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