| Name | Phthirusa siegeri Leonard |
| Authorship | Leonard |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Phthirusa |
| GUID | urn:lsid:ipni.org:names:551298-1 |
| Citation | 1927 J. Wash. Acad. Sci. 17: 65 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Phthirusa siegeri Leonard |
| Identification made in | [no date] (1), 2018 (1) |
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