condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.1822133333333333 0.0 3.64863 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.23001366666666667 0.0 0.690041 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.083789 0.0 0.251367