lobed spleenwort

Asplenium pinnatifidum

Summary 2

Asplenium pinnatifidum, commonly known as the lobed spleenwort or pinnatifid spleenwort, is a small fern found principally in the Appalachian Mountains and the Shawnee Hills, growing in rock crevices in moderately acid to subacid strata. Originally identified as a variety of walking fern (Asplenium rhizophyllum), it was classified as a separate species by Thomas Nuttall in 1818. It is believed to have originated by chromosome doubling in a hybrid between walking fern and mountain spleenwort (Asplenium...

Sources and Credits

  1. (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis
  2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Asplenium_pinnatifidum

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