With over 70 species, Phlox is the largest genus in Polemoniaceae. It is almost entirely native to North America, although one species, P. sibirica, also occurs in Asia. The genus is taxonomically complex. Some of this complexity, especially in the mat-forming species of western North America may be the result of recurrent polyploidy in the genus.
Biogeography
While not displayed on this map, Phlox also occurs in Siberia.
Taxonomy
- Phlox aculeata A. Nels.
- Phlox adsurgens Torr.
- Phlox albomarginata M.E. Jones
- P. albomaginata M.E. Jones subsp. albomarginata
- P. albomaginata M.E. Jones subsp. diapensioides (Rydb.) Wherry
- Phlox alyssifolia Greene
- Phlox amabilis Brand
- Phlox amoena Sims
- P. amoena Sims subsp. amoena
- P. amoena Sims subsp. lighthipei (Small) Wherry
- Phlox ampifolia Britt.
- Phlox andicola E. Nels.
- P. andicola E. Nels. subsp. andicola
- P. andicola E. Nels. subsp. parvula Wherry
- Phlox austromontana Coville
- P. austromontana Coville subsp. austromontana
- P. austromontana Coville subsp. densa (Brand) Wherry
- P. austromontana Coville subsp. prostrata (E. Nels.) Wherry
- Phlox bifida Beck
- P. bifida Beck subsp. bifida
- P. bifida Beck subsp. stellaria (A. Gray) Wherry
- Phlox borealis Wherry
- Phlox buckleyi Wherry
- Phlox caespitosa Nutt.
- Phlox carolina L.
- P. carolina L. subsp. alta Wherry
- P. carolina L. subsp. angusta Wherry
- P. carolina L. subsp. carolina
- P. carolina L. subsp. turritella Wherry
- Phlox caryophylla Wherry
- Phlox clutena A. Nels.
- Phlox colubrina Wherry & Constance
- Phlox condensata (A. Gray) E. Nels.
- Phlox cuspidata Scheele
- Phlox diffusa Benth.
- P. diffusa Benth. subsp. diffusa
- P. diffusa Benth. subsp. longistylis Wherry
- P. diffusa Benth. subsp. scleranthifolia (Rydb.) Wherry
- P. diffusa Benth. subsp. subcarniata Wherry
- Phlox dispersa C.W. Sharsm.
- Phlox divaricata L.
- P. divaricata L. subsp. divaricata
- P. divaricata L. subsp. laphamii (Alph. Wood) Wherry
- Phlox dolichantha A. Gray
- Phlox drummondii Hook.
- P. drummondii Hook. subsp. drummondii
- P. drummondii Hook. subsp. johnstonii (Wherry) Wherry
- P. drummondii Hook. subsp. mcallisterii (Whitehouse) Wherry
- P. drummondii Hook. subsp. tharpii (Whitehouse) Wherry
- P. drummondii Hook. subsp. wilcoxiana (Bogusch) Wherry
- Phlox floridana Benth.
- Phlox glaberrima L.
- P. glaberrima L. subsp. glaberrima
- P. glaberrima L. subsp. interior (Wherry) Wherry
- P. glaberrima L. subsp. triflora (Michx.) Wherry
- Phlox glabriflora (Brand) Whitehouse
- P. glabrifora (Brand) Whitehouse subsp. glabrifora
- P. glabrifora (Brand) Whitehouse subsp. littoralis (Cory) Wherry
- Phlox gladiformis (M.E. Jones) E. Nels.
- Phlox griseola Wherry
- P. griseola Wherry subsp. griseola
- P. griseola Wherry subsp. tumulosa (Wherry) Wherry
- Phlox hendersonii (E. Nels.) Cronq.
- Phlox hirsuta E. Nels
- Phlox hoodii Richardson
- P. hoodii Richardson subsp. canescens (Torr. & A. Gray) Wherry
- P. hoodii Richardson subsp. glabrata (E. Nels.) Wherry
- P. hoodii Richardson subsp. hoodii
- P. hoodii Richardson subsp. lanata (Piper) Munz
- P. hoodii Richardson subsp. viscidula (Wherry) Wherry
- Phlox idahonis Wherry
- Phlox jonesii Wherry
- Phlox kelseyii Britt.
