condition mean min max Sterile Leaflet 0.20266166666666666 0.124571 0.289815 Fertile Leaflet with Sori 1.8635423333333332 0.547617 2.54091 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.3291841 0.0399246 0.862103 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0