Sheludyakova, M. B., and A. V. Fateryga. “On the Distribution and Intraspecific Taxonomy of Scrophularia Olympica Boiss. (Scrophulariaceae)”. Turczaninowia, Vol. 18, no. 3, Oct. 2015, pp. 66–74, doi:10.14258/turczaninowia.18.3.2.