Microsteris gracilis (Hook.) Greene
Publication: Pittonia 3: 300. 1898.
Gilia gracilis Hook.
Gilia gracilis Hook. var. humilior (Hook.) H. St. John
Microsteris gracilis (Hook.) Greene ssp. humilis (Greene) Brand
Microsteris gracilis (Hook.) Greene var. gracilis [HC, IMF4]
Microsteris gracilis (Hook.) Greene var. humilior (Hook.) Cronquist [HC, IMF4]
Microsteris humilis Greene
Microsteris micrantha (Kellogg) Greene
Phlox gracilis (Hook.) Greene
Phlox gracilis (Hook.) Greene ssp. gracilis [KZ99, JPM]
Phlox gracilis (Hook.) Greene ssp. humilis (Greene) H. Mason [KZ99]
Phlox gracilis (Hook.) Greene var. humilior (Hook.) B. Boivin