text: hordeum vulgare, medicago polymorpha, raphanus raphanistrum, avena sterilis, galium tricornutum, helminthotheca echioides, legousia hybrida, poa bulbosa, scandix pecten-veneris, silene vulgaris, avena barbata, avena sativa, bromus madritensis, catapodium rigidum, convolvulus arvensis, dasypyrum villosum, drimia maritima, gladiolus italicus, lolium temulentum, lysimachia arvensis, papaver rhoeas, polygonum aviculare, cynodon dactylon, fumaria officinalis, glebionis coronaria, lactuca serriola, sonchus oleraceus