| Classification | Orchidaceae: Prescottia | 
| Harvard University Herbaria Barcode(s) | 00062173 | 
| Type Status | Isotype, Possible Isolectotype | 
| Collector | C. Osten | 
| Collector number | 22939b | 
| Country | Uruguay | 
| State | Canelones | 
| Geography | South America: South America (Region) (Region): Uruguay: Canelones | 
| Locality | La Floresta, in uliginosis dunarum greg. cop. | 
| Date Collected | 1933-10-23 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4345a04c-25f4-4e84-8bbf-bf5ab33cd05b | 
| Harvard University Herbaria Barcode | 00062173 | 
| Herbarium | AMES | 
| Family | Orchidaceae | 
| Type Status | Isotype | 
| Isotype of | Prescottia ostenii Pabst | 
| Verified by | W. T. Kittredge | 
| Date Determined | 1983 | 
| Taxon Reference | (for  Prescottia ostenii Pabst) Bradea 1980. 3, 7: 50. | 
| Family | Orchidaceae | 
| Type Status | Possible Isolectotype | 
| Possible Isolectotype of | Prescottia ostenii Pabst | 
| Verified by | K. Gandhi & I. Ferreras | 
| Date Determined | 2009-06-** | 
| Determination Remarks | C. O. Azevedo & Van den Berg are not considering this specimen as isolectotype based on that this material is marked "Osten 22939 b" and have not identification by Pabst [is a fragment] | 
| Taxon Reference | (for  Prescottia ostenii Pabst) Bradea 1980. 3, 7: 50. | 
| Family | Orchidaceae | 
| Determination | Prescottia ostenii Pabst | 
| Determined by | C. Vargas (MO) | 
| Date Determined | 1998-08-** | 
| Determination Remarks | [current name] | 
| Accession Number | AMES 39886 | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |