be, arr. leuven, urtica dioica, arrhenatherum elatius, populus canadensis, cirsium arvense, heracleum sphondylium, symphytum officinale, quercus robur, holcus lanatus, ranunculus repens, glechoma hederacea, galium aparine, calystegia sepium, poa trivialis, phragmites australis, alopecurus pratensis, filipendula ulmaria, phalaris arundinacea, crataegus monogyna, dactylis glomerata, angelica sylvestris, sambucus nigra, fraxinus excelsior, tanacetum vulgare, elymus repens, rumex acetosa, equisetum arvense, agrostis capillaris, galeopsis tetrahit, ranunculus acris, alnus glutinosa, anthriscus sylvestris, vicia cracca, lathyrus pratensis, lysimachia vulgaris, rubus caesius, lythrum salicaria, festuca rubra, humulus lupulus, solanum dulcamara, juncus effusus, agrostis stolonifera, achillea millefolium, iris pseudacorus, persicaria amphibia, cirsium palustre, prunus serotina, stellaria graminea, lolium perenne, epilobium hirsutum, plantago lanceolata