text: ptilostemon afer, cirsium candelabrum, hordeum murinum, lophiolepis eriophora, nigella arvensis, poterium sanguisorba, scrophularia canina, arenaria serpyllifolia, artemisia alba, bromus squarrosus, campanula lingulata, capsella bursa-pastoris, cichorium intybus, convolvulus arvensis, cynoglossum officinale, cynosurus echinatus, echium vulgare, erigeron canadensis, eryngium campestre, erysimum diffusum, euphorbia cyparissias, euphorbia myrsinites, herniaria hirsuta, hypericum perforatum, kickxia elatine, lotus corniculatus, onopordum acanthium, papaver rhoeas, scleranthus annuus, senecio vulgaris, verbascum eriophorum, verbena officinalis