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