condition mean min max Sterile Leaflet 2.8554133333333334 1.77999 4.26156 Fertile Leaflet with Sori 2.42909 1.07699 3.89187 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.1376476666666666 0.208243 2.07012 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0