Railliardia platyphylla A. Gray var. trillioidea O. Deg. & Sherff, in Sherff, Amer. J. Bot. 28: 30. 1941.
Type information:
Holotype [F]. O. Degener , E. Ordoñez and & F.C. Salucop 12425. 7 August 1939. Maui: [East Maui, Haleakala], S of Kaluanui, on dryish talus. Isotype(s) [B!, F!, GH! [4], NY [3, mfc!], PTBG!, US! [3]].