Synonyms
Acacia koa var. hawaiiensis Rock
Racosperma kauaiense (Hillebr.) Pedley
Acacia koa A.Gray
Acacia kauaiensis Hillebr.
Acacia coa Walp.
Racosperma koa (A.Gray) Pedley
Acacia koa var. weimeae Hochr.
Acacia koa var. waianaeensis H.St.John
Acacia koa var. latifolia (Benth.) H.St.John
Acacia heterophylla var. latifolia Benth.
Acacia koa var. lanoiensis Rock
Acacia heterophylla Hook. & Arn.