Flora of the Hawaiian Islands --Basionym Type Information Geranium arboreum A. Gray , U. S. Expl. Exped., Phan. 315 1854.
Maui: mountains of East Maui, near upper border of forest. 6000 ft. 1840. U. S. Expl. Exped. s.n..
Holotype
[US].
=Geranium arboreum