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Asplenium ×trudellii
Asplenium × trudellii, commonly known as Trudell's spleenwort, is a rare hybrid fern of the eastern United States, first described in 1925. It is formed by the crossing of mountain spleenwort (A. montanum) with lobed spleenwort (A. pinnatifidum). Trudell's spleenwort is intermediate in form between its two parents, and is generally found near them, growing on exposed outcrops of acidic rock. While A. × trudellii is triploid and sterile, there is some evidence that it can occasionally reproduce apogamously.
It has been successfully cultivated in a pot on a mixture of acidic peat and sand.
It is known from Blairstown, New Jersey (where it is now extinct) southwest in the Appalachian Mountains through Pennsylvania, Maryland, Virginia, West Virginia, Ohio, North Carolina, Kentucky, Tennessee, Georgia and Alabama, and in the Shawnee Hills in Jackson County, Illinois. A population was discovered in Baxter County, Arkansas in 2005.
Black spleenwort · Asplenium aequibasis · Egyptian spleenwort · Asplenium anceps · Bird’s Nest Fern · Asplenium appendiculatum · Asplenium arcanum · Fern · Asplenium attenuatum · Eared Spleenwort · Bird's Nest Fern · Azorean Spleenwort
Text excerpted from the Wikipedia article Asplenium × trudellii by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
