Bidens xdimidiata O. Deg. & Sherff , in Sherff, Amer. J. Bot. 38: 66. 1951.
Type information:
Holotype [F]. O. Degener 20509. 7 February 1950. Kaua`i: along ditch trail on west side of Waimea Canyon, forested slope.3500ft. Isotype(s) [B, BISH!, CM, F, MO! [2], NY [2, mfc!], P, PH, US].

Note: Published as "X Bidens dimidiata."

=Bidens cosmoides
Note: Published as "X Bidens dimidiata."

*Verification: R.K. Shannon.