be, arr. leuven, urtica dioica, galium aparine, heracleum sphondylium, poa trivialis, symphytum officinale, glechoma hederacea, cirsium arvense, ranunculus repens, sambucus nigra, anthriscus sylvestris, calystegia sepium, fraxinus excelsior, crataegus monogyna, holcus lanatus, phragmites australis, populus canadensis, arrhenatherum elatius, filipendula ulmaria, epilobium hirsutum, angelica sylvestris, phalaris arundinacea, quercus robur, alnus glutinosa, silene dioica, dactylis glomerata, rumex obtusifolius, galeopsis tetrahit, humulus lupulus, rubus caesius, alopecurus pratensis, geum urbanum, eupatorium cannabinum, elymus repens, solanum dulcamara, ficaria verna, agrostis stolonifera, acer pseudoplatanus, lolium perenne, iris pseudacorus, aegopodium podagraria, equisetum arvense, cardamine pratensis, lycopus europaeus, ribes rubrum, lythrum salicaria, ranunculus acris, stachys sylvatica, stellaria media, cirsium vulgare, geranium robertianum