| Name | Billbergia horrida Regel |
| Authorship | Regel |
| Rank | Species |
| Placed in | Billbergia Thunberg |
| Citation | 1857 Index Seminum [St. Petersburg (Petropolitanus)] 1856: 17. |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Billbergia horrida Regel |
| Identification made in | [no date] (1), 1933 (1), 1934 (1), 1939 (2) |
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