Bradley's Spleenwort Here

: Initially, the hybrid was sterile, but through a rare natural process of chromosome doubling, it became a fertile, independent species.

Bradley's spleenwort is a tufted perennial fern that grows in tight clusters. To identify it, look for these specific features: bradley's spleenwort

: Major threats include habitat destruction from quarrying and mining, mechanical disturbance from rock climbing, and overshading caused by invasive vines or tree growth. : Initially, the hybrid was sterile, but through

Due to its very specific habitat requirements and rare occurrence, it is considered a species of special concern in many states. the hybrid was sterile

: Research suggests that Bradley’s spleenwort has actually "formed" multiple times in different locations from independent hybridization events between its parent species. Habitat and Distribution