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