Kahraman, A., F. Celep, and M. Dogan. “Comparative Morphology, Anatomy and Palynology of Two <i>Salvia</i> L. Species (Lamiaceae) and Their Taxonomic Implications”. Bangladesh Journal of Plant Taxonomy, vol. 16, no. 1, June 2009, pp. 73-82, doi:10.3329/bjpt.v16i1.2749.