1. Rachis of blade glabrous, rarely with a few scattered long, curly hairs.
1. Rachis of blade clearly finely short-hairy.
All species found in Pellaea
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 13, 2017. http://www.michiganflora.net/genus.aspx?id=Pellaea.