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