Nania glabrifolia A. Heller , Minnesota Bot. Stud. 1: 866. 1897.
Type information:
Holotype [MIN]. A.A. Heller 2821. 10-16 September 1895. Kaua`i: Kaholuamanoa [Kaholumanu], [on the plateau] above Waimea.4000ft. Isotype(s) [K, NY [mfc!], US!].

Note: Heller did not cite a date. We have no evidence that any collections with this number were made on other dates.

=Metrosideros polymorpha var. glaberrima
Note: Heller did not cite a date. We have no evidence that any collections with this number were made on other dates.

*Verification: Wagner, W.L. & R.K. Shannon. 1999. Brittonia 51:422-438.