1. Aytaç Z, Türkmen Z (2011) A new Onosma L. (Boraginaceae) species from Southern Anatolia, Turkey. Turk J Bot 35:269–274
2. Ball PW (1972) Onosma L. In: Tutin TG, Heywood VH (eds) Flora Europaea, vol 3. Cambridge University Press, Cambridge, pp 89–95
3. Binzet R, Orcan N (2003a) Morphological, anatomical and palynological study of Onosma bracteosum Hausskn. & Bornm. and Onosma mutabile Boiss. (Boraginaceae). Phytologia Balcanica 9(1):97–111
4. Binzet R, Orcan N (2003b) Morphological and palynological studies on Onosma roussaei DC. and Onosma giganteum Lam. (Boraginaceae). Herb J Bot 10(1):57–76
5. Binzet R, Orcan N (2007) A new species of Onosma L. (Boraginaceae) from Southern Turkey. Novon 17:8–10