillus, acer pseudoplatanus, molinia caerulea, avenella flexuosa, deschampsia flexuosa, corylus avellana, juncus effusus, teucrium scorodonia, agrostis capillaris, sambucus nigra, urtica dioica, betula pubescens, amelanchier lamarckii, carex pilulifera, athyrium filix-femina, pteridium aquilinum, galeopsis tetrahit, rhododendron ponticum, holcus mollis, holcus lanatus, polygonatum multiflorum, pinus nigra, calluna vulgaris, alnus glutinosa, robinia pseudoacacia, ilex aquifolium, hedera helix, potentilla indica, fraxinus excelsior, juncus tenuis, glechoma hederacea, convallaria majalis, salix caprea, prunus avium, lamium galeobdolon, ranunculus repens, maianthemum bifolium, moehringia trinervia