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