condition mean min max Sterile Leaflet 0.42957333333333336 0.0 1.28872 Fertile Leaflet with Sori 5.74528 2.07326 9.64579 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.19992333333333334 0.0 0.442077 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0