Zanthoxylum maviense H. Mann var. rigidum Rock, Indig. trees Haw. Isl. 205. 1913.
Type information:
Holotype [BISH]. J. F. Rock 10200. March 1912. Maui: [East Maui, northwestern slopes of] Haleakala, [back of] Makawao, Waihou gulch.3000ft. Isotype(s) [A, BISH! [4], US!].

Note: As "Xanthoxylum mauiense." RKS examined the specimens at BISH

=Zanthoxylum kauaense
Note: As "Xanthoxylum mauiense." RKS examined the specimens at BISH

*Verification: R.K. Shannon.