condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.35345 0.0 1.06035 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 10.268163333333334 2.57665 24.6878 Root 0.20733266666666667 0.0 0.505544