| Name | Meconopsis sulphurea subsp. gracilifolia Grey-Wilson |
| Authorship | Grey-Wilson |
| Rank | Subspecies |
| Placed in | Meconopsis sulphurea Grey-Wilson |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Meconopsis sulphurea subsp. gracilifolia Grey-Wilson |
| Identification made in | 2018 (2) |