Hedyotis schlechtendahliana Steud. , Nomencl. bot., ed. 2, 1: 728. 1840.
Hedyotis schlechtendahliana Steud. f. dichotoma Fosberg, Bernice P. Bishop Mus. Bull. 174: 34. 1943.
Type information:
Holotype
[BISH]. F.R. Fosberg 13797. 2 May 1937. O`ahu: Wai`anae Mts., Mauna Kapu, head of Nanakuli Valley, moist wooded cliff.825m. Isotype(s)
[US!].
=Kadua cordata subsp. cordata
Hedyotis schlechtendahliana Steud. f. glabrescens Fosberg, Bernice P. Bishop Mus. Bull. 174: 34. 1943.
Type information:
Holotype
[BISH]. O. Degener , Martinez and F. C. Salucop 11679. 17 April 1937. O`ahu: [Wai`anae Mts.], E side of Kaumakunui Gulch, forested ledge. Isotype(s)
[G, GH, K, MIN, MO!, NY [mfc!]].
=Kadua cordata subsp. cordata
Hedyotis schlechtendahliana Steud. f. glauca (Meyen) Fosberg, Bernice P. Bishop Mus. Bull. 174: 36. 1943.
Hedyotis schlechtendahliana Steud. f. hirtella Fosberg, Bernice P. Bishop Mus. Bull. 174: 35. 1943.
Type information:
Holotype
[BISH]. F.R. Fosberg 10952. 30 June 1935. O`ahu: Wai`anae Mts., Honoliuli, near summit of Palikea, moist forest.930m. Isotype(s)
[US!].
=Kadua cordata subsp. cordata
Hedyotis schlechtendahliana Steud. f. kaalensis Fosberg, Bernice P. Bishop Mus. Bull. 174: 37. 1943.
Type information:
Holotype
[BISH]. F.R. Fosberg 9084. 8 January 1933. O`ahu: Wai`anae Mts., Waianae`uka, Pu`u Ka`ala, E slope, wet forest.1100m. Isotype(s)
[US!].
Hedyotis schlechtendahliana Steud. f. secundiflora (Hillebr.) Fosberg, Bernice P. Bishop Mus. Bull. 174: 34. 1943.
Hedyotis schlechtendahliana Steud. subsp. cordata (Cham. & Schltdl.) Fosberg, Bernice P. Bishop Mus. Bull. 174: 32. 1943.
Hedyotis schlechtendahliana Steud. subsp. remyi (Hillebr.) Fosberg, . .
Hedyotis schlechtendahliana Steud. subsp. rockii Fosberg, Bernice P. Bishop Mus. Bull. 174: 37. 1943.
Hedyotis schlechtendahliana Steud. subsp. tenuifolia Fosberg, Bernice P. Bishop Mus. Bull. 174: 39. 1943.
Type information:
Holotype
[BISH]. C.N. Forbes 2347.M. 12 May 1920. Maui: West Maui, central ridge of Olowalu Valley. Isotype(s)
[BISH! [3], US!].
=Kadua cordata subsp. cordata
Hedyotis schlechtendahliana Steud. var. cordata (Cham. & Schltdl.) Fosberg, Bernice P. Bishop Mus. Bull. 174: 32. 1943.
Hedyotis schlechtendahliana Steud. var. glauca (Meyen) Fosberg, Bernice P. Bishop Mus. Bull. 174: 36. 1943.
Hedyotis schlechtendahliana Steud. var. nitens (Wawra) Fosberg, Bernice P. Bishop Mus. Bull. 174: 37. 1943.
Hedyotis schlechtendahliana Steud. var. nuttallii Fosberg, Bernice P. Bishop Mus. Bull. 174: 41. 1943.
Type information:
Holotype
[K]. T. Nuttall s.n.. O`ahu: "Ouau", on rocks.
=Kadua cordata subsp. cordata
Hedyotis schlechtendahliana Steud. var. opaca (Wawra) Fosberg, Bernice P. Bishop Mus. Bull. 174: 38. 1943.
Hedyotis schlechtendahliana Steud. var. plana Fosberg, Bernice P. Bishop Mus. Bull. 174: 41. 1943.
Type information:
Holotype
[BISH]. J. F. Rock 6132. 21 March 1910. Moloka`i: Maunahui. Isotype(s)
[BISH! [3], W].
=Kadua cordata subsp. cordata
Hedyotis schlechtendahliana Steud. var. remyi (Hillebr.) Fosberg, . .
Hedyotis schlechtendahliana Steud. var. reticulata Fosberg, Bernice P. Bishop Mus. Bull. 174: 40. 1943.
Type information:
Holotype
[BISH]. C.N. Forbes 234.Mo. 16 July 1912. Moloka`i: Pelekunu Trail. Isotype(s)
[BISH! [2]].
=Kadua cordata subsp. cordata
Hedyotis schlechtendahliana Steud. var. rigida Fosberg, Bernice P. Bishop Mus. Bull. 174: 38. 1943.
Type information:
Holotype
[BISH]. J. F. Rock 0. O`ahu: Ko`olau Range, Palolo. Isotype(s)
[BISH!].
=Kadua cordata subsp. cordata
Hedyotis schlechtendahliana Steud. var. secundiflora (Hillebr.) Fosberg, Bernice P. Bishop Mus. Bull. 174: 33. 1943.
Hedyotis schlechtendahliana Steud. var. tenuifolia Fosberg, Bernice P. Bishop Mus. Bull. 174: 39. 1943.
Type information:
Holotype
[BISH]. C.N. Forbes 2347.M. 12 May 1920. Maui: West Maui, central ridge of Olowalu Valley. Isotype(s)
[BISH! [3], US!].
=Kadua cordata subsp. cordata
Hedyotis schlechtendahliana Steud. subsp. waimeae (Wawra) W. L. Wagner & Lorence, . .