| Classification | Poaceae: Stipa | 
| Harvard University Herbaria Barcode(s) | 00024473 | 
| Type Status | Isotype | 
| Collector | C. H. Muller | 
| Collector number | 3261 | 
| Country | Mexico | 
| State | Coahuila | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila | 
| Locality | Dry shrub zones of lower canyon, Sierra de la Madera, Canon del Agua, Municipio de Cuatro Cienegas | 
| Date Collected | 1939-09-10 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1492d53e-dbc3-42cf-a9e0-f5f2795e513e | 
| Harvard University Herbaria Barcode | 00024473 | 
| Herbarium | GH | 
| Family | Poaceae | 
| Type Status | Isotype | 
| Isotype of | Stipa alta Swallen | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Stipa alta Swallen) Proc. Biol. Soc. Washington 1943. 56: 79. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |