T. Visnevschi-Necrasov, D. J. Harris, M. A. Faria, G. Pereira, and E. Nunes, “Short communication. Genetic diversity within Scorpiurus species from the Iberian Peninsula estimated using ITS DNA sequences”, Span. j. agric. res., vol. 9, no. 1, pp. 198-201, Mar. 2011.