Pleurosorus

• Schaffneria
• Includes genera Asplenium
• One of a number of families into which Polypodiaceae has been subdivided in some classification systems

Wikipedia Word definitions in Wikipedia
The Aspleniaceae ( spleenworts ) is a family of ferns , included in the order Polypodiales or in some classifications as the only family in the order Aspleniales . Members of the family all have intramarginal, linear sori with a flap-like indusium arising ...