| Name | Hexastylis lewisii (Fernald) Blomq. & Oosting |
| Authorship | (Fernald) Blomq. & Oosting |
| Rank | Species |
| Placed in | Hexastylis |
| Holdings | 15 Specimens held in the Harvard University Herbaria identified as Hexastylis lewisii (Fernald) Blomq. & Oosting |
| Identification made in | [no date] (15) |