echium plantagineum, glebionis segetum, avena barbata, coleostephus myconis, trifolium campestre, calendula arvensis, lotus conimbricensis, raphanus raphanistrum, stachys arvensis, chamaemelum fuscatum, galium parisiense, hedypnois rhagadioloides, reseda luteola, rumex bucephalophorus, silene gallica, trifolium arvense, trifolium cherleri