Cyperus hillebrandii Boeck. var. helleri Kük., Pflanzenr. IV. 20 (Heft 101, 4): 484. 1936.
Type information:
Lectotype [NY]. A. A. Heller 2363. 29 October 1895. O`ahu: [Nu`uanu] Pali.
Lectotypified in W. L. Wagner & R. K. Shannon. Brittonia 51: 430. 1999. Isolectotype(s) [GH, MO, US!].

Note: Kukenthal did not cite a date, and Heller did not cite this collection. Since the type at B was destroyed, we are here selecting a lectotype from among the available syntypes. Additional syntype: same locality on 24 May (US).

=Cyperus hillebrandii var. hillebrandii
Note: Kukenthal did not cite a date, and Heller did not cite this collection. Since the type at B was destroyed, we are here selecting a lectotype from among the available syntypes. Additional syntype: same locality on 24 May (US).

*Verification: Wagner, W.L. & R.K. Shannon. 1999. Brittonia 51:422-438.