Metrosideros collina (J.R. Forst. & G. Forst.) A. Gray var. glabrifolia (A. Heller) Rock, Hawaii, Board Agric. Forest. Bot. Bull. 4: 67. 1917. Flora of the Hawaiian Islands --Basionym
Type Information
Nania glabrifolia A. Heller , Minnesota Bot. Stud. 1: 866 1897.
Kaua`i: Kaholuamanoa [Kaholumanu], [on the plateau] above Waimea. 4000 ft. 10-16 September 1895. A.A. Heller 2821.
Holotype [MIN]. 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
*Verification: Wagner, W.L. & R.K. Shannon. 1999. Brittonia 51:422-438.
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Note: Superfluous combination made by Hochreutiner (Candollea 2: 456. 1925).

*Verification: W.L. Wagner, D.M. Mix.