T. Visnevschi-Necrasov, D. J. Harris, M. A. Faria, G. Pereira, and E. Nunes, “Short communication. Phylogeny and genetic diversity within Iberian populations of Ornithopus L. and Biserrula L. estimated using ITS DNA sequences T”, Span. j. agric. res., vol. 10, no. 1, pp. 149-154, Jan. 2012.