condition mean min max Sterile Leaflet 0.7345003333333333 0.0 1.67443 Fertile Leaflet with Sori 2.699168666666667 0.679838 6.44371 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.76536 0.0 1.16243 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0