condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.5683966666666667 1.01607 4.24907 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.092393 0.0 0.277179 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0