| Name | Gloeocystidiellum sinuosum G. W. Freeman |
| Authorship | G. W. Freeman |
| Rank | Species |
| Placed in | Gloeocystidiellum |
| Citation | 1981 Syst. Bot. 6(4): 426 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Gloeocystidiellum sinuosum G. W. Freeman |
| Identification made in | [no date] (1) |