CCDB → Angiosperms → Poaceae → Stipa → Stipa joannis Celak.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Stipa joannis | Stipa joannis Celak. | 44 | Flora Europaea | Tarnavschi, 1948 | ||
| ! | Stipa joannis Celak. | Stipa joannis Celak. | 44 | IPCN online | Andreev, V. N. 1982. In IOPB chromosome number reports LXXVI. Taxon 31: 575–576. |