| Name | Macrothamniella robbinsii E. B. Bartram | 
| Authorship | E. B. Bartram | 
| Rank | Species | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Macrothamniella | 
| Citation | 1962 Rev. Bryol. Lichenol. 30: 206 | 
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Macrothamniella robbinsii E. B. Bartram | 
| Identification made in | [no date] (1), 1985 (1), 1988 (1), 2013 (1) | 
