urtica membranacea, galium aparine, mercurialis annua, parietaria judaica, stellaria apetala, amaranthus retroflexus, bromus madritensis, capsella rubella, chenopodium album, lolium rigidum, malva nicaeensis, oxalis corniculata, polycarpon tetraphyllum, rostraria cristata, scrophularia peregrina, sonchus oleraceus, trifolium nigrescens