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CCDB → Angiosperms → Compositae → Centaurea → Centaurea americana Nutt.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Centaurea americana Nutt. | Centaurea americana Nutt. | 26(1) | Asteracea | Smith, E.. B. 1969 Taxon | |||
| Plectocephalus americanus (Nutt.) D. Don | Centaurea americana Nutt. | 13, 12, 11, 10(1, 1, 1, 1) | 19, 23, 24, 25(1, 1, 1, 1) | Asteracea | Dey & S. 1967 Fol. Biol. Polsk. Acad. Nauk. | ||
| ! | Centaurea americana Nutt. | Centaurea americana Nutt. | 26 | IPCN online | Hellwig, F. H. 1994. Chromosomenzahlen aus der Tribus Cardueae (Compositae). Willdenowia 24: 219–248. | ||
| Centaurea americana Nutt. | Centaurea americana Nutt. | 26 | IPCN67-71 | SMITH, E.B. 1969. In IOPB chromosome number reports XXII. Taxon 18: 433-442. | |||
| Centaurea americana Nutt. | Centaurea americana Nutt. | "19, 23, 24-6" | IPCN67-71 | DEY, D., & A. K. SHARMA. 1967. Chromosome studies in the genus Centaurea. Fol. Biol. Polsk. Akad. Nauk. 15: 191-207. | |||
| ! | Plectocephalus americanus (Nutt.) D. Don | Centaurea americana Nutt. | 26 | eFlora |