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