Lipochaeta exigua O. Deg. & Sherff , in Sherff, Amer. J. Bot. 28: 30. 1941.
Type information:
Holotype [F]. O. Degener and E. OrdoƱez 12610. 8 January 1940. Kaua`i: Nawiliwili, 0.75 mi SW of Hokunui, on grassy, shrubby summit ridge. Isotype(s) [B, BISH!, F! [2], G, GH, MASS!, MO! [2], NY [5, mfc!], UC [3], US! [4]].

Note: Sherff cited "3 type sheets," and the one annotated by him as "1st of 3 sheets of Type!" is taken to be the holotype. Gardner's (1979) lectotypification is superfluous.

=Melanthera micrantha subsp. exigua
Note: Sherff cited "3 type sheets," and the one annotated by him as "1st of 3 sheets of Type!" is taken to be the holotype. Gardner's (1979) lectotypification is superfluous.

*Verification: W.L. Wagner.