Pittosporum gayanum Rock f. waialeale (Rock) J. E. Haas, Allertonia 1: 137 1977.
Pittosporum gayanum Rock var. skottsbergii Sherff, Occas. Pap. Bernice P. Bishop Mus. 20(1): 3 1949.
Kaua`i, northernmost Kaua'i, Hanalei Valley, Power Line Trail above second house. 9 March 1948. Fagerlind and Skottsberg 6532.
Holotype
[GB].
Pittosporum gayanum Rock var. waialeale Rock, Indig. trees Haw. Isl. 166 1913.
Kaua`i, Mt. Wai`ale`ale, summit bog. 5200 ft. 20 October 1911. Rock 8866.
Holotype
[BISH]. Isotype(s)
[A, BISH! [2], GH].