text: artemisia vulgaris, ceratodon purpureus, filago arvensis, trifolium arvense, apera spica-venti, bromus hordeaceus, elymus repens, erigeron canadensis, fallopia convolvulus, trifolium campestre, veronica arvensis, vicia hirsuta, viola arvensis, crepis tectorum, erodium cicutarium, hypochaeris radicata, lactuca serriola, vicia sativa, senecio vernalis