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