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CCDB → Gymnosperms → Zamiaceae → Ceratozamia → Ceratozamia norstogii D. W. Stev.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Ceratozamia norstogii D. W. Stev. | Ceratozamia norstogii D. W. Stev. | 16 | IPCN online | Kokubugata, G. 2004. Mapping 5S ribosomal DNA on somatic chromosomes of four species of Ceratozamia and Stangeria eriopus (Cycadales). Bot. J. Linn. Soc. 145: 499–504. | ||
| ! | Ceratozamia norstogii D. W. Stev. | Ceratozamia norstogii D. W. Stev. | 16 | Rastogi2019 | Kokubugata G, Vovides AP, Kondo K. Mapping 5S ribosomal DNA on somatic chromosomes of four species of Ceratozamia and Stangeria eriopus (Cycadales). Bot J Linn Soc. 2004;145:499–504. ; Moretti A. Karyotype data on North and Central American Zamiaceae (Cycadales) and their phylogenetic implications. Am J Bot. 1990;77:1016–29. |