papaver rhoeas, lactuca serriola, tripleurospermum inodorum, apera spica-venti, avena fatua, cirsium arvense, convolvulus arvensis, delphinium consolida, elymus repens, erigeron canadensis, euphorbia exigua, falcaria vulgaris, galium aparine, galium spurium, lathyrus tuberosus, lotus corniculatus, medicago lupulina, silene latifolia, sonchus asper, triticum aestivum, veronica polita, vicia sativa, campanula rotundifolia, ranunculus repens, vicia hirsuta