apera spica-venti, arenaria serpyllifolia, bromus racemosus, elymus repens, equisetum arvense, galium spurium, camelina microcarpa, capsella bursa-pastoris, centaurea cyanus, cirsium arvense, erigeron canadensis, galeopsis tetrahit, lysimachia arvensis, lysimachia vulgaris, medicago lupulina, veronica arvensis, vicia sativa, viola arvensis