| Name | Pyrrocoma racemosa var. sessiliflora (Greene) Mayes ex G. K. Brown & D. J. Keil |
| Authorship | (Greene) Mayes ex G. K. Brown & D. J. Keil |
| Rank | Variety |
| Placed in | Pyrrocoma racemosa (Nuttall) Torrey & A. Gray |
| Citation | 1992 Phytologia 73(1): 58 |
| Name | Pyrrocoma racemosa var. sessiliflora (Greene) Mayes ex G. K. Brown & D. J. Keil |
| Authorship | (Greene) Mayes ex G. K. Brown & D. J. Keil |
| Rank | Variety |
| Placed in | Pyrrocoma racemosa (Nuttall) Torrey & A. Gray |
| Citation | 1992 Phytologia 73(1): 58 |