Polypodiopsida - Polypodiales - Polypodiidae
Full reference: F. H. Knowlton. 1899. Fossil Flora of the Yellowstone National Park. USGS Monograph Series 32(2)
Belongs to Asplenium according to F. H. Knowlton 1919
See also Knowlton 1899
Sister taxa: Asplenium albertum, Asplenium cecilensis, Asplenium coloradense, Asplenium crossii, Asplenium dicksonianum, Asplenium dubium, Asplenium eolignitica, Asplenium foersteri, Asplenium haguei, Asplenium hurleyensis, Asplenium iddingsi, Asplenium issiacense, Asplenium jerseyensis, Asplenium magnum, Asplenium martinianum, Asplenium neomexicanum, Asplenium niobrara, Asplenium primero, Asplenium raritanense, Asplenium subcretaceum, Asplenium tenellum, Asplenium wyomingense
Distribution: found only at Yellowstone River, half a mile below mouth of Elk Creek (Eocene of Wyoming)
Specimen images are retrieved through the ePANDDA API.
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