Infructescence of Trochodendron sp. Figure 29 in Manchester, S.R., P.R. Crane and D.L. Dilcher 1991. Nordenskioldia and Trochodendron (Trochodendraceae) from the Miocene of northwestern North America. Botanical Gazatte 152:357-368. Correction: this is from Emerald Creek (UIMM loc P37)–Not Clarkia as stated in the figure caption.