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