Dipteronia brownii McClain & Manchester. Incompletely detached mericarps from Sumner Spring, Gray Butte, Oregon, UF 00283-31375. Figure 20 in McClain, A.M. & Manchester, S.R. 2001. Dipteronia (Sapindaceae) from the Tertiary of North America and implications for the phytogeographic history of the Aceroideae. American Journal of Botany 88(7):1316-1325.