Hesperomannia bushiana O. Deg. var. fosbergii O. Deg., Fl. Hawaiiensis, fam. 344. Hesperomannia bushiana. 1937.
Type information:
Holotype [BISH]. F.R. Fosberg 9470. 30 April 1933. O`ahu: Ko`olau Range, Kalawao Ridge, wet forest.540m. Isotype(s) [NY [mfc!]].

Note: Holotype ex herb. Degener.

=Hesperomannia arborescens
Note: Holotype ex herb. Degener.

*Verification: R.K. Shannon.