be, arr. leuven, populus canadensis, urtica dioica, heracleum sphondylium, quercus robur, glechoma hederacea, arrhenatherum elatius, symphytum officinale, galium aparine, cirsium arvense, filipendula ulmaria, angelica sylvestris, poa trivialis, crataegus monogyna, fraxinus excelsior, alopecurus pratensis, ranunculus repens, sambucus nigra, holcus lanatus, calystegia sepium, galeopsis tetrahit, phalaris arundinacea, alnus glutinosa, phragmites australis, humulus lupulus, dactylis glomerata, anthriscus sylvestris, geum urbanum, ribes rubrum, ficaria verna, corylus avellana, elymus repens, ranunculus acris, tanacetum vulgare, rubus caesius, prunus serotina, iris pseudacorus, rumex acetosa, agrostis capillaris, vicia cracca, lathyrus pratensis, lythrum salicaria, equisetum arvense, viburnum opulus, cirsium palustre, aegopodium podagraria, lysimachia vulgaris, solanum dulcamara, carex acuta, acer pseudoplatanus, juncus effusus