| Parosela erythrorhiza (Greenm.) Rose, 1906 |
| Parosela exserta Rydb., 1920 |
| Parosela eysenhardtioides (Hemsl.) Rose, 1906 |
| Parosela filiciformis (B.L. Rob. & Greenm.) Rose, 1905 |
| Parosela filiformis (A. Gray) A. Heller, 1900 |
| Parosela formosa (Torr.) Vail, 1894 |
| Parosela gaumeri Standl., 1930 |
| Parosela gigantea Rose ex Rydb., 1920 |
| Parosela glabrescens Rydb., 1920 |
| Parosela goldmanii Rose, 1905 |
| Parosela gracilis (Kunth) Rose, 1906 |
| Parosela gracillima (S. Watson) Rose, 1905 |
| Parosela greenmaniana Rose, 1905 |
| Parosela holwayi Rose, 1905 |
| Parosela humilis (Mill.) Rydb., 1920 |
| Parosela inconspicua (Schauer) Rose, 1906 |
| Parosela involuta Rydb., 1920 |
| Parosela jamesii (Torr.) Vail, 1897 |
| Parosela lachnostachys (A. Gray) A. Heller, 1900 |
| Parosela lagopus Cav., 1802 |