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