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