condition mean min max Sterile Leaflet 2.80027 1.03788 4.89521 Fertile Leaflet with Sori 0.508155 0.0 1.18974 Primary Rachis 0.3849033333333333 0.0 1.15471 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.22077899999999998 0.0 0.662337 Root 0.44162666666666667 0.0 1.32488