condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.4376563333333333 0.31805 0.621853 Petiole 0.33969 0.0 1.01907 Crozier 0.0 0.0 0.0 Rhizome 0.7293056 0.0169288 1.47732 Root 2.7663276666666667 0.801423 6.21833