Belongs to Osmunda according to F. H. Knowlton 1919
Sister taxa: Osmunda adiantifolia, Osmunda arctica, Osmunda bipinnata, Osmunda cervina, Osmunda cinnamomea, Osmunda claytoniana, Osmunda delawarensis, Osmunda dicksonioides, Osmunda doroschkiana, Osmunda filiculafolia, Osmunda greenlandica, Osmunda heerii, Osmunda hirsuta, Osmunda hirta, Osmunda lignita, Osmunda lunaria, Osmunda macrophylla, Osmunda montanensis, Osmunda novaecaesarae, Osmunda obergiana, Osmunda occidentale, Osmunda phyllitidis, Osmunda regalis, Osmunda spectabilis, Osmunda sphenopteroides, Osmunda spicant, Osmunda struthiopteris, Osmunda verticillata, Osmunda virginiana, Osmunda zeylanica
Distribution: found only at Fox Hills (Cretaceous of North Dakota)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.