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