Dennstaedtiaceae
1. Blades usually broadly triangular, divide into three ± equal segments (ternate); sori (often absent) continuous along blade margins.
1. Blades narrowly to broadly ovate, pinnate, with a main axis; sori distinct, not continuous along margins.
Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. April 2, 2025
https://mifloradev.lsa.umich.edu/flora-demo/#/family/Dennstaedtiaceae