- P. kelseyii Britt. subsp. glandulosa Wherry
- P. kelseyii Britt. subsp. kelseyii
- Phlox latifolia Michx.
- Phlox longifolia Nutt.
- P. longifolia Nutt. subsp. brevifolia (A. Gray) H. Mason
- P. longifolia Nutt. subsp. longifolia
- Phlox longipilosa Waterf.
- Phlox maculata L.
- P. maculata L. subsp. maculata
- P. maculata L. subsp. pyramidalis (Sm.) Wherry
- Phlox mesoleuca Greene
- Phlox mexicana Wherry
- Phlox missoulensis Wherry
- Phlox mollis Wherry
- Phlox multiflora A. Nels.
- P. multiflora A. Nels. subsp. depressa (E. Nels.) Wherry
- P. multiflora A. Nels. subsp. multiflora
- P. multiflora A. Nels. subsp. patula (A. Nels.) Wherry
- Phlox muscoides Nutt.
- Phlox nana Nutt.
- Phlox nivalis Sweet
- P. nivalis Sweet subsp. hentzii (Nutt.) Wherry
- P. nivalis Sweet subsp. nivalis
- P. nivalis Sweet subsp. texensis Lundell
- Phlox oklahomensis Wherry
- Phlox opalensis Dorn
- Phlox paniculata L.
- Phlox pattersonii L.A. Prather
- Phlox peckii Wherry
- Phlox pilosa L.
- P. pilosa L. subsp. deamii D.A. Levin
- P. pilosa L. subsp. detonsa (A. Gray) Wherry
- P. pilosa L. subsp. fulgida (Wherry) Wherry
- P. pilosa L. subsp. latisepala Wherry
- P. pilosa L. subsp. ozarkana (Wherry) Wherry
- P. pilosa L. subsp. pilosa
- P. pilosa L. subsp. pulcherrima Lundell
- P. pilosa L. subsp. riparia Wherry
- P. pilosa L. subsp. sangamonensis D.A. Levin & D.M. Sm.
- Phlox pulchra (Wherry) Wherry
- Phlox pulvinata (Wherry) Cronq.
- Phlox pungens Dorn
- Phlox richardsonii Hook.
- P. richardsonii Hook. subsp. alaskensis (Jordal) Wherry
- P. richardsonii Hook. subsp. richardsonii
- Phlox rigida Benth.
- Phlox roemeriana Sheele
- Phlox sibirica L.
- Phlox solivagus M. Mayfield & M. Darrach
- Phlox speciosa Pursh.
- P. speciosa Pursh. subsp. lanceolata (E. Nels.) Wherry
- P. speciosa Pursh. subsp. lignosa Brand
- P. speciosa Pursh. subsp. nitida (Suksd.) Wherry
- P. speciosa Pursh. subsp. occidentalis (Durand) Wherry
- P. speciosa Pursh. subsp. speciosa
- P. speciosa Pursh. subsp. woodhousei (Torr. & A. Gray) Wherry
- Phlox stansburyi (Torr.) A. Heller
- P. stansburyi (Torr.) A. Heller subsp. stansburyi
- P. stansburyi (Torr.) A. Heller subsp. superba (Brand) Wherry
- Phlox stolonifera Sims
- Phlox subulata L.
- P. subulata L. subsp. australis (Wherry) Wherry
- P. subulata L. subsp. brittonii (Small) Wherry
- P. subulata L. subsp. subulata
- Phlox tenuifolia E. Nels.
- Phlox triovulata Thurb.
- Phlox variabilis Brand
- P. variabilis Brand subsp. nudata Wherry
- P. variabilis Brand subsp. variabilis
- Phlox vermejoensis B. Legler
- Phlox viridis E. Nels.
- P. viridis E. Nels. subsp. compacta (Brand) Wherry
- P. viridis E. Nels. subsp. longipes (M.E. Jones) Wherry
- P. viridis E. Nels. subsp. viridis
- Phlox viscida E. Nels.

