Viola kauaensis A. Gray var. hosakae (H.St.John) Havran & Ching Harbin, PhytoKeys 39: 35-48. 2014. Flora of the Hawaiian Islands --Basionym
Type Information
Viola hosakae H. St. John , Bot. Jahrb. Syst. 111: 173 1989.
O`ahu: Koolau Range, divide between head of Kawainui and Kaipaupau Gulches, rare in bog. 860 m. 3 July 1938. E.Y. Hosaka 2504.
Holotype [BISH].
=Viola kauaensis var. hosakae

*Verification: R.K. Shannon.
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*Verification: N. Khan.

Viola kauaensis A. Gray , U. S. Expl. Exped., Phan. 85. 1854.
Type information:
Holotype [US]. U. S. Expl. Exped. s.n.. 1840. Kaua`i: on mountains.
=Viola kauaensis var. kauaensis

*Verification: None.

Viola kauaensis A. Gray var. wahiawaensis C.N. Forbes, Occas. Pap. Bernice P. Bishop Mus. 7(3): 34. 1920.
Type information:
Holotype [BISH]. C.N. Forbes 166.K. August 1909. Kaua`i: Wahiawa swamp. Isotype(s) [BISH! [2], US].

Note: As "kauaiensis".

=Viola kauaensis var. wahiawaensis
Note: As "kauaiensis".

*Verification: R.K. Shannon.