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