be, arr. leuven, populus canadensis, heracleum sphondylium, arrhenatherum elatius, angelica sylvestris, urtica dioica, quercus robur, glechoma hederacea, filipendula ulmaria, ranunculus repens, cirsium arvense, alopecurus pratensis, holcus lanatus, poa trivialis, symphytum officinale, galium aparine, ranunculus acris, fraxinus excelsior, rumex acetosa, crataegus monogyna, calystegia sepium, lathyrus pratensis, galeopsis tetrahit, sambucus nigra, stellaria graminea, dactylis glomerata, cirsium palustre, agrostis capillaris, alnus glutinosa, vicia cracca, phalaris arundinacea, cardamine pratensis, juncus effusus, ficaria verna, cerastium fontanum, lolium perenne, elymus repens, phragmites australis, lythrum salicaria, corylus avellana, anthriscus sylvestris, geum urbanum, cerastium holosteoides, festuca rubra, centaurea jacea, plantago lanceolata, rumex obtusifolius, equisetum arvense, silene flos-cuculi, rumex crispus, agrostis stolonifera