Three Fossil Leaves - Green River Formation, Utah

This is three fossils from the Green River Formation, Utah. It contains a 3.9" willow (Salix) leaf, a .8" Mimosites leaflet and a 1.7" flowering plant (Planera). Mimosites are a genus in the family Mimosaceae a flowering plant in the order Fabaceae, the legumes. Planera is a genus in the Elm family. A fourth unidentified leaf is also visible.

While the Green River Formation is best know for its fish fossils, other areas produce incredible plant fossils.

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A note on Green River leaf identifications. Over 60 described leaf bearing plants have been identified from this formation, many of which have very similar leaves. We have done our best to provide identifications based on the resources available to us, but we are not paleobotany experts and cannot guarantee that all will be 100% correct.
Salix longiacuminata, Mimosites coloradensis, Planera nervosum
Uintah County, Utah
Green River Formation
3.9" salix, .8" mimosites, 1.7" planera, 9.7 x 8.0" rock
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