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