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