| Name | Watsonia angusta (Linnaeus) Ker Gawler |
| Authorship | (Linnaeus) Ker Gawler |
| Rank | Species |
| Placed in | Watsonia Miller |
| Citation | 1804 Ann. Bot. [König & Sims]. 1(2): 230 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Watsonia angusta (Linnaeus) Ker Gawler |
| Identification made in | [no date] (1) |