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