| Name | Aulacopilum tumidulum Thwaites & Mitten |
| Authorship | Thwaites & Mitten |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Aulacopilum |
| Citation | 1873 J. Linn. Soc., Bot. 13: 307 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Aulacopilum tumidulum Thwaites & Mitten |
| Identification made in | [no date] (1), 2011 (1) |