| Pectis pringlei Fernald, 1897 |
| Pectis propetes Greenm., 1904 |
| Pectis propetes var. holochaeta S.F. Blake, 1935 |
| Pectis propetes var. propetes Greenm., 1904 |
| Pectis prostrata Cav., 1797 |
| Pectis prostrata var. cylindrica Fernald, 1897 |
| Pectis prostrata var. prostrata Cav., 1797 |
| Pectis prostrata var. urceolata Fernald, 1897 |
| Pectis puberula Greenm., 1904 |
| Pectis punctata Jacq., 1760 |
| Pectis purpurea Brandegee, 1905 |
| Pectis purpurea var. lancifolia (Greenm.) D.J. Keil, 1974 |
| Pectis purpurea var. purpurea Brandegee, 1905 |
| Pectis purpurea var. sonorae D.J. Keil, 1974 |
| Pectis repens Brandegee, 1906 |
| Pectis rosei Fernald, 1897 |
| Pectis rusbyi Greene ex A. Gray, 1884 |
| Pectis saturejoides (Mill.) Sch. Bip., 1856 |
| Pectis scabra Brandegee, 1905 |
| Pectis schaffneri Sch. Bip. ex Fernald, 1897 |