Hedyotis centranthoides (Hook. & Arn.) Steud. var. accrescens (Fosberg) O. Deg. & I. Deg., Phytologia 7, 14, or 15. .
Hedyotis centranthoides (Hook. & Arn.) Steud. var. kohala (Fosberg) O. Deg. & I. Deg., Phytologia 7, 14, or 15. .
Hedyotis centranthoides (Hook. & Arn.) Steud. var. vestita (Fosberg) O. Deg. & I. Deg., Phytologia 7, 14, or 15. .
Hedyotis centranthoides (Hook. & Arn.) Steud. var. yunckeri (Fosberg) O. Deg. & I. Deg., Phytologia 7, 14, or 15. .
Hedyotis centranthoides (Hook. & Arn.) Steud. f. yunckeri Fosberg, Bernice P. Bishop Mus. Bull. 174: 63. 1943.
Type information:
Holotype
[BISH]. H. St. John , R.J. Baker and J.W. Coulter, F.R. Fosberg, & T. G. Yuncker 12309. 20 December 1932. Moloka`i: Kawela, ridge between Maunahui, Kaunakakai, and Hanalilolilo, open forest.3600ft. Isotype(s)
[BISH!, US!].
=Kadua centranthoides
Hedyotis centranthoides (Hook. & Arn.) Steud. var. laevis (Wawra) Fosberg, Bernice P. Bishop Mus. Bull. 174: 63. 1943.
Hedyotis centranthoides (Hook. & Arn.) Steud. , Nomencl. bot., ed. 2, 1: 727. 1840.
Hedyotis centranthoides (Hook. & Arn.) Steud. f. accrescens Fosberg, Bernice P. Bishop Mus. Bull. 174: 65. 1943.
Type information:
Holotype
[BISH]. J. F. Rock 8629. October 1910. Maui: East Maui, Haleakala Crater, Ko`olau Gap.6000ft. Isotype(s)
[BISH!].
Hedyotis centranthoides (Hook. & Arn.) Steud. f. diffusa Fosberg, Bernice P. Bishop Mus. Bull. 174: 62. 1943.
Type information:
Holotype
[BISH]. C.N. Forbes 411.H. 9-11 August 1911. Hawai`i: Ka`u, mountains behind Pahala. Isotype(s)
[BISH! [2], US!].
=Kadua centranthoides
Hedyotis centranthoides (Hook. & Arn.) Steud. f. glomerata Fosberg, Bernice P. Bishop Mus. Bull. 174: 64. 1943.
Hedyotis centranthoides (Hook. & Arn.) Steud. f. hirta Fosberg, Bernice P. Bishop Mus. Bull. 174: 63. 1943.
Type information:
Holotype
[BISH]. G.C. Munro 231. 6 April 1915. Lana`i: Ha`alelepa`akai.
=Kadua centranthoides
Hedyotis centranthoides (Hook. & Arn.) Steud. f. kamokuensis Fosberg, Bernice P. Bishop Mus. Bull. 174: 63. 1943.
Type information:
Holotype
[BISH]. J. F. Rock 6124. March 1910. Moloka`i: Kamoku Camp. Isotype(s)
[BISH! [2], W].
=Kadua centranthoides
Hedyotis centranthoides (Hook. & Arn.) Steud. f. kohala Fosberg, Bernice P. Bishop Mus. Bull. 174: 61. 1943.
Type information:
Holotype
[BISH]. F.R. Fosberg 10220. 3 September 1933. Hawai`i: Kohala Mts., Upper Hamakua Ditch Trail, head of Alakahi fork of Waipi`o Valley, wet forest.1075m.
=Kadua centranthoides
Hedyotis centranthoides (Hook. & Arn.) Steud. f. laevis Fosberg, Brittonia 8: 168. 1956.
Hedyotis centranthoides (Hook. & Arn.) Steud. f. mauiensis Fosberg, Bernice P. Bishop Mus. Bull. 174: 65. 1943.
Type information:
Holotype
[BISH]. O. Degener 2360. 18 June 1927. Maui: Olinda, Pipeline Trail, rain forest. Isotype(s)
[CU, G, GH, L, LCU, MICH, MIN, MO!, NY [mfc!], S].
=Kadua centranthoides
Hedyotis centranthoides (Hook. & Arn.) Steud. f. meeboldii Fosberg, Bernice P. Bishop Mus. Bull. 174: 65. 1943.
Type information:
Holotype
[BISH]. A. Meebold s.n.. June 1932. O`ahu: Wai`anae Mts., Kaala, Makaleha Ridge.3500ft.
=Kadua centranthoides
Hedyotis centranthoides (Hook. & Arn.) Steud. f. vestita Fosberg, Bernice P. Bishop Mus. Bull. 174: 62. 1943.
Type information:
Holotype
[BISH]. O. Degener 11715. 8 April 1928. Moloka`i: E side of Waikolu Valley, grassy summit plateau. Isotype(s)
[BISH!, CU, G, GH, GRO, LCU, MICH, MIN, MO!, NY [2, mfc!], S].
=Kadua centranthoides