convolvulus arvensis, cirsium arvense, erigeron glabratus, amaranthus retroflexus, ambrosia artemisiifolia, chenopodium album, elymus repens, lactuca serriola, persicaria lapathifolia, portulaca oleracea, sonchus arvensis, capsella bursa-pastoris, crepis biennis, delphinium consolida, lactuca viminea, matricaria chamomilla, sonchus asper, sorghum halepense