Haplostachys bryanii Sherff var. microdonta Sherff, Amer. J. Bot. 21: 698 1934.
Moloka`i, western Moloka`i, open, dry ground. 12 October 1916. Hitchcock 15139.
Holotype
[US]. Isotype(s)
[BISH!].
Haplostachys bryanii Sherff var. robusta Sherff, Amer. J. Bot. 21: 698 1934.
Moloka`i, [southwesternmost Moloka`i], Kalaeokalaau flats. 21 May 1918. Rock 14000.
Holotype
[BISH]. Isotype(s)
[BISH! [3]].