| Classification | Orchidaceae: Microstylis | 
| Harvard University Herbaria Barcode(s) | 00101745 | 
| Type Status | Isotype | 
| Collector | E. D. Merrill | 
| Collector number | 5818 | 
| Country | Philippines | 
| Geography | Asia: Southeast Asia (Region): Philippines | 
| Locality | Mount Halcon, forest, Mindoro Island, ca. 2400 feet | 
| Date Collected | 1906-11-** | 
| Elevation | 731 m | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9ec5024a-82ca-4ee7-9265-ae2b7694a1a2 | 
| Harvard University Herbaria Barcode | 00101745 | 
| Herbarium | AMES | 
| Family | Orchidaceae | 
| Type Status | Isotype | 
| Isotype of | Microstylis quadridentata Ames | 
| Verified by | G. A. Romero & I. Ferreras | 
| Date Determined | 2006-11-28 | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Microstylis quadridentata Ames) Philipp. J. Sci., C. 1907. 2: 320. | 
| Accession Number | AMES 9666 | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |