Solanum nelsonii Dunal var. acuminatum F. Br., in Christophersen & Caum, Bernice P. Bishop Mus. Bull. 81: 36 1931.
Nihoa, s.l.. 75 m. 19 June 1923. Caum 68.
Holotype
[BISH]. Isotype(s)
[BISH! [2], NY].
Solanum nelsonii Dunal var. caumii F. Br., in Christophersen & Caum, Bernice P. Bishop Mus. Bull. 81: 36 1931.
Nihoa, s.l.. 75 m. 19 June 1923. Caum 84.
Holotype
[BISH]. Isotype(s)
[BISH! [2], NY].
Solanum nelsonii Dunal var. intermedium F. Br., in Christophersen & Caum, Bernice P. Bishop Mus. Bull. 81: 35 1931.
Kure, central plain and openings nearby. 4 m. 18 April 1923. Caum 12.
Holotype
[BISH]. Isotype(s)
[BISH! [2]].
Solanum nelsonii Dunal var. thomasiaefolium Seem., J. Bot. 1: 209 1863.
Kaua`i, ("Atoi") Atooi. Nuttall.
Solanum nelsonii Dunal var. vadosum H. St. John, Phytologia 64: 170 1988.
Hawai`i, South Kona Dist., Kaulanamauna, near bay immediately before Ahuloa Pt., 35 ft. from jeep road, near sea level. 25 November 1977. Croft 110.
Holotype
[BISH]. Isotype(s)
[BISH!].