• Purple, yellow, gold and orange sponges and soft corals wave against a turquioise sea.

    Biscayne

    National Park Florida

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  • Boat Tours, Paddle-craft Rentals and Select Conveniences Temporarily Unavailable

    Glass-bottom, snorkel, diving and island boat tours, and rentals for canoes and other paddle-craft, are temporarily unavailable. The park is working to resolve the issue as soon as possible and regrets the inconvenience. Limited snack items are available.

Ferns

The following ferns have been documented in the park. They have been sorted alphabetically by common name. The list is not exhaustive, and documented sightings of species not on this list are welcome. Submit your sightings to the webmaster.

Aspidium fern, Thelypterus kunthii

Boston fern, Nephrolepis cordifolia

Boston swordfern, Nephrolepis exaltata

Browne's blechum, Blechum pyramidatum

Clinging snakefern, Microgramma heterophylla

Fern, Blechnum brownei

Fishtail swordfern, Nephrolepis falcata

Giant leather fern, Acrostichum danaeifolium

Golden leather fern, Acrostichum aureum

Inland Leather Fern, Acrostichum danaeifolium

Resurrection Fern, Pleopeltis polypodioides

Ribbon fern, Paltonium lanceolatum

Did You Know?

sea squirts on a mangrove root

Tunicates, or sea squirts, live on the roots of the red mangrove tree. These simple animals survive by filtering plankton out of seawater, and hold promise as the source of potent drugs used to fight tumors. Watch for them when snorkeling along Biscayne National Park's mangrove-fringed shoreline.