| Name | Billbergia ambigua (L. B. Smith & R. W. Read) J. C. Betancur & N. R. Salinas |
| Authorship | (L. B. Smith & R. W. Read) J. C. Betancur & N. R. Salinas |
| Rank | Species |
| Placed in | Billbergia Thunberg |
| Citation | 2006 Caldasia 28: 156 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Billbergia ambigua (L. B. Smith & R. W. Read) J. C. Betancur & N. R. Salinas |
| Identification made in | 2014 (2) |