| Parosela purpusi (Brandegee) Rose, 1906 |
| Parosela radicans (S. Watson) Rose, 1905 |
| Parosela reclinata (Cav.) Rydb., 1920 |
| Parosela revoluta (Watson) Rose, 1906 |
| Parosela roseiflora Rydb., 1920 |
| Parosela roseola Rydb., 1920 |
| Parosela rubescens (S. Watson) Vail, 1894 |
| Parosela rubricaulis Rose ex Rydb., 1920 |
| Parosela saffordii Rose, 1909 |
| Parosela sanctae-crucis Rydb., 1920 |
| Parosela scandens (Mill.) Rydb., 1920 |
| Parosela sericea (Lag.) Rose, 1906 |
| Parosela sericocalyx Rydb., 1920 |
| Parosela sessilis (A. Gray) Rydb., 1920 |
| Parosela spiciformis Rose, 1905 |
| Parosela submontana Rose, 1905 |
| Parosela thouinii (Schrank) Rydb., 1920 |
| Parosela thyrsiflora (A. Gray) Vail, 1897 |
| Parosela townsendii Rydb., 1920 |
| Parosela triphylla (Sessé & Moc.) J.F. Macbr., 1922 |