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
Unlike many hybrids that are sterile, Asplenium pinnatifidum is a fertile . It originated from a natural cross between two other ferns:
: It typically grows in small, dense clusters directly out of cracks in shaded, damp rock faces. Where to Find It asplenium pinnatifidum
: Unlike the Walking Fern, which has smooth-edged (entire) leaves, the Lobed Spleenwort has distinct lobes along the entire length of its frond.
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 Because it possesses a double set of chromosomes
Distinguishing it from its parents requires a close look at the fronds:
: Its fronds narrow into a long, slender point, a trait inherited from the Walking Fern. Where to Find It : Unlike the Walking
( Asplenium rhizophyllum ): Contributes the long, tapering frond tips.