condition mean min max Sterile Leaflet 0.587685 0.0 0.909038 Fertile Leaflet with Sori 0.926568 0.275853 1.65428 Primary Rachis 3.6471083333333336 0.934845 7.13604 Petiole 0.350131 0.0 0.795792 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0