Railliardia ciliolata DC. var. leptocephala O. Deg. & Sherff, in Sherff, Amer. J. Bot. 38: 71. 1951.
Type information:
Holotype [F]. O. Degener , A. Greenwell and T. Murashige 19827. 19 August 1949. Hawai`i: S of Pu`ukeekee, on arid sun-scorched `a`a lava. Isotype(s) [B!, BISH! [2], CM, F [photo F!], G!, GB!, GH!, K!, MO! [2], NY [2], PH, LA, UC!, US!].

Note: RKS examined mfc of NY sheets (12/97).

=Dubautia linearis subsp. hillebrandii
Note: RKS examined mfc of NY sheets (12/97).

*Verification: R.K. Shannon.