| Name | Epidendrum rigidum var. angustisegmentum L. O. Williams |
| Authorship | L. O. Williams |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Epidendrum rigidum Jacquin |
| GUID | urn:lsid:ipni.org:names:92113-2 |
| Citation | 1946 Ann. Missouri Bot. Gard. 33: 371 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Epidendrum rigidum var. angustisegmentum L. O. Williams |
| Identification made in | [no date] (3) |