| Name | Osmorhiza aristata var. laxa (Royle) L. Constance & R. H. Shan |
| Authorship | (Royle) L. Constance & R. H. Shan |
| Rank | Variety |
| Placed in | Osmorhiza aristata (Thunberg ex Murray) Rydberg |
| GUID | urn:lsid:ipni.org:names:177037-2 |
| Citation | 1948 Univ. Calif. Publ. Bot. 23(3): 130 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Osmorhiza aristata var. laxa (Royle) L. Constance & R. H. Shan |
| Identification made in | [no date] (1), 1962 (1), 2022 (1) |