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