Almasi, M. & Ranjbar, M. 2015: Onosma maculata sp. nov. (Boraginaceae) from Iran. -Nordic Journal of Botany 33: 522-525.
Attar, F. & Hamzeh’ee, B. 2007: Onosma bisotunensis (Boraginaceae), a new species from Western Iran. -Novon 17: 279-281.
Attar, F. & Joharchi, M.R. 2007: Onosma khorassanica, a new species from northeast of Iran. -Rostaniha 7: 111-114.
Binzet, R. 2016: A new species of Onosma L. (Boraginaceae) from Anatolia. -Turkish Journal of Botany 40: 194-200.
Boissier, E. P. 1879: Flora orientalis, vol. 4. -Basel & Genève, 1276 pp.
Candolle, A. P. de. 1846: Prodromus systematicis naturalis regni vegetabilis, vol. 10. -Victoris Masson, Paris, 679 pp.
Ghahreman, A. & Attar, F. 1996: A new species of the genus Onosma from W. Iran. -Iranian Journal of Botany 7: 51-55.
Khatamsaz, M. 2002: Boraginaceae. In: Assadi, M., Maassoumi, A. A. & Khatamsaz, M. (Eds.), Flora of Iran, vol. 39. -Research Institute of Forests and Rangelands, Tehran.
Kolarčik, V., Zozomová-Lihová, J. & Mártonfi, P. 2010: Systematics and evolutionary history of the Asterotricha group of the genus Onosma (Boraginaceae) in central and southern Europe inferred from AFLP and nrDNA ITS data. -Plant systematics and evolution 290: 21-45.
Kolarčik, V., Zozomová-Lihová, J., Ducár, E. & Mártonfi, P. 2014: Evolutionary significance of hybridization in Onosma (Boraginaceae): analyses of stabilized hemisexual odd polyploids and recent sterile hybrids. -Biological Journal of the Linnean Society 112: 89-107.
Kolarčik, V., Ducár, E. & Kačmárová, T. 2015: Patterns of pollen stainability in polyploids of the genus Onosma (Boraginaceae). -Plant Ecology and Evolution 148: 76-89.
Mehrabian, A. R. & Mozaffarian, V. 2018: Seven New Species of Onosma L. (Boraginaceae) with emphasis on their habitats in Iran. -Taiwania 63 (4): 366-388.
Mehrabian, A. R., Sheidai, M. & Mozaffarian, V. 2013: Three new species of Onosma L. (Boraginaceae) from Iran. -Feddes Repertorium 124: 69-79.
Naqinezhad, A. & Attar, F. 2016: Onosma ghahremanii sp. nov. (Boraginaceae), a new species from Alborz Mts., Iran. -Phytotaxa 268 (4): 286-290.
Ponert, J. 1973: A new species of Onosma from Iran. -Preslia 45: 140-141.
Popov, M. 1953: Boraginaceae. In: Komarov, V. L., Shishkin, B.K. & Bobrov, E. G. (Eds.), Flora USSR, vol. 19. -Izdatelstvo Akademii Nauk USSR, Leningrad, pp. 259-319.
Popov, M. 1951: Notulae systematicae ex Herbaria Instituti botanici nomine V.L. Komarovii Academiae Scientiarum U.R.S.S.
Riedl, H. 1967: Boraginaceae. In: Rechinger, K. H. (Ed.), Flora Iranica, vol. 48. -Akademische Druck-und Verlagsanstalt, Graz, pp. 1-281.
Riedl, H. 1978: Onosma (Boraginaceae). In: Davis, P. H. (ed.), Flora of Turkey and the east Aegean Islands, vol. 6. -Edinburgh University Press, Edinburgh, pp. 326-376.
Saman, A. A. 2014: Onosma hawramanensis (Boraginaceae), a new species from Kurdistan, Iraq. -Harvard papers in Botany 19 (2): 201-202.
Teppner, H. 1991: Onosma. In: Strid, A. & Tan, K. (Eds.), Mountain flora of Greece, vol. 2. -Edinburgh University Press, Edinburgh, pp. 26-39.
)
