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