Labordia hirtella H. Mann var. laevis Sherff, Amer. J. Bot. 25: 582. 1938.
Type information:
Holotype [BISH]. J. F. Rock 16012. April 1918. Moloka`i: Kamoku.
=Geniostoma hirtellum

*Verification: R.K. Shannon.

Labordia hirtella H. Mann var. laevisepala O. Deg. & Sherff, in Sherff, Field. Mus. Nat. Hist., Bot. Ser. 17: 522. 1939.
Type information:
Holotype [F]. O. Degener 10280. 24 April 1928. Moloka`i: at upper end of Hanalilolilo Pipe-Line, in rain forest. Isotype(s) [BISH! [3]].

Note: BISH isotypes have "Deg," "Berl.," and "Brit." pencilled on the labels, probably indicating intended distribution.

=Geniostoma hirtellum
Note: BISH isotypes have "Deg," "Berl.," and "Brit." pencilled on the labels, probably indicating intended distribution.

*Verification: R.K. Shannon.

Labordia hirtella H. Mann var. microcalyx Hillebr., Fl. Hawaiian Isl. 292. 1888.
Type information:
Holotype [B]. J. M. Lydgate s.n.. April 1871. Hawai`i: [woods of] Hilo. Isotype(s) [BISH!, US!].
=Geniostoma hirtellum

*Verification: R.K. Shannon.

Labordia hirtella H. Mann var. microphylla Hillebr., Fl. Hawaiian Isl. 292. 1888.
Type information:
Holotype [B]. W. Hillebrand and J.M. Lydgate s.n.. August 1870. Maui: West Maui, [Ka`anapali]. Isotype(s) [BISH!, US!].

Note: The BISH sheet has the label printed by C. N. Forbes for Lydgate's herbarium stating the collectors as Hillebrand and Lydgate, but Hillebrand did not cite Lydgate as one of the collectors.

=Geniostoma hirtellum
Note: The BISH sheet has the label printed by C. N. Forbes for Lydgate's herbarium stating the collectors as Hillebrand and Lydgate, but Hillebrand did not cite Lydgate as one of the collectors.

*Verification: R.K. Shannon.

Labordia hirtella H. Mann var. sororia Sherff, Amer. J. Bot. 25: 582. 1938.
Type information:
Holotype [BISH]. J. F. Rock 8152. 24 August 1910. Maui: West Maui, Honokowai Gulch.4000ft. Isotype(s) [B, BISH! [3], F, GH, K, W].
=Geniostoma hirtellum

*Verification: R.K. Shannon.

Labordia hirtella H. Mann , Proc. Amer. Acad. Arts 7: 196. 1867.
Type information:
Holotype [CU]. H. Mann and W.T. Brigham 335. 1864- 1865. Lana`i: [on summit]. Isotype(s) [BISH! [2], GH, MO, US!].
=Geniostoma hirtellum

*Verification: R.K. Shannon.

Labordia hirtella H. Mann var. haleakalana Sherff, Amer. J. Bot. 25: 582. 1938.
Type information:
Holotype [BISH]. J. F. Rock 8626. October 1910. Maui: East Maui, Haleakala, Ukulele, Waikamoi. Isotype(s) [BISH!, GH].
=Geniostoma hirtellum

*Verification: R.K. Shannon.

Labordia hirtella H. Mann var. hispidior Sherff, Amer. J. Bot. 25: 582. 1938.
Type information:
Holotype [BISH]. C.N. Forbes 43.M. May 1910. Maui: West Maui, Hanaka`o`o. Isotype(s) [BISH!].
=Geniostoma hirtellum

*Verification: R.K. Shannon.

Labordia hirtella H. Mann var. imbricata O. Deg. & Sherff, in Sherff, Field. Mus. Nat. Hist., Bot. Ser. 17: 521. 1939.
Type information:
Holotype [F]. O. Degener 10253. 14 August 1926. Hawai`i: along rd. 17 mi from Kohala toward Waimea, ravine mauka of rd. at elevation with considerable rainfall. Isotype(s) [B, BISH!, HAW].

Note: BISH isotype is ex herb. Degener.

=Geniostoma hirtellum
Note: BISH isotype is ex herb. Degener.

*Verification: R.K. Shannon.