Dubautia montana (H. Mann) D. D. Keck var. longifolia (Sherff) Keck, Occas. Pap. Bernice P. Bishop Mus. 11(19): 28. 1936.
Flora of the Hawaiian Islands --Basionym Type Information Railliardia montana H. Mann var. longifolia Sherff, Amer. J. Bot. 20: 618 1933.
Maui: Haleakala, Kaupo Gap. 22 October 1910. J. F. Rock 8603.
Holotype
[GH]. Isotype(s)
[BISH! [2], [photos B!, F!]].