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