Synthetic and wild Asplenium gravesii

Asplenium × boydstoniae

Asplenium × boydstoniae, commonly known as Boydston's spleenwort, is a rare, sterile, hybrid fern.

Asplenium × trudellii

Asplenium × trudellii, commonly known as Trudell's spleenwort, is a rare hybrid fern of the eastern United States, first described in 1925.

Asplenium × kentuckiense

Asplenium × kentuckiense, commonly known as Kentucky spleenwort, is a rare, sterile, hybrid fern.

Asplenium pinnatifidum

Asplenium pinnatifidum, commonly known as the lobed spleenwort or pinnatifid spleenwort, is a small fern found principally in the Appalachian Mountains and the Shawnee…