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CCDB → Angiosperms → Scrophulariaceae → Scrophularia → Scrophularia smithii
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Scrophularia smithii | Scrophularia smithii Hornem. | 29 | 58 | IPCN online | Dalgaard, V. 1979. Biosystematics of the Macaronesian species of Scrophularia. Opera Bot. 51: 1–64. | |
| Scrophularia smithii Hornem. | Scrophularia smithii Hornem. | 58 | IPCN online | Borgen, L. 1980. Chromosome numbers of Macaronesian flowering plants III. Bot. Macaronés. IV, Cien. 7: 67–76. | |||
| ! | Scrophularia smithii Hornem. | Scrophularia smithii Hornem. | 30 | IPCN67-71 | VAARAMA, A., & R. LEIKAS. 1970. In IOPB chromosome number reports XXVI. Taxon 19: 264-269. | ||
| Scrophularia smithii Hornem. | Scrophularia smithii Hornem. | 20 | IAPT/IOPB | IAPT/IOPB Chromosome Data 26 |