condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.09654 0.0 6.28962 Primary Rachis 0.09217233333333334 0.0 0.276517 Secondary Rachis 1.0905099999999999 0.0 3.27153 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0