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| Family | Apocynaceae |
| Basionym | Asclepias hallii A. Gray |
| Original Identification | n/a |
| Current Taxon | Asclepias hallii A. Gray |
| Protologue Citation | Proceedings of the American Academy of Arts and Sciences 12: 69. 1877. |
| Holotype/Isotype | Isotype |
| DUKE Accession Number | 345326 |
| Comments | |
| Primary Collector | E. Hall & J. P. Harbour |
| Collector Number | 480 |
| Collection Date | 1862 |
| Country | United States |
| Province/State | Colorado |
| Plant Location Notes | Rocky Mountain Flora, Lat. 39-40. |
| Plant Description Notes | n/a |
| DUKE Barcode | DUKE 0000100 |
| Broad geographical location | North America |
