condition mean min max Sterile Leaflet 5.625362999999999 0.0 16.499 Fertile Leaflet with Sori 0.77095 0.0 2.31285 Primary Rachis 1.5703500000000001 0.0 4.71105 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