be, arr. leuven, populus canadensis, quercus robur, urtica dioica, glechoma hederacea, angelica sylvestris, heracleum sphondylium, galium aparine, filipendula ulmaria, fraxinus excelsior, alnus glutinosa, sambucus nigra, symphytum officinale, poa trivialis, ranunculus repens, galeopsis tetrahit, crataegus monogyna, ribes rubrum, corylus avellana, humulus lupulus, silene dioica, ficaria verna, cirsium arvense, holcus lanatus, phalaris arundinacea, geum urbanum, calystegia sepium, arrhenatherum elatius, acer pseudoplatanus, alopecurus pratensis, cardamine pratensis, cirsium palustre, phragmites australis, viburnum opulus, iris pseudacorus, juncus effusus, lonicera periclymenum, lythrum salicaria, stachys sylvatica, prunus avium, primula elatior, solanum dulcamara, hedera helix, circaea lutetiana, lysimachia vulgaris, alnus incana, anthriscus sylvestris, dactylis glomerata, anemone nemorosa, rumex obtusifolius, athyrium filix-femina