| Name | Sisyrinchium alatum var. angustissimum B. L. Robinson & Greenman |
| Authorship | B. L. Robinson & Greenman |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Sisyrinchium alatum Hooker |
| Citation | 1895 Amer. J. Sci. 50: 166 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Sisyrinchium alatum var. angustissimum B. L. Robinson & Greenman |
| Identification made in | [no date] (2) |
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