Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Asplenium kentuckiense - Asplenium kentuckiense commonly known as Kentucky spleenwort is a rare sterile hybrid fern. It is formed by the crossing of lobed spleenwort (A. pinnatifidum) with ebony spleenwort (A. platyneuron). Found intermittently where the parent species grow together in the eastern United States it typically grows on sandstone cliffs but is known from other substrates as well.
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Plant