Peperomia helleri C. DC. var. knudsenii (C. DC.) Yunck., Bernice P. Bishop Mus. Bull. 112: 49. 1933.
Flora of the Hawaiian Islands --Basionym Type Information Peperomia knudsenii C. DC. , Coll. Hawaii Publ. Bull. 2: 16 1913.
Kaua`i: ("Kava"). s.d.. V. Knudsen s.n..
Holotype
[B?].