lolium multiflorum, medicago lupulina, ranunculus sardous, paspalum distichum, poa trivialis, silene latifolia, bromus rigidus, capsella bursa-pastoris, cirsium arvense, cirsium creticum, crepis setosa, cyperus longus, echinochloa crus-galli, erigeron bonariensis, erigeron canadensis, galega officinalis, lactuca serriola, lythrum salicaria, melilotus officinalis, papaver rhoeas, phalaris canariensis, phragmites australis, rumex conglomeratus, sonchus oleraceus, trifolium campestre, trifolium repens