I have the pleasure of reporting the following list of Ferns, with accompanying specimens, as observed by Miss E. W. Cathcart, of St. Paul. There are 30 species and 3 varieties.
Leonard, W. H.
The Filical Flora of Minnesota.
Journal of the Minnesota Academy of Science, Vol. 1 No.4, 303-304.
Retrieved from https://digitalcommons.morris.umn.edu/jmas/vol1/iss4/4