Eocene Green River Elderberry(?) P-GRL-16-003Family Adoxaceae(?). Green River Formation Middle Eocene Lincoln County, Wyoming This specimen is interpreted to be a cluster of berries from the family Adoxaceae (elderberry?). The example seen here is a small group of fruits still attached to the stems. This family has about 20 living species today in temperate to subtropical regions in much of the world. No fossil leaves associated with this family have been identified in the Green River Formation