Phyllanthus sandwicensis Müll. Arg. f. rufidus Fosberg, Occas. Pap. Bernice P. Bishop Mus. 12(15): 6. 1936.
Type information:
Holotype [BISH]. F.R. Fosberg 12410. 28 Nov 1935. Lana`i: Haalelepaakai.950m. Isotype(s) [BISH].
=Phyllanthus distichus

*Verification: None.

Phyllanthus sandwicensis Müll. Arg. f. parvifolia Wawra, . . Flora of the Hawaiian Islands --Basionym
Type Information

*Verification: None.

Phyllanthus sandwicensis Müll. Arg. , Linnaea 32: 31. 1862.
Type information:
Holotype [P]. C. Gaudichaud-Beaupré 288.

Note: Needs to be studied.

=Phyllanthus distichus
Note: Needs to be studied.

*Verification: None.

Phyllanthus sandwicensis Müll. Arg. f. degeneri (Sherff) Sherff, Brittonia 6: 335. 1948. Flora of the Hawaiian Islands --Basionym
Type Information
Phyllanthus sandwicensis Müll. Arg. var. degeneri Sherff, Field Mus. Nat. Hist., Bot. Ser. 17: 567 1939.
Moloka`i: among shrubs in windy exposed region, on cliffs overlooking Kalaupapa Leper Settlement. 18 June 1928. O. Degener 8019.
Holotype [F].
=Phyllanthus distichus

*Verification: W.L. Wagner.
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*Verification: W.L. Wagner.

Phyllanthus sandwicensis Müll. Arg. f. grandifolia Wawra, Flora 58: 149. 1875. Flora of the Hawaiian Islands --Basionym
Type Information

*Verification: None.

Phyllanthus sandwicensis Müll. Arg. var. degeneri Sherff, Field Mus. Nat. Hist., Bot. Ser. 17: 567. 1939.
Type information:
Holotype [F]. O. Degener 8019. 18 June 1928. Moloka`i: among shrubs in windy exposed region, on cliffs overlooking Kalaupapa Leper Settlement.
=Phyllanthus distichus

*Verification: W.L. Wagner.

Phyllanthus sandwicensis Müll. Arg. var. ellipticus Müll. Arg., in de Candolle, Prodr. 15: 389. 1862. Flora of the Hawaiian Islands --Basionym
Type Information

*Verification: None.

Phyllanthus sandwicensis Müll. Arg. var. hypoglaucus H. Lév., Repert Spec. Nov. Regni Veg. 10: 124. 1911. Flora of the Hawaiian Islands --Basionym
Type Information

Note: Determination that this is P. nivosus by Sherff, Field Mus. Nat. Hist., Bot. Ser. 17: 568. 1939.

*Verification: None.

Phyllanthus sandwicensis Müll. Arg. var. oblongifolius Müll. Arg., in de Candolle, Prodr. 15: 389. 1862. Flora of the Hawaiian Islands --Basionym
Type Information

*Verification: None.

Phyllanthus sandwicensis Müll. Arg. var. parviflorus Müll. Arg., in de Candolle, Prodr. 15: 389. 1862. Flora of the Hawaiian Islands --Basionym
Type Information

*Verification: None.

Phyllanthus sandwicensis Müll. Arg. var. radicans Müll. Arg., in de Candolle, Prodr. 15: 389. 1862. Flora of the Hawaiian Islands --Basionym
Type Information

*Verification: None.