condition mean min max Sterile Leaflet 2.349524666666667 0.264724 4.47213 Fertile Leaflet with Sori 2.3089899999999997 1.18188 4.45818 Primary Rachis 0.27756200000000003 0.0 0.832686 Secondary Rachis 1.1824816666666667 0.401603 2.49768 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.574605 0.0 1.04336