text: ceratodon purpureus, elymus repens, rumex acetosella, filago arvensis, apera spica-venti, arrhenatherum elatius, crepis capillaris, erigeron canadensis, fallopia convolvulus, hypochaeris radicata, polytrichum piliferum, trifolium arvense, viola arvensis, chenopodium album, convolvulus arvensis, crepis tectorum, festuca trachyphylla, lycopsis arvensis, senecio vernalis, trifolium campestre, vicia hirsuta, vicia sativa, erodium cicutarium