Clermontia grandiflora Gaudich. f. hamata E. Wimm., in Engler, Pflanzenr. IV. 276b. (Heft 106): 89 1943.
Maui, Pu`u Kukui, in swamp. 1370 m. 16 August 1933. Neal and Hartt s.n..
Holotype
[BISH]. Isotype(s)
[W!].
Clermontia grandiflora Gaudich. f. hirsutinervis (H. St. John) E. Wimm., in Engler, Pflanzenr. IV. 276b. (Heft 106): 89 1943.
Clermontia grandiflora Gaudich. f. nitida E. Wimm., in Engler, Pflanzenr. IV. 276c. (Heft 108): 828 1968.
Lana`i, Pu`u Ali`i. 14 July 1940. Ordonez s.n..
Holotype
[NY].
Clermontia grandiflora Gaudich. subsp. maxima Lammers, Syst. Bot. Monogr. 32: 77 1991.
Maui, Ko`olau Forest Reserve, along stream bank. 5400 ft. 3 August 1973. Gagné and Montgomery 386.
Holotype
[BISH].
Clermontia grandiflora Gaudich. subsp. munroi (H. St. John) Lammers, Syst. Bot. 13: 499 1988.
Clermontia grandiflora Gaudich. var. brevifolia A. Gray, Proc. Amer. Acad. Arts 5: 150 1861.
Clermontia grandiflora Gaudich. var. forbesii (H. St. John) E. Wimm., in Engler, Pflanzenr. IV. 276b. (Heft 106): 89 1943.
Clermontia grandiflora Gaudich. var. longifolia A. Gray, Proc. Amer. Acad. Arts 5: 150 1861.
O`ahu, [Ko`olau Mts. above Honolulu]. October 1836. Gaudichaud-Beaupré 144.
Lectotype
[P]. Isolectotype(s)
[P! [4]]. Lectotypified in Lammers. Syst. Bot. Monogr. 32: 38. 1991.
Clermontia grandiflora Gaudich. var. oblongifolia (Gaudich.) A. Gray, Proc. Amer. Acad. Arts 5: 150 1861.
Clermontia grandiflora Gaudich. var. subpetiolata (H. St. John) E. Wimm., in Engler, Pflanzenr. IV. 276b. (Heft 106): 90 1943.
Clermontia grandiflora Gaudich. var. vulgata E. Wimm., in Engler, Pflanzenr. IV. 276b. (Heft 106): 89 1943.
Maui, [beyond] Waikamoi. September 1910. Rock 8503.
Lectotype
[BISH]. Isotype(s)
[A!, BISH! [3], GH!, W!]. Lectotypified in Lammers. Syst. Bot. 13: 500. 1988.