| Name | Gladiolus quadrangulus Barnard |
| Authorship | Barnard |
| Rank | Species |
| Placed in | Gladiolus Linnaeus |
| Citation | 1970 J. S. African Bot. 36: 300 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Gladiolus quadrangulus Barnard |
| Identification made in | [no date] (1) |
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