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