| Classification | Fabaceae: Astragalus |
| Harvard University Herbaria Barcode(s) | 00058761 |
| Type Status | Lectotype |
| Collector | T. S. Brandegee |
| Collector number | 1285 |
| Country | United States of America |
| State | Colorado |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado |
| Locality | S.W. Colorado, 8,000 feet |
| Date Collected | 1875 |
| Elevation | 2438 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/93a62657-27c9-4843-bc2b-ed74db504083 |
| Harvard University Herbaria Barcode | 00058761 |
| Herbarium | GH |
| Family | Fabaceae |
| Type Status | Lectotype |
| Lectotype of | Astragalus haydenianus A. Gray |
| Verified by | W. T. Kittredge |
| Date Determined | 2009 |
| Taxon Reference | (for Astragalus haydenianus A. Gray) Bull. Geol. Geogr. Surv. Territories 1876. 2: 235. |
| Family | Fabaceae |
| Determination | Astragalus bisulcatus var. haydenianus (A. Gray) Barneby |
| Determined by | W. T. Kittredge |
| Date Determined | 2009 |
| Determination Remarks | [current name] |
| Family | Fabaceae |
| Determination | Astragalus haydenianus A. Gray |
| Determination Remarks | written on sheet [label name] |
| Annotation Text | n. sp. |
| Sex | not determined |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [mounted with Syntype of Astragalus haydenianus A.Gray, Patterson s.n. (barcode 283959)] |
