be, arr. oostende, agrostis stolonifera, lolium perenne, ranunculus repens, poa trivialis, trifolium repens, alopecurus geniculatus, cirsium arvense, polygonum aviculare, matricaria discoidea, poa annua, plantago major, elymus repens, ranunculus sceleratus, cotula coronopifolia, rumex crispus, holcus lanatus, lolium multiflorum, atriplex prostrata, argentina anserina, phragmites australis, ranunculus sardous, gnaphalium uliginosum, persicaria maculosa, trifolium fragiferum, bolboschoenus maritimus, persicaria amphibia, eleocharis palustris, juncus bufonius, urtica dioica, plantago lanceolata, bellis perennis, stellaria media, geranium dissectum, bromus hordeaceus, capsella bursa-pastoris, ranunculus acris, dactylis glomerata, matricaria chamomilla, phleum pratense, glyceria fluitans, echinochloa crus-galli, rumex acetosa, phalaris arundinacea, epilobium hirsutum, trifolium pratense, potentilla reptans, helosciadium nodiflorum, festuca rubra, cardamine pratensis, cirsium vulgare