Tetraplasandra hawaiensis A. Gray , Proc. Amer. Acad. Arts 3: 129. 1854 [May].
Type information:
Holotype [US]. U. S. Expl. Exped. s.n.. 1840- 1841. Hawai`i: Puna District. Isotype(s) [GH!, NY!, P!].

Note: Superfluously published in U. S. Expl. Exped., Phan. 728, June 1854.

=Polyscias hawaiensis
Note: Superfluously published in U. S. Expl. Exped., Phan. 728, June 1854.

*Verification: None.

Tetraplasandra hawaiensis A. Gray var. awiniensis Sherff, Bot. Leafl. 6: 37. 1952.
Type information:
Holotype [A]. J. F. Rock 8386. June 1910. Hawai`i: [North] Kohala, [woods of] Awini. Isotype(s) [A!, BISH! [2, photo F], GH! [3, photo F], P!].

Note: RKS examined BISH sheets

=Polyscias hawaiensis
Note: RKS examined BISH sheets

*Verification: R.K. Shannon.

Tetraplasandra hawaiensis A. Gray var. gracilis Sherff, Bot. Leafl. 6: 38. 1952.
Type information:
Holotype [BISH]. J.F. Rock and S.T. Hashimoto 16033. September 1918. Maui: West Maui, Waihe`e Valley. Isotype(s) [BISH! [photo F], US!].

Note: RKS examined BISH sheets

=Polyscias hawaiensis
Note: RKS examined BISH sheets

*Verification: R.K. Shannon.

Tetraplasandra hawaiensis A. Gray var. microcarpa Sherff, Bot. Leafl. 6: 38. 1952.
Type information:
Holotype [BISH]. J. F. Rock 7006. April 1910. Moloka`i: [above] Kaluaha [Kalua`aha]. Isotype(s) [A! [2], BH!, BISH! [3], GH! [2, photo F], K! [2] , NSW!, NY!, US!].

Note: Additional isotypes: P! [2], W!. RKS examined BISH sheets

=Polyscias hawaiensis
Note: Additional isotypes: P! [2], W!. RKS examined BISH sheets

*Verification: R.K. Shannon.