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