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