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