fagopyrum esculentum, herniaria hirsuta, setaria pumila, apera spica-venti, digitaria ischaemum, erigeron canadensis, scleranthus annuus, spergula arvensis, bromus hordeaceus, capsella bursa-pastoris, centaurea cyanus, cerastium holosteoides, ceratodon purpureus, convolvulus arvensis, elymus repens, oxalis stricta, polycnemum arvense, polygonum aviculare, tortula truncata