| Classification | Iridaceae: Sphenostigma | 
| Harvard University Herbaria Barcode(s) | 00031365 | 
| Type Status | Holotype | 
| Collector | G. B. Hinton | 
| Collector number | 4614 | 
| Country | Mexico | 
| State | México | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: México | 
| Locality | Crucero Agua Blanca; District of Temascaltepec | 
| Date Collected | 1933-08-30 | 
| Verbatim Elevation | 3170 m | 
| Habitat | llano | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8cfe86b8-68b9-4dee-ad2a-662b6e60d49b | 
| Harvard University Herbaria Barcode | 00031365 | 
| Herbarium | GH | 
| Family | Iridaceae | 
| Type Status | Holotype | 
| Holotype of | Sphenostigma longispathum var. filiforme R. C. Foster | 
| Verified by | H. G. Bedell | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Sphenostigma longispathum var. filiforme R. C. Foster) Contr. Gray Herb. 1945. 155: 13. | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |