eragrostis minor, ceratodon purpureus, portulaca oleracea, digitaria sanguinalis, euphorbia peplus, gemmabryum caespiticium, poa annua, senecio vulgaris, setaria viridis, veronica persica, amaranthus retroflexus, bryum argenteum, capsella bursa-pastoris, fallopia convolvulus, sonchus oleraceus, chenopodium album