be, arr. leuven, quercus robur, urtica dioica, populus canadensis, galium aparine, alnus glutinosa, poa trivialis, glechoma hederacea, ranunculus repens, heracleum sphondylium, sambucus nigra, galeopsis tetrahit, holcus lanatus, filipendula ulmaria, angelica sylvestris, fraxinus excelsior, humulus lupulus, prunus serotina, arrhenatherum elatius, alopecurus pratensis, phalaris arundinacea, corylus avellana, quercus rubra, cirsium arvense, sorbus aucuparia, silene dioica, prunus padus, symphytum officinale, crataegus monogyna, holcus mollis, geum urbanum, juncus effusus, ribes rubrum, dactylis glomerata, agrostis capillaris, ficaria verna, rumex obtusifolius, aegopodium podagraria, anthriscus sylvestris, lonicera periclymenum, calystegia sepium, rumex acetosa, acer pseudoplatanus, lysimachia vulgaris, stachys sylvatica, viburnum opulus, frangula alnus, moehringia trinervia, prunus avium, betula pendula, stellaria media