| 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 |
| Pectis schottii (Fernald) Millsp. & Chase, 1904 |
| Pectis sinaloensis Fernald, 1897 |
| Pectis sinaloensis var. lancifolia Greenm., 1904 |
| Pectis sinaloensis var. sinaloensis Fernald, 1897 |
| Pectis stenophylla A. Gray, 1886 |
| Pectis stenophylla var. biaristata (Rydb.) D.J. Keil, 1977 |
| Pectis stenophylla var. gentryi D.J. Keil, 1977 |
| Pectis stenophylla var. puberula (Greenm.) D.J. Keil, 1977 |
| Pectis stenophylla var. rosei (Fernald) D.J. Keil, 1977 |
| Pectis stenophylla var. stenophylla A. Gray, 1886 |