be, arr. leuven, populus canadensis, urtica dioica, ranunculus repens, heracleum sphondylium, filipendula ulmaria, angelica sylvestris, poa trivialis, cirsium arvense, galium aparine, holcus lanatus, glechoma hederacea, arrhenatherum elatius, alopecurus pratensis, symphytum officinale, phalaris arundinacea, calystegia sepium, quercus robur, galeopsis tetrahit, juncus effusus, alnus glutinosa, phragmites australis, sambucus nigra, lythrum salicaria, cirsium palustre, cardamine pratensis, rumex obtusifolius, ranunculus acris, rumex acetosa, fraxinus excelsior, iris pseudacorus, carex acuta, equisetum palustre, cerastium fontanum, lycopus europaeus, cirsium oleraceum, lolium perenne, lysimachia vulgaris, agrostis stolonifera, humulus lupulus, dactylis glomerata, stellaria graminea, epilobium hirsutum, ficaria verna, solanum dulcamara, equisetum arvense, agrostis capillaris, carex acutiformis, lathyrus pratensis, crataegus monogyna, anthriscus sylvestris