Asplenium — Pinnatifidum

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

( Asplenium rhizophyllum ): Contributes the long, tapering frond tips. asplenium pinnatifidum

: It typically grows in small, dense clusters directly out of cracks in shaded, damp rock faces. Where to Find It The ( Asplenium pinnatifidum ) is a small,

: Its fronds narrow into a long, slender point, a trait inherited from the Walking Fern. such as sandstone and shale

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

( Asplenium rhizophyllum ): Contributes the long, tapering frond tips.

: It typically grows in small, dense clusters directly out of cracks in shaded, damp rock faces. Where to Find It

: Its fronds narrow into a long, slender point, a trait inherited from the Walking Fern.