Labordia kaalae C. N. Forbes , Occas. Pap. Bernice P. Bishop Mus. 6(3): 58. 1916.
Type information:
Holotype [BISH]. C.N. Forbes 1790.O. 29 April 1912. O`ahu: Mt. Ka`ala, ridges at head of Mokule`ia Valley.

Note: Collection date is from protologue; date on specimen label is 26 April-16 May.

=Geniostoma kaalae
Note: Collection date is from protologue; date on specimen label is 26 April-16 May.

*Verification: R.K. Shannon.

Labordia kaalae C. N. Forbes var. brachypoda Sherff, Amer. J. Bot. 25: 588. 1938.
Type information:
Holotype [BISH]. C.N. Forbes 1587.O. 27 April 1910. O`ahu: Wai'anae Range, Popouwela. Isotype(s) [BISH! [2], MO!].
=Geniostoma kaalae

*Verification: R.K. Shannon.

Labordia kaalae C. N. Forbes var. fosbergii Sherff, Amer. J. Bot. 25: 588. 1938.
Type information:
Holotype [BISH]. F.R. Fosberg 13002. 22 March 1936. O`ahu: Waianaeuka, Wai`anae Mts., E ridge of Pu`u Kalena, on moist, wooded ridge.860m.

Note: Only part of this collection is type for this entity. Sherff considered Fosberg 13002 to be a mixed collection, with part of it being a "mature-fruited specimen of Labordia tinifolia [var. tinifolia]."

=Geniostoma kaalae
Note: Only part of this collection is type for this entity. Sherff considered Fosberg 13002 to be a mixed collection, with part of it being a "mature-fruited specimen of Labordia tinifolia [var. tinifolia]."

*Verification: R.K. Shannon.

Labordia kaalae C. N. Forbes var. kauaiensis Sherff, Field Mus. Nat. Hist., Bot. Ser. 17: 541. 1939.
Type information:
Holotype [BISH]. C.N. Forbes s.n.. s.d.. Kaua`i: s.l..
=Geniostoma helleri

*Verification: R.K. Shannon.

Labordia kaalae C. N. Forbes var. mendax Sherff, Amer. J. Bot. 25: 589. 1938.
Type information:
Holotype [BISH]. A. Meebold s.n.. June 1932. O`ahu: Wai`anae Mts., Ka`ala, Makaleha ridge.3800ft.

Note: Sherff did not cite a photo at F, but the holotype has one of his ruler labels with "Bish. Mus." and a negative number on it.

=Geniostoma kaalae
Note: Sherff did not cite a photo at F, but the holotype has one of his ruler labels with "Bish. Mus." and a negative number on it.

*Verification: R.K. Shannon.