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CCDB → Angiosperms → Boraginaceae → Symphytum → Symphytum ottomanum Friv.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Symphytum ottomanum Friv. | Symphytum ottomanum Friv. | 20 | Flora Europaea | Markova & Ivanova, | ||
| ! | Symphytum ottomanum F. ~ | Symphytum ottomanum Friv. | 18 | Kamari Mediterranean | |||
| Symphytum ottomanum Friv. | Symphytum ottomanum Friv. | 20 | IPCN online | Strid, A. 1983. In IOPB chromosome number reports LXXVIII. Taxon 32: 138–140. | |||
| Symphytum ottomanum Friv. | Symphytum ottomanum Friv. | 20 | IPCN online | Van Loon, J. C. & J. J. M. H. OUDEMANS. 1982. In IOPB chromosome number reports LXXV. Taxon 31: 343–344. | |||
| Symphytum ottomanum Friv. | Symphytum ottomanum Friv. | 20, 40 | IPCN online | Strid, A. & I. A. Andersson. 1985. Chromosome numbers of Greek mountain plants. An annotated list of 115 species. Bot. Jahrb. Syst. 107: 203–228. | |||
| Symphytum ottomanum Friv. | Symphytum ottomanum Friv. | 18, 20, 22 | IPCN online | Markova, M. & V. Goranova. 1995. Mediterranean chromosome number reports 5 (435--473). Fl. Medit. 5: 289–317. | |||
| Symphytum ottomanum Friv. | Symphytum ottomanum Friv. | 48 | IPCN online | Gadella, T. W. J. & E. Kliphuis. 1978. Cytotaxonomic studies in the genus Symphyrum. VIII. Chromosome numbers and classification of ten European species. Proc. Kon. Ned. Akad. Wetensch., C 81: 162–172. | |||
| Symphytum ottomanum Friv. | Symphytum ottomanum Friv. | 20 | IPCN online | Coppi, A. 2006. Chromosome studies in Mediterranean species of Boraginaceae. Fl. Medit. 16: 253–274. | |||
| Symphytum ottomanum Friv. | Symphytum ottomanum Friv. | 18 | Fedorov, 1974 | Tarnavschi 1948 |