| Name | Xyris baldwiniana var. tenuifolia (Chapman) Malme |
| Authorship | (Chapman) Malme |
| Rank | Variety |
| Placed in | Xyris baldwiniana Schultes |
| Citation | 1937 Bull. Torrey Bot. Club 64: 45 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Xyris baldwiniana var. tenuifolia (Chapman) Malme |
| Identification made in | 1960 (1), 2024 (1) |