Metrosideros collina (J.R. Forst. & G. Forst.) A. Gray f. lurida Rock, Hawaii, Board Agric. Forest. Bot. Bull. 4: 54. 1917.
Type information:
Holotype [BISH]. J. F. Rock 7021. April 1910. Moloka`i: [leeward side, in dry gulches above] Kamolo.

Note: Of the two sheets at BISH, the one illustrated is taken to be the holotype.

=Metrosideros polymorpha var. incana
Note: Of the two sheets at BISH, the one illustrated is taken to be the holotype.

*Verification: R.K. Shannon.