bromus arvensis, convolvulus arvensis, sonchus arvensis, amaranthus retroflexus, bromus sterilis, bromus tectorum, capsella bursa-pastoris, chenopodium album, cirsium arvense, crepis foetida, elymus repens, erigeron canadensis, lathyrus tuberosus, senecio vulgaris, solanum nigrum, thlaspi arvense, tripleurospermum inodorum