| Classification | Fabaceae: Astragalus |
| Harvard University Herbaria Barcode(s) | 00283959 |
| Type Status | Syntype |
| Collector | H. N. Patterson |
| Country | United States of America |
| State | Colorado |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado |
| Locality | Grand River in Middle Park |
| Habitat | Along the banks |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/425d14c5-6557-45e4-b4ec-cca129273da9 |
| Harvard University Herbaria Barcode | 00283959 |
| Herbarium | GH |
| Family | Fabaceae |
| Type Status | Syntype |
| Syntype 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 |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | mounted with Lectotype of Astragalus haydenianus A.Gray, Brandegee 1285 (barcode 58761) |
