Type Information
Acacia koa A. Gray , U. S. Expl. Exped., Phan. 480 1854.
O`ahu, mountains behind Honolulu. 1840. U. S. Expl. Exped. s.n..
Lectotype [K]. Isolectotype(s) [GH, US]. Lectotypified in H. St. John. Pacific Sci. 33: 358. 1979 [1980].
Note: Additional syntype: Hawai`i, sides of Mouna Loa anad Mouna Kea (K). Can the US and GH sheets really be considered isolectotypes since they have no locality data?
*Verification: None.
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Acacia koa A. Gray var. lanaiensis Rock, Board Agric. Forest. Bot. Bull. 5: 21 1919.
Lana`i July 1870. Hillebrand.
Holotype [B].

Note: Photo of B specimen at BISH.
*Verification: None.
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Acacia koa A. Gray var. latifolia (Benth.) H. St. John, Pacific Sci. 33: 363 1979 [1980].

*Verification: R.K. Shannon.
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Acacia koa A. Gray var. waianaeensis H. St. John, Pacific Sci. 33: 363 1979 [1980].
O`ahu, Waianae Mts., Dupont trail. 2800 ft. 30 December 1952. Chock 813.
Holotype [BISH]. Isotype(s) [BISH!].

*Verification: R.K. Shannon.
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Acacia koa A. Gray var. weimeae Hochr., Candollea 2: 377 1925.
Kaua`i, Weimea [Waimea]. 1000 to 1200 m. 21 April 1905. Hochreutiner 3612.
Holotype [?].

*Verification: None.
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Acacia koa A. Gray var. hawaiiensis Rock, .

*Verification: None.
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