sonchus oleraceus, senecio vulgaris, stellaria media, veronica persica, capsella bursa-pastoris, cerastium glomeratum, euphorbia helioscopia, euphorbia peplus, geranium dissectum, mercurialis annua, poa annua, arum italicum, stachys arvensis, valerianella carinata, valerianella locusta, vicia cracca