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