carduus nigrescens, cirsium vulgare, lophiolepis echinata, marrubium supinum, avena barbata, bromus hordeaceus, bromus sterilis, bromus tectorum, catapodium rigidum, euphorbia segetalis, mantisalca salmantica, rubus ulmifolius, santolina chamaecyparissus, verbascum thapsus, aegilops geniculata