condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.05389433333333333 0.0 0.161683 Primary Rachis 0.092272 0.0 0.276816 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Rhizome 0.46720999999999996 0.0 1.40163 Root 2.08953 0.0 4.02896