mercurialis annua, stellaria media, arrhenatherum elatius, veronica persica, cardamine hirsuta, poa annua, rumex crispus, senecio vulgaris, sonchus asper, sonchus oleraceus, arum italicum, cerastium glomeratum, datura stramonium, euphorbia helioscopia, geranium dissectum, medicago arabica, medicago polymorpha, urtica dioica