Plantago princeps Cham. & Schltdl. var. denticulata Hillebr., Fl. Hawaiian Isl. 364 1888.
Syntype
Plantago princeps Cham. & Schltdl. var. hirtella A. Gray, Proc. Amer. Acad. Arts 6: 54 1862.
Kaua`i, mts. [on tabular summit]. 1840. U. S. Expl. Exped. s.n..
Holotype
[US]. Isotype(s)
[GH].
Plantago princeps Cham. & Schltdl. var. laxifolia A. Gray, Proc. Amer. Acad. Arts 6: 54 1862.
Hawai`i, [at N base of Mouna Kea, among stones at sea-side]. 1840. U. S. Expl. Exped. s.n..
Holotype
[US]. Isotype(s)
[GH].
Plantago princeps Cham. & Schltdl. var. longibracteata H. Mann, Proc. Amer. Acad. Arts 7: 189 1867.
Kaua`i, Wai`oli Valley, Hanalei, on wet rocks. 1864- 1865. Mann and Brigham 612.
Holotype
[GH].
Plantago princeps Cham. & Schltdl. var. queleniana (Gaudich.) Rock, Amer. J. Bot. 7: 199 1920.
Plantago princeps Cham. & Schltdl. var. elata Wawra, .
Plantago princeps Cham. & Schltdl. , Linnaea 1: 167 1826.
Plantago princeps Cham. & Schltdl. f. erecta Wawra, Flora 57: 565 1874.
Kaua`i, Hanalei and Hanapepe waterfalls. 1869- 1870. Wawra 2013b.
Holotype
[W].
Plantago princeps Cham. & Schltdl. var. acaulis Wawra, Flora 57: 564 1874.
O`ahu, above Pali, on clay location. 1869- 1870. Wawra 1728a.
Holotype
[W].
Plantago princeps Cham. & Schltdl. var. anomala Rock, Amer. J. Bot. 7: 203 1920.
Kaua`i, Hanapepe Valley, ridge opposite Gay and Robinson's Hanapepe Valley house. 23 July 1895. Heller 2610.
Holotype
[GH]. Isotype(s)
[A].