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.