Dubautia plantaginea Gaudich. f. occidentalis Sherff, Amer. J. Bot. 20: 617 1933.
Maui, West Maui, mountains. Mann and Brigham 365.
Holotype
[BISH]. Isotype(s)
[BISH!, GH!, MO!, NY!, US!].
Dubautia plantaginea Gaudich. subsp. humilis G. D. Carr, Allertonia 4: 80 1985.
Maui, West Maui, Black Gorge near Kennedy Profile. 350 m. 22 March 1981. Carr et al. 1154.
Holotype
[BISH]. Isotype(s)
[F!, HAW!, MO!, NY!, US!].
Dubautia plantaginea Gaudich. subsp. magnifolia (Sherff) G. D. Carr, Allertonia 4: 80 1985.
Dubautia plantaginea Gaudich. var. acridentata Sherff, Amer. J. Bot. 20: 616 1933.
Moloka`i, Maunahui Gulch. 21 March 1910. Rock 6135.
Holotype
[BISH]. Isotype(s)
[BISH! [3], F!, GH!].
Dubautia plantaginea Gaudich. var. angustifolia Sherff, Amer. J. Bot. 20: 616 1933.
O`ahu, on high mountain to the right of Pali of Nu`uanu. September 1860. Hillebrand s.n..
Holotype
[K].
Dubautia plantaginea Gaudich. var. chamissonis Sherff, Amer. J. Bot. 20: 616 1933.
O`ahu, s.l.. 1816- 1817. Chamisso s.n..
Holotype
[K]. Isotype(s)
[LE, W [photos B!, F!]].
Dubautia plantaginea Gaudich. var. glandulosa H. St. John, Bull. Torrey Bot. Club 72: 30 1945.
Maui, East Maui, Kahikinui. October 1910. Rock 8652.
Holotype
[BISH]. Isotype(s)
[BISH!, GH!, NY!].
Dubautia plantaginea Gaudich. var. laevigata (A. Gray) H. Mann, Proc. Amer. Acad. Arts 7: 175 1867.
Dubautia plantaginea Gaudich. var. pauoaensis H. St. John, Bull. Torrey Bot. Club 72: 30 1945.
O`ahu, Pauoa Valley. 8 January 1910. Rock 215.
Holotype
[BISH]. Isotype(s)
[BISH!, GH!].
Dubautia plantaginea Gaudich. var. platyphylla Hillebr., Fl. Hawaiian Isl. 222 1888.
Maui, north slope of Haleakala. 4000 ft. Lydgate s.n..
Lectotype
[B]. Isolectotype(s)
[US]. Lectotypified in Sherff. Bernice P. Bishop Mus. Bull. 135: 88. 1935.
Dubautia plantaginea Gaudich. var. strigosa Sherff, Acta Horti Gothob. 2: 277 1926.
Hawai`i, Kohala Mts., above Waimea. 1100 m. 29 September 1922. Skottsberg 733.
Holotype
[GB]. Isotype(s)
[BISH!].