capsella bursa-pastoris, descurainia sophia, papaver rhoeas, amaranthus retroflexus, ambrosia artemisiifolia, apera spica-venti, camelina microcarpa, chenopodium album, convolvulus arvensis, delphinium consolida, elymus repens, erigeron canadensis, erodium cicutarium, fallopia convolvulus, galium aparine, lactuca serriola, poa pratensis, stellaria media, tripleurospermum inodorum