Labordia tinifolia A. Gray , Proc. Amer. Acad. Arts 4: 322. 1859 [Sept].
Labordia tinifolia A. Gray var. euphorbioidea Sherff, Amer. J. Bot. 25: 583. 1938.
Type information:
Holotype
[BISH]. J. F. Rock 8616. October 1910. Maui: East Maui, Makawao, in lower forest.2500ft. Isotype(s)
[BISH!, GH, W].
=Geniostoma tinifolium var. tinifolium
Labordia tinifolia A. Gray var. forbesii Sherff, Amer. J. Bot. 25: 583. 1938.
Type information:
Holotype
[BISH]. C.N. Forbes 553.Mo. September 1912. Moloka`i: Wailau, on slopes of Oloku'i. Isotype(s)
[B, BISH! [3], F, GH, K, MO!, US!].
=Geniostoma tinifolium var. tinifolium
Labordia tinifolia A. Gray var. haupuensis Sherff, Amer. J. Bot. 31: 159. 1944.
Type information:
Holotype
[BH]. L. H. MacDaniels 424. 26 February 1927. Kaua`i: southeasternmost Kaua`i, Ha`upu.
Labordia tinifolia A. Gray var. honoluluensis Sherff, Amer. J. Bot. 25: 584. 1938.
Type information:
Holotype
[BISH]. C.N. Forbes and Mrs.G.E. Kelly 2388.O. 1 August 1916. O`ahu: on Pacific Heights ridge. Isotype(s)
[B, BISH!, F].
=Geniostoma tinifolium var. tinifolium
Labordia tinifolia A. Gray var. lanaiensis Sherff, Amer. J. Bot. 25: 583. 1938.
Type information:
Holotype
[B]. W. Hillebrand s.n.. July 1870. Lana`i: s.l..
=Geniostoma tinifolium var. lanaiense
Labordia tinifolia A. Gray var. leptantha Sherff, Amer. J. Bot. 25: 582. 1938.
Type information:
Holotype
[BISH]. J. F. Rock 14062. 25 May 1918. Moloka`i: Kala`e.
=Geniostoma tinifolium var. tinifolium
Labordia tinifolia A. Gray var. microgyna O. Deg. & Sherff, Field Mus. Nat. Hist., Bot. Ser. 17: 537. 1939.
Type information:
Holotype
[F]. O. Degener 10251. 17 June 1926. Kaua`i: NE of Kipu, in rain forest. Isotype(s)
[B, BISH!].
=Geniostoma tinifolium var. tinifolium
Labordia tinifolia A. Gray var. parvifolia Sherff, Amer. J. Bot. 25: 583. 1938.
Type information:
Holotype
[B]. W. Hillebrand s.n.. Moloka`i: central northern coast of island, Kalaupapa Pali.
Labordia tinifolia A. Gray var. tenuifolia O. Deg. & Sherff, in Sherff, Amer. J. Bot. 25: 583. 1938.
Type information:
Holotype
[F]. O. Degener 10272. 12 May 1928. Moloka`i: Kahua`awi Gulch, forest. Isotype(s)
[B, BISH! [2], BM, G-DEL, GH, K, MO!, NY [mfc!], P, US! [2], W].
=Geniostoma tinifolium var. tinifolium
Labordia tinifolia A. Gray var. wahiawaensis H. St. John, Bull. Torrey Bot. Club 111: 481. 1984.
Type information:
Holotype
[BISH]. S. Perlman 500. 29 April 1980. Kaua`i: Wahiawa Valley, on left side of stream in deep shade, on clay soil, slope 40°. Isotype(s)
[BISH!].
=Geniostoma tinifolium var. wahiawaense
Labordia tinifolia A. Gray var. waialuana Sherff, Amer. J. Bot. 25: 583. 1938.
Type information:
Holotype
[GH]. H. Mann and W.T. Brigham 562. 1864- 1865. O`ahu: Waialua Mountains. Isotype(s)
[BISH!, CU, F, NY, US].
=Geniostoma tinifolium var. tinifolium