Bidens micranthoides Sherff , Bot. Gaz. (Crawfordsville) 70: 100. 1920.
Type information:
Holotype [BISH]. C.N. Forbes 704.K. 31 October 1916. Kaua`i: Haupu Range, above Nawiliwili Bay. Isotype(s) [MO!].
=Bidens sandvicensis subsp. sandvicensis