Flora of the Hawaiian Islands --Basionym Type Information
Note: No specimens cited under this name in the publication. Fosberg annotated in 1939 a collection (O`ahu: Ko`olau Range, Ko`olauloa Mts., between Punalue`u and Kaipapau, 8-13 May 1909, C. N. Forbes & C. B. Thompson as the type of H. schlechtendaliana subsp. rockii. (BISH [3], US)