Keywords: paleobotany fossil text YELL_94341: The fossil featured here is of a large "seed fern" impression discovered within Yellowstone National Park. These plants flourished during the Cretaceous. Collecting any natural resources, including rocks and fossils, is illegal in Yellowstone. Photo by Megan Norr; March 2016; Catalog #20805d; Original #YELL_94341 YELL_94341: The fossil featured here is of a large "seed fern" impression discovered within Yellowstone National Park. These plants flourished during the Cretaceous. Collecting any natural resources, including rocks and fossils, is illegal in Yellowstone. Photo by Megan Norr; March 2016; Catalog #20805d; Original #YELL_94341 |