| Name | Lygistum tenue Britton ex Rusby |
| Authorship | Britton ex Rusby |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Lygistum |
| Citation | 1896 Mem. Torrey Bot. Club 6: 45 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Lygistum tenue Britton ex Rusby |
| Identification made in | [no date] (2) |