carex acutiformis, elymus repens, carex praecox, convolvulus arvensis, euphorbia tommasiniana, rubia tatarica, althaea officinalis, artemisia abrotanum, bolboschoenus maritimus, echinochloa crus-galli, euphorbia palustris, jacobaea vulgaris, lythrum virgatum, persicaria amphibia, plantago major, polygonum patulum, xanthium strumarium