Bidens perversa O. Deg. & Sherff , in Sherff, Amer. J. Bot. 31: 279. 1944.
Type information:
Holotype
[F]. E. Ordonez s.n.. 29 September 1940. Maui: near top of Pu`u Lio.
Bidens perversa O. Deg. & Sherff var. aquilonalis O. Deg. & Sherff, in Sherff, Amer. J. Bot. 31: 280. 1944.
Type information:
Holotype
[F]. E. Ordonez s.n.. 15 September 1940. Maui: Waihe`e.915m.