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