condition mean min max Sterile Leaflet 3.1421933333333336 0.0 5.88677 Fertile Leaflet with Sori 0.060524999999999995 0.0 0.181575 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.60827 0.0 1.82481 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0