bolboschoenus maritimus, rubia tatarica, xanthium strumarium, alisma gramineum, althaea officinalis, atriplex prostrata, bidens tripartita, cirsium arvense, convolvulus arvensis, echinochloa crus-galli, elymus repens, glycyrrhiza echinata, inula britannica, lipandra polysperma, lythrum virgatum, rorippa palustris, sonchus arvensis, stachys palustris