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