condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.83126 0.0 1.41965 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.13458733333333334 0.0 0.403762 Crozier 0.0 0.0 0.0 Root 2.181728 0.738541 4.99524