condition mean min max Sterile Leaflet 0.8478196666666667 0.188418 2.12651 Fertile Leaflet with Sori 4.454776666666667 3.20698 6.21777 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.603315 0.448765 0.776156 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0