| Name | Spartina ×caespitosa A. A. Eaton | 
| Authorship | A. A. Eaton | 
| Rank | Species | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Spartina Schreber | 
| Citation | 1898 Bull. Torrey Bot. Club 25: 338 | 
| Citation | 1898 Bull. Torrey Bot. Club 25(6): 338 | 
| Holdings | 23 Specimens held in the Harvard University Herbaria identified as Spartina ×caespitosa A. A. Eaton | 
| Identification made in | [no date] (23) |