| Classification | Poaceae: Ectosperma | 
| Classification 1 | Poaceae: Swallenia | 
| Harvard University Herbaria Barcode(s) | 00341022 | 
| Collector | J. C. Roos | 
| Collector number | 6365 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Inyo County | 
| Locality | west side Eureka Valley at mouth of Marble Canyon. | 
| Date Collected | 1955-05-13 | 
| Verbatim Elevation | 3400 ft. | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/72510b4b-4e36-4d17-8260-2f15bf759688 | 
| Harvard University Herbaria Barcode | 00341022 | 
| Herbarium | GH | 
| Family | Poaceae | 
| Determination | Ectosperma alexandrae Swallen | 
| Determination Remarks | [current name] | 
| Family | Poaceae | 
| Determination | Swallenia alexandrae (Swallen) Soderstrom & H. F. Decker | 
| Determination Remarks | [filed under] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |