condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.042928 0.0 0.128784 Rhizome 0.19249433333333332 0.0 0.577483 Root 4.401866666666667 0.0 13.2056