| Name | Calyptridium monandrum Nuttall |
| Authorship | Nuttall |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Calyptridium Nuttall |
| GUID | urn:lsid:ipni.org:names:698593-1 |
| Citation | 1838 Fl. N. Amer. [Torr. & A. Gray] 1(2): 198 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Calyptridium monandrum Nuttall |
| Identification made in | [no date] (4), 2008 (2) |