Type Information
Bidens hawaiensis A. Gray , Proc. Amer. Acad. Arts 5: 128 1861.
Hawai`i, s.l.. 1840. U. S. Expl. Exped. s.n..
Holotype [US]. Isotype(s) [GH!].
Note: St. John, Rhodora 87: 583.
*Verification: None.

Bidens hawaiensis A. Gray var. conglutinata O. Deg. & Sherff, in Sherff, Bot. Gaz. (Crawfordsville) 89: 364 1930.
Hawai`i, [easternmost part of island], near [SE of] Pahoa, on dry lava flow of 1840. 18 November 1929. Degener 3798.
Holotype [F]. Isotype(s) [B [PD], BISH!, F, GH, K, NY [mfc!]].

Note: Collector and collector number published erroneously as Borges 3798; specimen labels clearly indicated that collection number is Degener's. BISH sheet is ex herb. Degener.
*Verification: R.K. Shannon.