†Osmunda macrophylla Penhallow 1908 (fern)
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Belongs to Osmunda according to F. H. Knowlton 1919
See also Hickey 1977
Sister taxa: Osmunda arctica, Osmunda delawarensis, Osmunda dicksonioides, Osmunda doroschkiana, Osmunda greenlandica, Osmunda heerii, Osmunda hollicki, Osmunda lignita, Osmunda montanensis, Osmunda novaecaesarae, Osmunda obergiana, Osmunda occidentale, Osmunda spectabilis, Osmunda sphenopteroides
Distribution:
• Clarkforkian of United States (2: North Dakota collections)
• Paleocene of Canada (2: Saskatchewan), United States (2: Montana, North Dakota)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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