Carex wahuensis C. A. Mey. , Zap. Imp. Akad. Nauk Fiz.-Mat. Otd. 1: 218, pl. 10 1831.
O`ahu, "Habitat in montibus insulae Wahu". 1816- 1817. Chamisso s.n..
Holotype
[LE].
Carex wahuensis C. A. Mey. subsp. herbstii T. Koyama, in Wagner, Herbst & Sohmer, Bishop Mus. Occas. Pap. 29: 118 1989.
O`ahu, Honolulu Dist., N side of Moanalua Valley. 365 m. 11 January 1970. Herbst and Bishop 1495.
Holotype
[BISH].
Carex wahuensis C. A. Mey. subsp. rubiginosa (R. W. Krauss) T. Koyama, in Wagner, Herbst & Sohmer, Bishop Mus. Occas. Pap. 29: 118 1989.
Carex wahuensis C. A. Mey. var. rubiginosa R. W. Krauss, Pacific Sci. 4: 257 1950.
Hawai`i, Ka`u Dist., Kilauea Iki. 1200 m. 21 December 1931. St. John et al. 11228.
Holotype
[BISH]. Isotype(s)
[US!].