carduus pycnocephalus, phragmites australis, silybum marianum, thinoelymus laxus, bromus hordeaceus, bromus rubens, centranthus calcitrapae, dittrichia viscosa, galium aparine, galium spurium, geranium rotundifolium, limonium virgatum, melica ciliata, senecio inaequidens, suaeda vera, avena sterilis