condition mean min max Sterile Leaflet 1.2454 0.256119 2.63749 Fertile Leaflet with Sori 5.578693333333334 4.20912 7.99182 Primary Rachis 0.09157333333333334 0.0 0.27472 Petiole 0.0 0.0 0.0 Crozier 0.165653 0.0 0.257706 Rhizome 0.00137769 0.0 0.00413307 Root 0.0 0.0 0.0