| Name | Physidium gardneri Hooker |
| Authorship | Hooker |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Physidium |
| Citation | 1886 Ill. Dict. Gard. 3: 116 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Physidium gardneri Hooker |
| Identification made in | [no date] (1) |