galinsoga parviflora, solanum tuberosum, euphorbia helioscopia, sonchus arvensis, cirsium arvense, elymus repens, lamium purpureum, mentha arvensis, veronica polita, viola arvensis, amaranthus powellii, avena fatua, capsella bursa-pastoris, plantago uliginosa, stellaria media, hordeum vulgare, lipandra polysperma, urtica dioica