Asplenium: Pinnatifidum

While nowhere is it "common," the Lobed Spleenwort is most prevalent in the Appalachian region . It has also been documented in: Asplenium - In Defense of Plants

( Asplenium montanum ): Contributes the deeply lobed leaf structure. asplenium pinnatifidum

Because it possesses a double set of chromosomes from both parents, it can reproduce on its own and is considered a true, distinct species rather than just a one-off cross. Identification Features While nowhere is it "common," the Lobed Spleenwort

The ( Asplenium pinnatifidum ) is a small, evergreen fern that primarily inhabits the crevices of non-calcareous rocks, such as sandstone and shale, across the Appalachian Mountains and into the Midwest. Often overlooked by casual hikers, this rare plant is a fascinating example of evolutionary biology in action, representing a stable, fertile hybrid species. A Hybrid Origin Identification Features The ( Asplenium pinnatifidum ) is