AppearanceInterrupted ferns have a gap in middle of the blade that is left by the fertile portions after they wither and eventually fall off.
NamingIt gets its common name from the distinct interruptions present in the center of many fronds, caused by the fertile pinnae.
DistributionInterrupted fern is very common throughout New England in the United States. It is known from eastern Asia, Canada, and the eastern United State.
HabitatForests, shores of rivers, swamps, and wetland margins.
UsesThe interrupted fern's fiddleheads are not readily edible due to their bitter taste and a tendency to cause diarrhea. It is often cultivated as an ornamental plant for use in traditional, native plant, and wildlife garden.s
CulturalThe Iroquois used the plant as treatment for blood disorders and venereal diseases.
Some text fragments are auto parsed from Wikipedia.https://gobotany.newenglandwild.org/species/osmunda/claytoniana/