condition mean min max Sterile Leaflet 5.524323333333333 0.0 15.1939 Fertile Leaflet with Sori 0.13733700000000001 0.0 0.412011 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0