papaver rhoeas, sorghum halepense, viola arvensis, amaranthus retroflexus, apera spica-venti, camelina sativa, centaurea cyanus, chaerophyllum aureum, convolvulus arvensis, delphinium consolida, elymus repens, erigeron canadensis, hordeum murinum, lathyrus tuberosus, legousia speculum-veneris, lysimachia arvensis, stachys annua, trifolium repens, vicia hirsuta