| Name | Ectropothecium siamense Dixon |
| Authorship | Dixon |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Ectropothecium |
| Citation | 1924 Bull. Torrey Bot. Club 51: 240 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ectropothecium siamense Dixon |
| Identification made in | [no date] (1) |