condition mean min max Sterile Leaflet 7.464162666666667 0.0 21.6995 Fertile Leaflet with Sori 1.7377900000000002 0.0 3.6916 Primary Rachis 1.15797 0.133053 2.64463 Petiole 1.1599956666666666 0.0 3.20555 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0