Bradley's Spleenwort May 2026

: It is listed as endangered in states like Illinois , Indiana, and Pennsylvania, and threatened in Ohio .

: The frond consists of 6 to 14 pairs of triangular, toothed leaflets. The lowest pair are often the largest, and they gradually decrease in size toward the tip. bradley's spleenwort

Bradley's spleenwort is highly specialized and is often referred to as an "Appalachian spleenwort". : It is listed as endangered in states

( Asplenium bradleyi ) is a rare, small evergreen fern found primarily in the east-central United States. Named after Professor Frank Howe Bradley, who first discovered it in Tennessee in 1871, it typically thrives in the specialized, harsh environment of acidic rock crevices on sandstone or granite cliffs. Key Characteristics & Identification Bradley's spleenwort is highly specialized and is often

: 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

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