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