Railliardia ciliolata DC. var. laxifolia A. Gray, Proc. Amer. Acad. Arts 5: 133. 1861. Type information: Lectotype [US]. U. S. Expl. Exped. s.n.. 1840. Hawai`i. Lectotypified in G. Carr. Allertonia 4: 93. 1985.