| Asteraceae | |
Pyrrocoma racemosa var. congesta
| (Greene) Mayes ex G.K. Br. & D.J. Keil | Phytologia 73(1): 58 | 1992 |
| Asteraceae | |
Pyrrocoma racemosa var. paniculata
| (Nutt.) Kartesz & Gandhi | Phytologia 71(1): 61 | 1991 |
| Asteraceae | |
Pyrrocoma racemosa var. pinetorum
| (D.D. Keck) Kartesz & Gandhi | Phytologia 71(1): 61 | 1991 |
| Asteraceae | |
Pyrrocoma racemosa var. racemosa
| | | |
| Asteraceae | |
Pyrrocoma racemosa var. sessiliflora
| (Greene) Mayes ex G.K. Br. & D.J. Keil | Phytologia 73(1): 58 | 1992 |
| Asteraceae | |
Pyrrocoma racemosa var. virgata
| Mayes | | |