Flora of the Hawaiian Islands --Basionym Type Information Geranium ovatifolium A. Gray , U. S. Expl. Exped., Phan. 314 1854.
Maui: [East Maui, Haleakala, N bank of crater]. 1840. U. S. Expl. Exped. s.n..
Note: Fosberg (Occas. Pap. Bernice P. Bishop Mus. 16(15): 339. 1942) cited the type as being at GH; though St. John (1985) took this to be a lectotypification, it was simply an error.