be, arr. leuven, quercus robur, alnus glutinosa, sorbus aucuparia, fraxinus excelsior, corylus avellana, lonicera periclymenum, sambucus nigra, populus canadensis, urtica dioica, prunus serotina, quercus rubra, acer pseudoplatanus, glechoma hederacea, filipendula ulmaria, galium aparine, frangula alnus, betula pendula, polygonatum multiflorum, ribes rubrum, athyrium filix-femina, galeopsis tetrahit, angelica sylvestris, humulus lupulus, dryopteris carthusiana, crataegus monogyna, anemone nemorosa, prunus padus, poa trivialis, geum urbanum, prunus avium, viburnum opulus, hedera helix, ranunculus repens, dryopteris dilatata, lysimachia vulgaris, juncus effusus, moehringia trinervia, ficaria verna, betula pubescens, holcus lanatus, holcus mollis, fagus sylvatica, heracleum sphondylium, deschampsia cespitosa, alnus incana, phalaris arundinacea, silene dioica, iris pseudacorus, circaea lutetiana, stachys sylvatica