| Name | Ligusticum filicinum var. tenuifolium (S. Watson) Mathias & Constance |
| Authorship | (S. Watson) Mathias & Constance |
| Rank | Variety |
| Placed in | Ligusticum filicinum S. Watson |
| GUID | urn:lsid:ipni.org:names:140042-2 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ligusticum filicinum var. tenuifolium (S. Watson) Mathias & Constance |
| Identification made in | 1939 (1) |