| Pyrrocoma apargioides (A. Gray) Greene |
Accepted |
6 |
| Pyrrocoma carthamoides Hook. |
Accepted |
6 |
| Pyrrocoma carthamoides var. cusickii (A. Gray) Kartesz & Gandhi |
Accepted |
6 |
| Pyrrocoma clementis Rydb. |
Accepted |
18 |
| Pyrrocoma crocea (A. Gray) Greene |
Accepted |
6 |
| Pyrrocoma hirta (A. Gray) Greene |
Accepted |
12 |
| Pyrrocoma insecticruris (L. F. Hend.) A. Heller |
Accepted |
18 |
| Pyrrocoma integrifolia (Porter) Greene |
Accepted |
6 |
| Pyrrocoma lanceolata (Hook.) Greene |
Accepted |
12 |
| Pyrrocoma lanceolata var. subviscosa (Greene) Mayes ex G. K. Br. & D. J. Keil |
Accepted |
6 |
| Pyrrocoma liatriformis Greene |
Accepted |
18 |
| Pyrrocoma lucida (D. D. Keck) Kartesz & Gandhi |
Accepted |
12 |
| Pyrrocoma racemosa var. paniculata (Nutt.) Kartesz & Gandhi |
Accepted |
6 |
| Pyrrocoma racemosa var. sessiliflora (Greene) Mayes ex G. K. Br. & D. J. Keil |
Accepted |
6 |
| Pyrrocoma radiata Nutt. |
Accepted |
18 |
| Pyrrocoma uniflora (Hook.) Greene |
Accepted |
6 |
| Haplopappus apargioides A. Gray |
Synonym of Pyrrocoma apargioides (A. Gray) Greene |
6 |
| Haplopappus carthamoides (Hook.) A. Gray |
Synonym of Pyrrocoma carthamoides Hook. |
6 |
| Pyrrocoma carthamoides var. carthamoides |
Synonym of Pyrrocoma carthamoides Hook. |
6 |
| Haplopappus clementis (Rydb.) S. F. Blake |
Synonym of Pyrrocoma clementis Rydb. |
18 |
| Pyrrocoma clementis var. clementis |
Synonym of Pyrrocoma clementis Rydb. |
18 |
| Haplopappus croceus A. Gray |
Synonym of Pyrrocoma crocea (A. Gray) Greene |
6 |
| Pyrrocoma crocea var. crocea |
Synonym of Pyrrocoma crocea (A. Gray) Greene |
6 |
| Haplopappus hirtus A. Gray |
Synonym of Pyrrocoma hirta (A. Gray) Greene |
12 |
| Pyrrocoma hirta var. hirta |
Synonym of Pyrrocoma hirta (A. Gray) Greene |
12 |
| Haplopappus insecticruris L. F. Hend. |
Synonym of Pyrrocoma insecticruris (L. F. Hend.) A. Heller |
18 |
| Haplopappus lanceolatus subsp. lanceolatus |
Synonym of Pyrrocoma lanceolata (Hook.) Greene |
12 |
| Pyrrocoma lanceolata var. lanceolata |
Synonym of Pyrrocoma lanceolata (Hook.) Greene |
12 |
| Haplopappus liatriformis (Greene) H. S. John |
Synonym of Pyrrocoma liatriformis Greene |
18 |
| Haplopappus racemosus (Nutt.) Torr. |
Synonym of Pyrrocoma racemosa (Nutt.) Torr. & A. Gray |
6 |
| Pyrrocoma racemosa var. racemosa |
Synonym of Pyrrocoma racemosa (Nutt.) Torr. & A. Gray |
6 |
| Haplopappus racemosus subsp. brachycephalus (A. Nelson) H. M. Hall |
Synonym of Pyrrocoma racemosa var. paniculata (Nutt.) Kartesz & Gandhi |
6 |
| Haplopappus racemosus subsp. glomeratus (Nutt.) H. M. Hall |
Synonym of Pyrrocoma racemosa var. paniculata (Nutt.) Kartesz & Gandhi |
6 |
| Haplopappus radiatus (Nutt.) Cronquist |
Synonym of Pyrrocoma radiata Nutt. |
18 |
| Pyrrocoma uniflora var. uniflora |
Synonym of Pyrrocoma uniflora (Hook.) Greene |
6 |
