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