chamaemelum fuscatum, coleostephus myconis, diplotaxis catholica, medicago arabica, thrincia hispida, calendula arvensis, echium plantagineum, erodium cicutarium, glebionis segetum, plantago lagopus, raphanus raphanistrum, spergula arvensis, trifolium repens, trifolium subterraneum, hypochaeris radicata, lotus conimbricensis, senecio vulgaris, stachys arvensis, tolpis barbata