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