| Classification | Orchidaceae: Pleurothallis |
| Harvard University Herbaria Barcode(s) | 00074357 |
| Type Status | Holotype |
| Collector | O. Nagel |
| Collector number | 2249 |
| Country | Mexico |
| State | Michoacán |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Michoacán |
| Locality | Barranca de la Mina, S.E. of Urnapan, 1300 m alt |
| Date Collected | 1933-04-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8247e89a-f0b3-43ea-80d8-62a50c0f1ad5 |
| Harvard University Herbaria Barcode | 00074357 |
| Herbarium | AMES |
| Family | Orchidaceae |
| Type Status | Holotype |
| Holotype of | Pleurothallis involuta L. O. Williams |
| Verified by | A. Espejo & A. R. Lopez Ferrari |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Pleurothallis involuta L. O. Williams) Bot. Mus. Leafl. 1946. 12: 239. |
| Accession Number | AMES 51956 |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
