Basionym:
Labordia hirtella H. Mann var. laevisepala O. Deg. & Sherff, in Sherff, Field. Mus. Nat. Hist., Bot. Ser. 17: 522 1939.
Moloka`i, at upper end of Hanalilolilo Pipe-Line, in rain forest. 24 April 1928. Degener 10280.
Holotype
[F]. Isotype(s)
[BISH! [3]].
Basionym:
Labordia hirtella H. Mann var. microcalyx Hillebr., Fl. Hawaiian Isl. 292 1888.
Hawai`i, [woods of] Hilo. April 1871. Lydgate s.n..
Holotype
[B]. Isotype(s)
[BISH!, US!].
Basionym:
Labordia hirtella H. Mann var. microphylla Hillebr., Fl. Hawaiian Isl. 292 1888.
Maui, West Maui, [Ka`anapali]. August 1870. Hillebrand and Lydgate s.n..
Holotype
[B]. Isotype(s)
[BISH!, US!].
Basionym:
Labordia hirtella H. Mann var. sororia Sherff, Amer. J. Bot. 25: 582 1938.
Maui, West Maui, Honokowai Gulch. 4000 ft. 24 August 1910. Rock 8152.
Holotype
[BISH]. Isotype(s)
[B, BISH! [3], F, GH, K, W].
Basionym:
Labordia hirtella H. Mann , Proc. Amer. Acad. Arts 7: 196 1867.
Lana`i, [on summit]. 1864- 1865. Mann and Brigham 335.
Holotype
[CU]. Isotype(s)
[BISH! [2], GH, MO, US!].
Basionym:
Labordia hirtella H. Mann var. haleakalana Sherff, Amer. J. Bot. 25: 582 1938.
Maui, East Maui, Haleakala, Ukulele, Waikamoi. October 1910. Rock 8626.
Holotype
[BISH]. Isotype(s)
[BISH!, GH].
Basionym:
Labordia hirtella H. Mann var. hispidior Sherff, Amer. J. Bot. 25: 582 1938.
Maui, West Maui, Hanaka`o`o. May 1910. Forbes 43.M.
Holotype
[BISH]. Isotype(s)
[BISH!].
Basionym:
Labordia hirtella H. Mann var. imbricata O. Deg. & Sherff, in Sherff, Field. Mus. Nat. Hist., Bot. Ser. 17: 521 1939.
Hawai`i, along rd. 17 mi from Kohala toward Waimea, ravine mauka of rd. at elevation with considerable rainfall. 14 August 1926. Degener 10253.
Holotype
[F]. Isotype(s)
[B, BISH!, HAW].