be, arr. leuven, populus canadensis, quercus robur, fraxinus excelsior, urtica dioica, glechoma hederacea, alnus glutinosa, corylus avellana, galium aparine, filipendula ulmaria, sambucus nigra, angelica sylvestris, heracleum sphondylium, poa trivialis, ranunculus repens, acer pseudoplatanus, crataegus monogyna, ribes rubrum, geum urbanum, lonicera periclymenum, ficaria verna, humulus lupulus, sorbus aucuparia, silene dioica, galeopsis tetrahit, symphytum officinale, holcus lanatus, viburnum opulus, athyrium filix-femina, anemone nemorosa, hedera helix, juncus effusus, prunus serotina, polygonatum multiflorum, cardamine pratensis, phalaris arundinacea, prunus avium, cirsium palustre, primula elatior, circaea lutetiana, stachys sylvatica, cirsium arvense, moehringia trinervia, calystegia sepium, adoxa moschatellina, quercus rubra, alnus incana, geranium robertianum, betula pendula, arrhenatherum elatius, phragmites australis