Tóth, Tamás, Arnold Szilágyi, and György Kövics. 2017. “Mass Occurrence of a Phoma-Like Fungus on Common Ragweed (Ambrosia Artemisiifolia) in Hajdúság Region, East Hungary”. Acta Agraria Debreceniensis, no. 71 (June):55-60. https://doi.org/10.34101/actaagrar/71/1573.