| Fonna andicola (Britton) Lunell | Phlox andicola (Britton) E.E.Nelson Microphlox, Multiflorae |
| Fonna hoodii (Richardson) Nieuwl. & Lunell | Phlox hoodii Richardson Microphlox, Canescentes |
| Fonna kelseyi (Britton) Nieuwl. & Lunell | Phlox kelseyi Britton Microphlox, Sibiricae |