Railliardia sherffiana (Fosberg) Sherff , Amer. J. Bot. 38: 73. 1951.
Type Information
Dubautia sherffiana Fosberg , Bull. Torrey Bot. Club 70: 395 1943.
O`ahu: Wai`anae Mts., Mt. Kaala, NE slope, brushy ridge E of second gulch E of Kaupakuhale, Mokule`ia. 2500 ft. 23 October 1932. H. St. John and F.R. Fosberg 12161.
Holotype [US]. Isotype(s) [BISH!].
=Dubautia sherffiana

Railliardia sherffiana (Fosberg) Sherff var. paucinervia O. Deg. & Sherff, in Sherff, Amer. J. Bot. 38: 73. 1951.
Type information:
Holotype [F]. O. Degener and A.B. Greenwell 20147. 23 October 1949. O`ahu: N slope of Ka`ala, Dupont Trail, rocky, shrubby precipitous slope.3000ft. Isotype(s) [B!, BISH!, F [photo F!], G-DEL!, GH!, K, LA, M, MO!, NY [2, mfc!], US!].
=Dubautia sherffiana