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