Diospyros sandwicensis (A. DC.) Fosberg var. degeneri (Fosberg) H. St. John, Phytologia 59: 392. 1986.
Flora of the Hawaiian Islands --Basionym Type Information Diospyros ferrea (Willd.) Bakh. f. var. degeneri Fosberg, Occas. Pap. Bernice P. Bishop Mus. 15(10): 129 1939.
Maui: East Maui, slopes of Haleakala, lava fields of Auwahi and Kahikinui. 3000 ft. November 1910. J. F. Rock 8665.
Note: Fosberg clearly considered Rock 8665 to be a mixed collection, and added "a" to the sheet he designated as the type of this name. St. John's 1986 lectotypification (Phytologia 59: 392) is superfluous. Published simultaneously at the rank of forma.