be, arr. leuven, filipendula ulmaria, angelica sylvestris, ranunculus repens, holcus lanatus, heracleum sphondylium, alopecurus pratensis, arrhenatherum elatius, urtica dioica, populus canadensis, poa trivialis, rumex acetosa, cirsium palustre, juncus effusus, symphytum officinale, glechoma hederacea, ranunculus acris, quercus robur, cardamine pratensis, phalaris arundinacea, galium aparine, stellaria graminea, equisetum palustre, cirsium arvense, carex acuta, silene flos-cuculi, agrostis capillaris, alnus glutinosa, galeopsis tetrahit, cerastium fontanum, lythrum salicaria, lysimachia vulgaris, carex acutiformis, lotus pedunculatus, phragmites australis, lathyrus pratensis, anthoxanthum odoratum, iris pseudacorus, scirpus sylvaticus, calystegia sepium, cirsium oleraceum, festuca rubra, juncus acutiflorus, galium palustre, vicia cracca, plantago lanceolata, ficaria verna, caltha palustris, lolium perenne, carex hirta, fraxinus excelsior