lactuca serriola, elymus repens, cichorium intybus, setaria pumila, xanthium strumarium, erigeron canadensis, carduus acanthoides, erigeron annuus, plantago major, sorghum halepense, crepis foetida, avena sativa, oxalis corniculata, verbena officinalis, fallopia convolvulus, viola arvensis, berteroa incana, bromus sterilis, convolvulus arvensis, plantago lanceolata, veronica verna