condition mean min max Sterile Leaflet 2.7639196666666668 0.424539 5.47724 Fertile Leaflet with Sori 11.72527 1.7858 25.3344 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 6.264376666666667 0.0 13.0677 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0