| | |
| Phlox aciculifolia | Phlox austromontana Coville Microphlox, Canescentes |
| Phlox amplexicaulis | Phlox pulcherrima (Lundell) Lundell Protophlox, Divaricatae |
| Phlox argillacea | Phlox pilosa L. Protophlox, Divaricatae |
| Phlox aristata | Phlox pilosa L. Protophlox, Divaricatae |
| Phlox aristata | Phlox subulata L. Alphaphlox, Subulatae |
| Phlox azurea | Phlox diffusa Benth. Microphlox, Canescentes |
| Phlox bernardina | Phlox dolichantha A.Gray Alphaphlox, Longifoliae |
| Phlox brevistylis | Phlox nana Nutt. Protophlox, Nanae |
| Phlox brittonii | Phlox subulata L. Alphaphlox, Subulatae |
| Phlox bryoides | Phlox muscoides Nutt. Microphlox, Canescentes |
| Phlox caesia | Phlox gladiformis (M.E.Jones) E.E.Nelson Microphlox, Aculeatae |
| Phlox caldriana | Phlox carolina L. Alphaphlox, Ovatae |
| Phlox canadensis | Phlox divaricata L. Protophlox, Divaricatae |
| Phlox caroliniana | Phlox carolina L. Alphaphlox, Ovatae |
| Phlox cernua | Phlox longifolia Nutt. Alphaphlox, Longifoliae |
| Phlox crassifolia | Phlox stolonifera Sims Alphaphlox, Stoloniferae |
| Phlox dasyphylla | Phlox multiflora A.Nelson Microphlox, Multiflorae |
| Phlox dejecta | Phlox covillei E.E.Nelson Microphlox, Caespitosae |
| Phlox gilioides | Phlox tenuifolia E.E.Nelson Protophlox, Tenuifoliae |
| Phlox glomerata | Phlox divaricata L. Protophlox, Divaricatae |
| Phlox gooddingii | Phlox gladiformis (M.E.Jones) E.E.Nelson Microphlox, Aculeatae |
| Phlox grayi | Phlox longifolia Nutt. Alphaphlox, Longifoliae |
| Phlox hentzii | Phlox nivalis G.Lodd. ex Sweet Protophlox, Speciosae |
| Phlox hookeri | Linanthus hookeri (Douglas ex Hook.) P.M.Sl. |
| Phlox involucrata | Phlox amoena Sims Protophlox, Divaricatae |
| Phlox latifolia | Phlox ovata L. Alphaphlox, Ovatae |
| Phlox longituba | Phlox dolichantha A.Gray Alphaphlox, Longifoliae |
| Phlox lutescens | Phlox austromontana Coville Microphlox, Canescentes |
| Phlox montana | Phlox ovata L. Alphaphlox, Ovatae |
| Phlox nitida | Phlox carolina L. Alphaphlox, Ovatae |
| Phlox nuttalliana | Phlox floridana Benth. Protophlox, Divaricatae |
| Phlox nuttallii | Phlox floridana Benth. Protophlox, Divaricatae |
| Phlox patula | Phlox multiflora A.Nelson Microphlox, Multiflorae |
| Phlox pinifolia | Phlox austromontana Coville Microphlox, Canescentes |
| Phlox piperi | Phlox caespitosa Nutt. Microphlox, Caespitosae |
| Phlox planitiarum | Phlox andicola (Britton) E.E.Nelson Microphlox, Multiflorae |
| Phlox procumbens | Phlox amoena Sims Protophlox, Divaricatae |
| Phlox prostrata | Phlox stolonifera Sims Alphaphlox, Stoloniferae |
| Phlox reptans | Phlox stolonifera Sims Alphaphlox, Stoloniferae |
| Phlox sabinii | Phlox speciosa Pursh Protophlox, Speciosae |
| Phlox setacea | Phlox subulata L. Alphaphlox, Subulatae |
| Phlox sevorsa | Phlox alyssifolia Greene Microphlox, Albomarginata |
| Phlox stansburyi | Phlox longifolia Nutt. Alphaphlox, Longifoliae |
| Phlox triflora | Phlox ovata L. Alphaphlox, Ovatae |
| Phlox vernalis | Phlox divaricata L. Protophlox, Divaricatae |
| Phlox walteri | Phlox amoena Sims Protophlox, Divaricatae |
| Phlox wherryi | Phlox andicola (Britton) E.E.Nelson Microphlox, Multiflorae |
| Phlox whitedii | Phlox speciosa Pursh Protophlox, Speciosae |