Fern Confusion (IMAGE) University of Kansas Caption The fern's "sporophyte" stage produces spores that germinate to produce the gametophytes. This sporophyte, <i>Polypodium appalachianum</i>, was named by KU researcher Christopher Haufler. Credit Christopher Haufler Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.