Metrosideros collina (J. R. Forst. & G. Forst.) A. Gray f. strigosa Rock, Hawaii, Board Agric. Forest. Bot. Bull. 4: 64. 1917.
Type information:
Holotype [BISH]. J. F. Rock 8414. June 1910. Hawai`i: swamps of summit of Kohala.
=Metrosideros polymorpha var. polymorpha