it, siena, papaver rhoeas, catapodium rigidum, sherardia arvensis, anthemis arvensis, avena barbata, poa bulbosa, convolvulus arvensis, trifolium campestre, trifolium stellatum, lolium rigidum, lysimachia arvensis, trifolium scabrum, eryngium campestre, medicago minima, dactylis glomerata, crepis sancta, plantago lanceolata, bromus madritensis, achyrophorus valdesii, hordeum murinum, bromus sterilis, daucus carota, tordylium apulum, avena sterilis, coronilla scorpioides, convolvulus cantabrica, poterium sanguisorba, carduus pycnocephalus, sonchus asper, vicia sativa, petrorhagia prolifera, silene vulgaris, bromus hordeaceus, medicago orbicularis, chondrilla juncea, euphorbia helioscopia, arenaria leptoclados, carthamus lanatus, scandix pecten-veneris, medicago rigidula, clinopodium nepeta, salvia verbenaca, geranium molle, centaurea solstitialis, rumex pulcher, cynosurus echinatus, foeniculum vulgare, senecio vulgaris, reichardia picroides, crepis foetida