Hedyotis angusta Fosberg , Bernice P. Bishop Mus. Bull. 174: 48. 1943.
Type information:
Holotype [B]. W. Hillebrand s.n.. 1851- 1871. O`ahu: Waianae.

Note: Look for additional material of Waianae collection at other herbaria.

=Kadua cordata subsp. cordata
Note: Look for additional material of Waianae collection at other herbaria.

*Verification: R.K. Shannon, W.L. Wagner.

Hedyotis angusta Fosberg var. koolauensis Fosberg, Brittonia 8: 167. 1956.
Type information:
Holotype [BM]. W. Hillebrand s.n.. 1851- 1871. O`ahu: Niu, Wailupe.
=Kadua cordata subsp. cordata

*Verification: None.

Hedyotis angusta Fosberg var. umbrosa Fosberg, Bernice P. Bishop Mus. Bull. 174: 49. 1943. Flora of the Hawaiian Islands --Basionym
Type Information

Note: Protologue indicates that the holotype was in Degener's herbarium at the time of publication; it has not been located.

*Verification: R.K. Shannon, W.L. Wagner.