| Name | Avenastrum longum var. grande Stapf |
| Authorship | Stapf |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Avenastrum longum Stapf |
| Citation | 1899 Fl. Cap. [Harvey] 7: 473 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Avenastrum longum var. grande Stapf |
| Identification made in | [no date] (1) |