solanum nigrum, chenopodium album, echinochloa crus-galli, digitaria sanguinalis, lipandra polysperma, atriplex patula, capsella bursa-pastoris, elymus repens, galinsoga parviflora, persicaria lapathifolia, trifolium repens, urtica dioica, amaranthus retroflexus, lathyrus pratensis, potentilla reptans, scrophularia nodosa, sonchus asper