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CCDB → Angiosperms → Onagraceae → Circaea → Circaea × intermedia Ehrh.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Circaea × intermedia Ehrh. | Circaea × intermedia Ehrh. | 22 | Poland Database | Skali?ska M., Jankun A., Wcis?o H. et al. 1971. Studies in chromosome numbers of Polish Angiosperms. Eighth contribution. Acta Biol. Cracov. Ser. Bot. 14, 55-102. | ||
| ! | Circaea × intermedia Ehrh. | Circaea × intermedia Ehrh. | 9II+r4,11 | 22,33 | IPCN online | Seavey, S. R. & D. E. Boufford. 1983. Observations of chromosomes in Circaea (Onagraceae). Amer. J. Bot. 70 : 1476–1481. | |
| ! | Circaea × intermedia Ehrh. | Circaea × intermedia Ehrh. | 22 | IPCN online | GERVAIS, C., R. Trahan & J. Gagnon. 1999. IOPB chromosome data 14. Newslett. Int. Organ. Pl. Biosyst. (Oslo) 30: 10–15. |