condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 6.076246666666667 3.84344 8.3297 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.6472053333333333 0.0 0.985736 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0