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