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CCDB → Angiosperms → Plantaginaceae → Pseudorontium → Pseudorontium cyathiferum (Benth.) Rothm.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Antirrhinum cyathiferum Benth. | Pseudorontium cyathiferum (Benth.) Rothm. | 13 | IPCN online | Thompson, D. M. 1988. Systematics of Antirrhinum (Scrophulariaceae) in the New World. Syst. Bot. Monogr. 22: 1–142. | |||
| Antirrhinum cyathiferum Benth. | Pseudorontium cyathiferum (Benth.) Rothm. | 13 | IPCN73-74 | JACKSON, D.M., & R. SPELLENBERG. 1973. In IOPB chromosome number reports XLII. Taxon 22: 647-654. |