Railliardia x vafra O. Deg. & Sherff , in Sherff, Bot. Gaz. (Crawfordsville) 96: 153. 1934.
Type information:
Holotype [F]. O. Degener and H. Wiebke 2134. 18 August 1926. Hawai`i: 25 mi from Waimea toward Kona, pahoehoe desert. Isotype(s) [B, BM, F! [2], GH!, K, MO, NY! [mfc!]].
=Dubautia linearis subsp. hillebrandii