⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-126383, and has not been changed.

Metrosideros collina f. strigosa Rock is a synonym of Metrosideros polymorpha var. pumila (A.Heller) Skottsb.

This name is a synonym of Metrosideros polymorpha var. pumila (A.Heller) Skottsb..

The record derives from WCSP which reports it as a synonym (record 126383) with original publication details: Bot. Bull. Hawaii Board Agric. For. 4: 64 1917.