| Name | Mittenothamnium laxulum (E. B. Bartram) F. D. Bowers |
| Authorship | (E. B. Bartram) F. D. Bowers |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Mittenothamnium |
| Citation | 1970 J. Hattori Bot. Lab. 33: 25 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Mittenothamnium laxulum (E. B. Bartram) F. D. Bowers |
| Identification made in | 1968 (1) |