Ferns and Fern Allies of Wisconsin

1. Plants free-floating on the surface of water, not attached to the bottom. Two tiny species of aquatic ferns, treated only briefly here   Azolla
1. Plants attached to soil or rocks, habitat dry, wet or even submersed, but plants not normally floating.   2

Key to ferns
Glossary of terms
Introduction to ferns
List of all Pteridophytes

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