Bidens setosa Sherff , Bot. Gaz. (Crawfordsville) 70: 103. 1920.
Type information:
Holotype
[BISH]. C.N. Forbes 811.K. 3-18 July-August 1917. Kaua`i: Waimea Drainage Basin, west side. Isotype(s)
[BISH! [2], F].
Note: The specimen labels give the date as "July 3 to August 18," but Forbes's field book gives the date as July 7 to August 18.
=Bidens sandvicensis subsp. sandvicensis
Note: The specimen labels give the date as "July 3 to August 18," but Forbes's field book gives the date as July 7 to August 18.
*Verification: R.K. Shannon.