be, arr. leuven, filipendula ulmaria, fraxinus excelsior, quercus robur, angelica sylvestris, corylus avellana, alnus glutinosa, symphytum officinale, heracleum sphondylium, urtica dioica, glechoma hederacea, ranunculus repens, poa trivialis, cardamine pratensis, galium aparine, lythrum salicaria, viburnum opulus, arum maculatum, sambucus nigra, crataegus monogyna, holcus lanatus, populus canadensis, ribes rubrum, calystegia sepium, humulus lupulus, cirsium oleraceum, cirsium palustre, primula elatior, geum urbanum, lonicera periclymenum, lysimachia vulgaris, acer pseudoplatanus, juncus effusus, ficaria verna, hedera helix, carex acutiformis, prunus avium, anemone nemorosa, circaea lutetiana, iris pseudacorus, eupatorium cannabinum, cirsium arvense, cornus sanguinea, ajuga reptans, galeopsis tetrahit, polygonatum multiflorum, carpinus betulus, phragmites australis, arrhenatherum elatius, alopecurus pratensis, phalaris arundinacea