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CCDB → Angiosperms → Compositae → Othonna → Othonna retrorsa DC.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Othonna retrorsa DC. | Othonna retrorsa DC. | 20(1) | Asteracea | Nordenstam 1969 Botaniska Notiser | |||
| ! | Othonna retrorsa DC. | Othonna retrorsa DC. | 20 | IPCN67-71 | NORDENSTAM, B. 1969. Chromosome studies on South African vascular plants. Bot. Notiser 122: 398-408. |