erigeron canadensis, apera spica-venti, papaver rhoeas, holosteum umbellatum, lactuca serriola, bromus tectorum, camelina microcarpa, capsella bursa-pastoris, cerastium glutinosum, cerastium holosteoides, descurainia sophia, equisetum arvense, erodium cicutarium, fallopia convolvulus, geranium pusillum, secale cereale, vicia tetrasperma