| Periptera ctenotricha Fryxell, 1984 |
| Periptera lobelioides Fryxell & S.D. Koch, 1987 |
| Periptera macrantha (Hochr.) Bullock, 1937 |
| Periptera macrostelis Rose, 1899 |
| Periptera periptera (Sims) Rose, 1899 |
| Periptera punicea (Lag.) DC., 1824 |
| Periptera trichostemon Bullock, 1937 |
| Phymosia Desv. ex Ham., 1825 |
| Phymosia anomala Fryxell, 1972 |
| Phymosia crenulata (Brandegee) Fryxell, 1971 |
| Phymosia floribunda (Schltdl.) Fryxell, 1971 |
| Phymosia pauciflora (Baker f.) Fryxell, 1971 |
| Phymosia rosea (DC.) Kearney, 1949 |
| Phymosia rzedowskii Fryxell, 1971 |
| Phymosia umbellata (Cav.) Kearney, 1949 |
| Physodium C. Presl, 1835 |
| Physodium adenodes (Goldberg) Fryxell, 2001 |
| Physodium corymbosum C. Presl, 1835 |
| Physodium dubium Hemsl., 1878 |
| Pseudabutilon R.E. Fr., 1908 |