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