Abaszade, M., M. Sheidai, N. Azizi, and F. Koohdar. “Genetic and Morphological Variability in Medicinal Plant Helichrysum Oocephalum Boiss. (Asteraceae) in Iran”. Hacquetia, vol. 19, no. 2, Mar. 2020, pp. 317–324, https://ojs.zrc-sazu.si/hacquetia/article/view/7024.