Phlox divaricata Linnaeus var. laphamii Alph. Wood. Phen: Apr-Jun. Hab: Rich, moist soils of forests and open woodlands. Dist: W. GA, c. TN, wc. KY, w. IN, WI, MN, and se. SD south to FL Panhandle, s. AL, s. MS, s. LA, and se. TX.
Origin/Endemic status: Native
Taxonomy Comments: The documented distinction between var. divaricata and var. laphamii is morphologically relatively trivial, but is well-correlated with geography.
Synonymy: = C, F, G, Tn; = Phlox divaricata L. ssp. laphamii (Wood) Wherry – GrPl, Il, K1, Pa, Tx, Levin (1966), Levin (1967), Wherry (1955); < Phlox divaricata L. – Fl5, K3, K4, RAB, S, WH3