be, arr. leuven, populus canadensis, urtica dioica, glechoma hederacea, galium aparine, quercus robur, symphytum officinale, sambucus nigra, heracleum sphondylium, crataegus monogyna, filipendula ulmaria, poa trivialis, galeopsis tetrahit, angelica sylvestris, fraxinus excelsior, alnus glutinosa, humulus lupulus, cirsium arvense, ranunculus repens, calystegia sepium, phalaris arundinacea, ribes rubrum, geum urbanum, silene dioica, phragmites australis, anthriscus sylvestris, ficaria verna, holcus lanatus, arrhenatherum elatius, rubus caesius, solanum dulcamara, corylus avellana, moehringia trinervia, iris pseudacorus, alopecurus pratensis, viburnum opulus, acer pseudoplatanus, cirsium palustre, dactylis glomerata, aegopodium podagraria, lycopus europaeus, rumex obtusifolius, lythrum salicaria, alnus incana, stachys sylvatica, cardamine pratensis, lysimachia vulgaris, juncus effusus, prunus padus, geranium robertianum, cornus sanguinea