| Classification | Fabaceae: Astragalus |
| Barcode(s) | 00277344 |
| Type Status | Isosyntype |
| Collector | S. Watson |
| Collector number | 265 |
| Country | United States of America |
| State | Nevada |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Nevada |
| Locality | Havallal Mountains, 7000 feet alt. |
| Date Collected | 1868-06-** |
| Elevation | 2133 - 0 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/04c9b783-b673-4bcc-8d63-8c3620b162d6 |
| Harvard University Herbaria Barcode | 00277344 |
| Herbarium | GH |
| Family | Fabaceae |
| Type Status | Isosyntype |
| Isosyntype of | Astragalus atratus S. Watson |
| Taxon Reference | (for Astragalus atratus S. Watson) Botany [Fortieth Parallel] 1871. 69. |
| Family | Fabaceae |
| Determination | Astragalus obscurus S. Watson |
| Determined by | R. C. Barneby |
| Date Determined | 1960 |
| Determination Remarks | pencilled on sheet [current name] |
| Family | Fabaceae |
| Determination | Astragalus atratus S. Watson |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | Mounted with S. Watson 265, Toyabe Mts. (barcode 58659) and S. Watson 265, Pah-Ute Mts. (barcode 58658) |