Belongs to Osmunda according to F. H. Knowlton 1919
See also Hickey 1977
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 hollicki, Osmunda lignita, Osmunda lunaria, 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:
• Paleocene of Canada (2: Saskatchewan collections), United States (4: Montana, North Dakota)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.