General Landscape Uses:
A delicate accent fern on exposed moist limestone in rock gardens and on the banks of water features such as natural pools.
Ecological Restoration Notes:
Limited to exposed moist limestone in rockland hammocks with constantly high humidity. The lowered water table in Miami-Dade County makes this a difficult species to incorporate into restoration projects.
Grown by enthusiasts.
Medium herbaceous fern with delicate leaflets (pinnae).
About 12-18 inches in height. About as broad as tall.
Miami-Dade County; disjunct in central and northern peninsular Florida; West Indies, Central America and Venezuela.
Map of select IRC data from peninsular Florida.
Map of suggested ZIP codes north to Indian River and Manatee counties.
Map of ZIP codes with habitat recommendations north to Martin and Charlotte counties.
On moist limestone in rockland hammocks.
Moist limestone rock, with or without an accumulation of humusy material.
Moderate; can grow in nutrient poor soils, but needs some organic content to thrive.
Salt Water Tolerance:
Low; does not tolerate flooding by salt or brackish water.
Salt Wind Tolerance:
Low; salt wind may burn the leaves.
Low; requires moist substrate and high humidity and is intolerant of long periods of drought.
There are no flowers; the plants reproduce by spores.
Can be grown from spores.
Miami-Dade County Landscape Manual (2005)
In the right situations, this rock-loving fern will recruit readily in the garden. It is listed as endangered by the state of Florida.