| Name | Oxalis johnstoni R. Knuth |
| Authorship | R. Knuth |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Oxalis |
| Citation | 1930 Pflanzenr. [Engler] 4, Fam. 130: 189 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Oxalis johnstoni R. Knuth |
| Identification made in | 1982 (1) |