xanthium strumarium, anthoxanthum repens, carex melanostachya, cirsium arvense, galium rubioides, lythrum virgatum, achillea salicifolia, bolboschoenus maritimus, digitaria sanguinalis, echinochloa crus-galli, gratiola officinalis, stachys palustris, convolvulus arvensis, persicaria hydropiper