| Name | Phascum cryptocarpum Müller Halle |
| Authorship | Müller Halle |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Phascum |
| Citation | 1896 Index Bryol. 912 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Phascum cryptocarpum Müller Halle |
| Identification made in | [no date] (1) |