text: xanthium strumarium, carex melanostachya, carex acuta, cirsium arvense, artemisia abrotanum, convolvulus arvensis, lythrum virgatum, bolboschoenus maritimus, calystegia sepium, cuscuta campestris, euphorbia palustris, fraxinus pennsylvanica, inula britannica, jacobaea vulgaris, lycopus exaltatus, lysimachia vulgaris, sonchus arvensis, stachys palustris, thalictrum flavum, vicia cracca