be, arr. leuven, urtica dioica, cirsium arvense, phalaris arundinacea, symphytum officinale, heracleum sphondylium, arrhenatherum elatius, ranunculus repens, galium aparine, poa trivialis, alopecurus pratensis, populus canadensis, filipendula ulmaria, calystegia sepium, holcus lanatus, glechoma hederacea, phragmites australis, angelica sylvestris, tanacetum vulgare, galeopsis tetrahit, lythrum salicaria, anthriscus sylvestris, rumex obtusifolius, dactylis glomerata, persicaria amphibia, elymus repens, rumex acetosa, iris pseudacorus, lycopus europaeus, impatiens glandulifera, epilobium hirsutum, equisetum arvense, ranunculus acris, lysimachia vulgaris, lathyrus pratensis, carex acuta, agrostis stolonifera, vicia cracca, solanum dulcamara, juncus effusus, alnus glutinosa, quercus robur, humulus lupulus, lolium perenne, glyceria maxima, stellaria graminea, agrostis capillaris, sambucus nigra, cirsium palustre, rumex crispus, festuca rubra