: On the underside of mature fronds, you can find small, rusty-brown clusters called sori, which produce spores between June and December. Unique Hybrid Origins
: 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
: It is listed as endangered in states like Illinois , Indiana, and Pennsylvania, and threatened in Ohio . : On the underside of mature fronds, you
( 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 : It is listed as endangered in states
Bradley's spleenwort is highly specialized and is often referred to as an "Appalachian spleenwort".
: The lower half of the stalk is a distinct shiny, reddish-brown or blackish color, while the upper half (the rachis) transitions to green.