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CCDB → Angiosperms → Compositae → Eucephalus → Eucephalus engelmannii (D. C. Eaton) Greene
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Eucephalus engelmannii (D. C. Eaton) Greene | Eucephalus engelmannii (D. C. Eaton) Greene | 9(1) | Asteracea | Turner & F. 1966 Amer. J. Bot. | |||
| Eucephalus engelmannii (D. C. Eaton) Greene | Eucephalus engelmannii (D. C. Eaton) Greene | 9II(1) | Asteracea | Semple et al. 2001 Rhodora | |||
| ! | Aster engelmannii (D. C. Eaton) A. Gray | Eucephalus engelmannii (D. C. Eaton) Greene | 9II | IPCN online | Semple, J. C. 1985. Chromosome number determinations in fam. Compositae tribe Astereae. Rhodora 87: 517–527. | ||
| ! | Aster engelmannii (D. C. Eaton) A. Gray | Eucephalus engelmannii (D. C. Eaton) Greene | 18 | IPCN online | Semple, J. C. 1983. Range expansion of Heterotheca camporum (Compositae: Asteraceae) in the southeastern United States. Brittonia 35(2): 140–146. | ||
| ! | Aster engelmannii (D. C. Eaton) A. Gray | Eucephalus engelmannii (D. C. Eaton) Greene | 9 | IPCN online | Jones, A. G. & R. A. Smogor. 1984. Chromosome Number Reports LXXXII. Taxon 33: 126–134. | ||
| ! | Aster engelmannii (D. C. Eaton) A. Gray | Eucephalus engelmannii (D. C. Eaton) Greene | 9 | IPCN online | Hartman, R. L. 1977. In IOPB chromosome number reports LVI. Taxon 26: 257–274. | ||
| ! | Eucephalus engelmannii (D. C. Eaton) Greene | Eucephalus engelmannii (D. C. Eaton) Greene | 9II | IPCN online | Semple, J. C., C. Xiang, J. Zhang, M. Horsburgh & R. Cook. 2001. Chromosme number determinations in Fam. Compositae, tribe Astereae. VI. Western North American taxa and comments on generic treatments of North American asters. Rhodora 103: 202–218. | ||
| ! | Eucephalus engelmannii (D. C. Eaton) Greene | Eucephalus engelmannii (D. C. Eaton) Greene | 18 | eFlora |