| Classification | Fabaceae: Pterophacos |
| Classification 1 | Fabaceae: Astragalus |
| Harvard University Herbaria Barcode(s) | 00056668 |
| Type Status | Holotype |
| Collector | M. E. Peck |
| Collector number | 3024 |
| Country | United States of America |
| State | Oregon |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oregon: Harney County |
| Locality | 2 miles southwest of Narrows, dry sandy bluff |
| Date Collected | 1912-07-04 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ad0b6ff5-4b24-4630-9ad1-6e4c11e9ec25 |
| Harvard University Herbaria Barcode | 00056668 |
| Herbarium | GH |
| Family | Fabaceae |
| Type Status | Holotype |
| Holotype of | Pterophacos cinerascens Rydberg |
| Taxon Reference | (for Pterophacos cinerascens Rydberg) N. Amer. Fl. 1929. 24: 309. |
| Family | Fabaceae |
| Determination | Astragalus tetrapterus A. Gray |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |