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CCDB → Angiosperms → Compositae → Distephanus → Vernonia biafrae Oliv. & Hiern
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Vernonia biafrae Oliv. & Hiern | Distephanus biafrae (Oliv. & Hiern) H. Rob. | 18(1) | Asteracea | Morton, J. K. 1993 Opera Bot. | ||
| Vernonia biafrae Oliv. & Hiern | Distephanus biafrae (Oliv. & Hiern) H. Rob. | 9(1) | Asteracea | Olorode 1974 Bot. J. Linn. Soc. | |||
| Vernonia biafrae Oliv. & Hiern | Distephanus biafrae (Oliv. & Hiern) H. Rob. | 18 | IPCN online | Morton, J. K. 1993. Chromosome numbers and polyploidy in the flora of Cameroon Mountain. Opera Bot. 121: 159–172. | |||
| Vernonia biafrae Oliv. & Hiern | Distephanus biafrae (Oliv. & Hiern) H. Rob. | 9 | IPCN online | Gill, L. S. & D. I. Omoigui. 1992. Chromosome numbers in some Nigerian Compositae. Compositae Newslett. 20/21: 12–15. | |||
| Vernonia biafrae Oliv. & Hiern | Distephanus biafrae (Oliv. & Hiern) H. Rob. | 18 | IPCN online | Ayodele, M. S. 1999. Karyomorphological studies in some Nigerian species of Vernonia Schreb. (Asteraceae) with different growth forms. Feddes Repert. 110: 541–553. | |||
| Vernonia biafrae Oliv. & Hiern | Distephanus biafrae (Oliv. & Hiern) H. Rob. | 9 | 18 | IPCN online | Adegbite. 2004. Cytogenetic and phylogenetic studies in the genus Vernonia Schreb. Feddes Repert. 115(7–8): 513–518. |