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CCDB → Angiosperms → Campanulaceae → Porterella
| Taxon name | Status | Median (n) |
| Porterella carnosula (Hook. & Arn.) Torr. | Accepted | 11 |
| Laurentia carnosula (Hook. & Arn.) Benth. ex A. Gray | Synonym of Porterella carnosula (Hook. & Arn.) Torr. | 11 |