Calamagrostis expansa (Munro ex Hillebr.) Hitchc. , Mem. Bernice P. Bishop Mus. 8(3): 149. 1922.
*Verification: D.M. Mix.

Type Information
Basionym: Deyeuxia expansa Munro ex Hillebr. , Fl. Haw. Isl. 519 1888.
Maui, north bank of crater of Haleakala. U. S. Expl. Exped. s.n..
*Verification: None.
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