condition mean min max Sterile Leaflet 0.04443466666666667 0.0 0.133304 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.144083 0.137766 0.156339 Petiole 0.0 0.0 0.0 Crozier 3.6020866666666667 3.18595 4.33578 Root 2.66522 1.2848 4.46431