Cyanea scabra Hillebr. f. sinuata (Rock) E. Wimm., in Engler, Pflanzenr. IV. 276b. (Heft 106): 66 1943.
Cyanea scabra Hillebr. var. longissima Rock, Monogr. Stud. Haw. Lobelioid. 259 1919.
Maui, East Maui, Honomanu [ditch] trail [along watercourses, northern slopes of Haleakala]. April 1911. Rock 8790.
Holotype
[BISH]. Isotype(s)
[A! [2], BISH! [5], GH!, US!].
Cyanea scabra Hillebr. var. sinuata Rock, Monogr. Stud. Haw. Lobelioid. 259 1919.
Maui, Rock, Monogr. Stud. Haw. Lobelioid. pl. 145. 1919.
Lectotype Lectotypified in Lammers. Taxon 43: 563. 1994.
Cyanea scabra Hillebr. var. variabilis Rock, Monogr. Stud. Haw. Lobelioid. 255 1919.
Maui, upper ditch trail, Kailua. 18 November 1908. Rock 10259.
Holotype
[BISH].