| Name | Antithamnion plumula var. paradoxa Schiffner |
| Authorship | Schiffner |
| Rank | Variety |
| Placed in | Antithamnion plumula (J. Ellis) Thuret |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Antithamnion plumula var. paradoxa Schiffner |
| Identification made in | [no date] (1) |