Common Names: Marsh Fern
Family: Blechnaceae (formerly
Habit: Blechnum serrulatum
grows from a rhizome that is up to 1 cm thick. The rhizome is covered
with brown/black scales. The fronds are arranged in groups of 2 or 3,
are up to 1 meter in length and are pinnately compound. There are
15-25 pinnae alternately arranged, oblong with an acute apex and a
serrate pinnae margin.
The sporangia occur in elongated sori
along the center of the pinnae on the mid vein from the pinnae apex
to the rachis.
serrulatum grows in Cladium jamaicense (Saw Grass)
wetlands (on Cladium stumps) and very wet Dry Broadleaf
Distribution in Bahamas/Globally:
Blechnum serrulatum occurs in the northern pine islands of
the Bahamian Archipelago as well as south Florida, the entire
Caribbean region and Mexico south to Central America.
Blechnum serrulatum is not used medicinally in the