be, arr. leuven, quercus robur, sorbus aucuparia, lonicera periclymenum, corylus avellana, fraxinus excelsior, glechoma hederacea, urtica dioica, sambucus nigra, betula pendula, acer pseudoplatanus, alnus glutinosa, crataegus monogyna, populus canadensis, prunus serotina, frangula alnus, dryopteris carthusiana, galeopsis tetrahit, galium aparine, moehringia trinervia, betula pubescens, geum urbanum, quercus rubra, angelica sylvestris, polygonatum multiflorum, ranunculus repens, athyrium filix-femina, ribes rubrum, holcus lanatus, poa trivialis, heracleum sphondylium, viburnum opulus, juncus effusus, hedera helix, dryopteris dilatata, agrostis capillaris, holcus mollis, ficaria verna, prunus avium, filipendula ulmaria, anemone nemorosa, silene dioica, salix caprea, carpinus betulus, symphytum officinale, humulus lupulus, populus tremula, cirsium arvense, deschampsia cespitosa, scrophularia nodosa, teucrium scorodonia