Belongs to Osmunda according to R. W. Brown 1962
See also Liu et al. 1996
Sister taxa: Osmunda adiantifolia, Osmunda arctica, Osmunda bipinnata, Osmunda cervina, Osmunda cinnamomea, Osmunda claytoniana, Osmunda delawarensis, Osmunda dicksonioides, Osmunda doroschkiana, Osmunda filiculafolia, Osmunda heerii, Osmunda hirsuta, Osmunda hirta, Osmunda hollicki, 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
Ecology: "photoautotroph"
Distribution:
• Eocene of United States (1: Colorado collection)
• Paleocene of China (1), United States (2: Colorado, Montana)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.