Ferns and Fern Allies of Wisconsin
Key

2. Leaves longer than 1 cm, with at least a portion of sterile leaves consisting of a blade-like structure. Ferns 2. Leaves apparently absent or shorter than 1 cm, or if longer than 1 cm, than the leaves narrow and grasslike and the plants normally growing completely submersed under water. Fern Allies

Key to ferns (start) Glossary of terms Introduction to ferns List of all Pteridophytes Contact the author Acknowledgments UW-Green Bay Herbarium homepage