Tetraplasandra waialealae Rock , Coll. Hawaii Publ. Bull. 1: 10. 1911.
Type information:
Holotype
[BISH]. J. F. Rock 8870. 20 October 1911. Kaua`i: [summit of] Wai`ale`ale.5000ft. Isotype(s)
[A [2], BISH! [2], GH [3], K!, L, US!].
Tetraplasandra waialealae Rock var. acrior Sherff, Bot. Leafl. 6: 22. 1952.
Type information:
Holotype
[GH]. J. F. Rock 4902. September 1909. Kaua`i: Ke`aku Cave, Ka`ili`ili Stream.
Tetraplasandra waialealae Rock var. kohuana O. Deg. & Sherff, in Sherff, Amer. J. Bot. 43: 476. 1956.
Type information:
Holotype
[F]. O. Degener , I. Degener and H. W. Hansen 23902. 9 September 1955. Kaua`i: Kohua Ridge, forest clearing. Isotype(s)
[BISH!, F, GH!, NY! [2, mfc!]].
Tetraplasandra waialealae Rock var. pluricostata O. Deg. & Sherff, in Sherff, Amer. J. Bot. 43: 476. 1956.
Type information:
Holotype
[F]. O. Degener and I. Degener 23898. 7 September 1955. Kaua`i: SE rim of Kalalau Valley, in rain forest near gulch. Isotype(s)
[BISH!, GH!, NY! [mfc!], US!].
Tetraplasandra waialealae Rock var. subsessilis Sherff, Bot. Leafl. 6: 23. 1952.
Type information:
Holotype
[BISH]. L.M. Cranwell , O.H. Selling and C. Skottsberg 2925. 13 August 1938. Kaua`i: Alakai, forests in vicinity of Lehua makanoi. Isotype(s)
[GB! [photo F]].
Tetraplasandra waialealae Rock var. urceolata Sherff, Bot. Leafl. 6: 23. 1952.
Type information:
Holotype
[BISH]. J. F. Rock 4902. 22 September 1909. Kaua`i: Kaluiti Stream, high plateau.1465m. Isotype(s)
[BISH!].
Tetraplasandra waialealae Rock var. wahiawensis Sherff, Bot. Leafl. 6: 24. 1952.
Type information:
Holotype
[BISH]. C.N. Forbes 274.K. 11 August 1909. Kaua`i: Wahiawa Swamp. Isotype(s)
[BISH!, K!, L, US!].