Dubautia scabra (DC.) D.D. Keck , Occas. Pap. Bernice P. Bishop Mus. 11(19): 26. 1936.
*Verification: D.M. Mix.

Type Information
Basionym: Railliardia scabra DC. , Prodr. 6: 441 1838.
June 1825. Macrae s.n..
Lectotype [G-DEL]. Isolectotype(s) [G-DC, microfiche!, GH! [photo F!], fragment of B at BISH!]. Lectotypified in Sherff. Bernice P. Bishop Mus. Bull. 135: 112. 1935.
Note: As "Raillardia".
*Verification: None.
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Basionym: Railliardia scabra DC. var. hispidula A. Gray, Proc. Amer. Acad. Arts 5: 133 1861.
Hawai`i, Hilo. 1840. U. S. Expl. Exped. s.n..
Holotype [US].

Note: As "Raillardia". Photo of holotype at F!.
*Verification: None.
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Basionym: Railliardia scabra DC. var. leiophylla A. Gray, Proc. Amer. Acad. Arts 5: 133 1861.
Maui, East Maui. 1840. U. S. Expl. Exped. s.n..
Holotype [US]. Isotype(s) [GH! [photo F!]].

Note: As "Raillardia". St. John's (1985) lectotypification is superfluous.
*Verification: R.K. Shannon, W.L. Wagner; Carr, G.D. 1985. Allertonia 4:1-123.
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Basionym: Railliardia scabra DC. var. munroi Sherff, Amer. J. Bot. 20: 619 1933.
Maui, East Maui, Haleakala Ranch pipe line, edge of thick forest. 4250 ft. 23 November 1927. Munro 747.
Holotype [BISH]. Isotype(s) [BISH! [2], F!].

Note: As "Raillardia."
*Verification: R.K. Shannon.
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