| Name | Fimbristylis diphylla subsp. diffusa D. B. Ward |
| Authorship | D. B. Ward |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Fimbristylis diphylla (Retzius) Vahl |
| GUID | urn:lsid:ipni.org:names:104940-2 |
| Citation | 1968 Castanea 33: 127 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Fimbristylis diphylla subsp. diffusa D. B. Ward |
| Identification made in | [no date] (1) |