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CCDB → Angiosperms → Boraginaceae → Onosma → Onosma helveticum Boiss.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Onosma helveticum Boiss. | Onosma helveticum Boiss. | 13+0--1B | 26+0--2B | IPCN online | Teppner, H. 1991. Karyology of some Greek Onosma species (Boraginaceae). Bot. Chron. (Patras) 10: 271–292. | ||
| Onosma helveticum Boiss. | Onosma helveticum Boiss. | 26 | IPCN online | Teppner, H. 1991. In. Mount. Fl. Greece 2: 26–39. | |||
| Onosma helveticum Boiss. | Onosma helveticum Boiss. | 26+2B | IPCN online | Baltisberger, M. & E. Baltisberger. 1995. Cytological data of Albanian plants. Candollea 50(2): 457–493. | |||
| Onosma helveticum Boiss. | Onosma helveticum Boiss. | 26 | IPCN online | Teppner, H. 1996. Die Onosma-Arten (Boraginaeceae---Lithospermeae) Rumäniens. Stapfia 45: 47–54. | |||
| ! | Onosma helveticum B. E. Teppner | Onosma helveticum Boiss. | 13 | 26 | IPCN67-71 | TEPPNER, HERWIG. 1971. Cytosystematik, bimodale Chromosomensatze und permanente Anorthoploidie bei Onosma (Boraginaceae). Oesterr. Bot. z. 119: 196-233. |