be, arr. leuven, urtica dioica, populus canadensis, cirsium arvense, ranunculus repens, glechoma hederacea, symphytum officinale, phragmites australis, arrhenatherum elatius, poa trivialis, holcus lanatus, quercus robur, heracleum sphondylium, galium aparine, calystegia sepium, angelica sylvestris, phalaris arundinacea, galeopsis tetrahit, fraxinus excelsior, crataegus monogyna, filipendula ulmaria, agrostis stolonifera, sambucus nigra, alopecurus pratensis, agrostis capillaris, dactylis glomerata, alnus glutinosa, juncus effusus, ranunculus acris, lolium perenne, rumex acetosa, eupatorium cannabinum, equisetum arvense, rubus caesius, elymus repens, iris pseudacorus, cerastium holosteoides, rumex obtusifolius, cirsium palustre, festuca rubra, anthriscus sylvestris, lycopus europaeus, vicia cracca, epilobium hirsutum, lythrum salicaria, persicaria amphibia, lysimachia vulgaris, lathyrus pratensis, plantago lanceolata, trifolium repens, cardamine pratensis