be, arr. halle-vilvoorde, heracleum sphondylium, populus canadensis, urtica dioica, fraxinus excelsior, ranunculus repens, sambucus nigra, symphytum officinale, glechoma hederacea, acer pseudoplatanus, poa trivialis, galium aparine, geranium pyrenaicum, angelica sylvestris, galanthus nivalis, quercus robur, holcus lanatus, arrhenatherum elatius, filipendula ulmaria, corylus avellana, calystegia sepium, cerastium fontanum, cirsium arvense, alnus glutinosa, cirsium oleraceum, silene dioica, lolium perenne, crataegus monogyna, ficaria verna, castanea sativa, cardamine pratensis, primula elatior, arum maculatum, hedera helix, alopecurus pratensis, lathyrus latifolius, ribes rubrum, arum italicum, prunus avium, veronica persica, ranunculus acris, alnus incana, eupatorium cannabinum, epilobium hirsutum, phragmites australis, lamium galeobdolon, viburnum opulus, lythrum salicaria, rumex obtusifolius, quercus rubra, geum urbanum