apera spica-venti, arenaria serpyllifolia, bromus commutatus, elymus repens, equisetum arvense, galium spurium, camelina microcarpa, capsella bursa-pastoris, centaurea cyanus, cirsium arvense, descurainia sophia, erigeron canadensis, fallopia convolvulus, galeopsis tetrahit, lysimachia arvensis, medicago lupulina, polygonum aviculare, veronica arvensis, vicia sativa, viola arvensis