| Name | Sisyrinchium langloisii Greene |
| Authorship | Greene |
| Rank | Species |
| Placed in | Sisyrinchium Linnaeus |
| Citation | 1899 Pittonia 4(20D): 32 |
| Holdings | 43 Specimens held in the Harvard University Herbaria identified as Sisyrinchium langloisii Greene |
| Identification made in | [no date] (41), 1934 (1), 1957 (1) |