Phyllostegia brevidens A. Gray , Proc. Amer. Acad. Arts 5: 343. 1862 [Jan].
Type information:
Holotype [US]. U. S. Expl. Exped. s.n.. 1840. Hawai`i: [in the forest] on Mouna [Mauna] Kea.3000ft. Isotype(s) [GH].
=Phyllostegia brevidens

*Verification: Wagner, W.L. 1999. Novon 9:265-279.

Phyllostegia brevidens A. Gray var. degeneri Sherff, Amer. J. Bot. 28: 28. 1941.
Type information:
Holotype [F]. O. Degener , E. OrdoƱez and F.C. Salucop 12464. 20 August 1939. Maui: [East Maui], Haleakala, NW side of Ko`olau Gap, in fogswept jungle.6000ft. Isotype(s) [BISH!, NY [mfc!]].
=Phyllostegia ambigua

*Verification: Wagner, W.L. 1999. Novon 9:265-279.

Phyllostegia brevidens A. Gray var. expansa Sherff, Bot. Gaz. (Crawfordsville) 96: 139. 1934.
Type information:
Holotype [B]. W. Hillebrand s.n.. 1851- 1871. Maui: West Maui, [Pu`u Kukui] Mt. Eke.
=Phyllostegia ambigua

*Verification: Wagner, W.L. 1999. Novon 9:265-279.

Phyllostegia brevidens A. Gray var. heterodoxa Sherff, Amer. J. Bot. 21: 700. 1934.
Type information:
Holotype [BISH]. J. F. Rock 10014. 15 January 1912. Hawai`i: Ka`u, Na`alehu, along Hilea Trail.1600 to 3000ft. Isotype(s) [F, BISH! [2]].

Note: Locality and date from field notes.

=Phyllostegia ambigua
Note: Locality and date from field notes.

*Verification: Wagner, W.L. 1999. Novon 9:265-279.

Phyllostegia brevidens A. Gray var. hirsutula (Hillebr.) Sherff, Amer. J. Bot. 21: 699. 1934. Flora of the Hawaiian Islands --Basionym
Type Information
Phyllostegia grandiflora (Gaudich.) Benth. var. hirsutula Hillebr., Fl. Hawaiian Isl. 349 1888.
Maui: West Maui, in forests. s.d.. E. Bishop 76.
Holotype [B].
=Phyllostegia ambigua

*Verification: Wagner, W.L. 1999. Novon 9:265-279.
---------------------

Phyllostegia grandiflora (Gaudich.) Benth. var. hirsutula Hillebr., Fl. Hawaiian Isl. 349 1888.
Maui: West Maui, mauka of McGregor, rain forest. 9 March 1952. O. Degener, Tam and Tousley, & Barber 22024.
Neotype [F]. Isoneotype(s) [BISH!, US!]. Neotypified in Sherff. Bot. Leaflets 8: 18. 1953.

Note: Sherff designated Degener specimen as lectotype, but it must be taken as a neotype. Sherff should have demonstrated that there was no authentic material extant. Photo of holotype (B, presumably destroyed) at F.

=Phyllostegia ambigua
*Verification: Wagner, W.L. 1999. Novon 9:265-279.
---------------------


*Verification: Wagner, W.L. 1999. Novon 9:265-279.

Phyllostegia brevidens A. Gray, Amer. J. Bot. 21: 699. 1934. Flora of the Hawaiian Islands --Basionym
Type Information
Phyllostegia ambigua (A. Gray) Hillebr. var. longipes Hillebr., Fl. Hawaiian Isl. 350 1888.
Hawai`i. s.d.. J. M. Lydgate s.n..
Holotype [B]. Isotype(s) [BISH!, MEL [photo BISH!]].

Note: This plant is presently known only from Hawai`i, and there is strong doubt that the type was collected on Maui, although original label says "probably E. Maui."

=Phyllostegia warshaueri
*Verification: Wagner, W.L. 1999. Novon 9:265-279.
---------------------


*Verification: Wagner, W.L. 1999. Novon 9:265-279.

Phyllostegia brevidens A. Gray, Bot. Gaz. (Crawfordsville) 96: 139. 1934.
Type information:
Holotype [B]. W. Hillebrand s.n.. 1851- 1871. Maui: South Haleakala.
=Phyllostegia ambigua

*Verification: Wagner, W.L. 1999. Novon 9:265-279.

Phyllostegia brevidens A. Gray, Bot. Gaz. (Crawfordsville) 96: 138. 1934.
Type information:
Holotype [B]. J. M. Lydgate s.n.. s.d.. Maui: Upper Kula.
=Phyllostegia ambigua

*Verification: Wagner, W.L. 1999. Novon 9:265-279.

Phyllostegia brevidens A. Gray, Proc. Amer. Acad. Arts 5: 343. 1862 [Jan].
Type information:
Holotype [US]. U. S. Expl. Exped. s.n.. 1840. Maui: West Maui. Isotype(s) [GH].
=Phyllostegia ambigua

*Verification: Wagner, W.L. 1999. Novon 9:265-279.