| Name | Tonestus lyallii (A. Gray) A. Nelson |
| Authorship | (A. Gray) A. Nelson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Tonestus A. Nelson |
| GUID | urn:lsid:ipni.org:names:1171601-2 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Tonestus lyallii (A. Gray) A. Nelson |
| Identification made in | [no date] (1), 2006 (2) |