| Name | Phragmotheca mammosa W. S. Alverson |
| Authorship | W. S. Alverson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Phragmotheca |
| GUID | urn:lsid:ipni.org:names:282736-2 |
| Citation | 1991 Brittonia 43: 79 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Phragmotheca mammosa W. S. Alverson |
| Identification made in | [no date] (2) |