condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.30305933333333335 0.0 0.844536 Crozier 0.0 0.0 0.0 Rhizome 0.235591 0.0 0.706773 Root 2.826181666666667 0.151936 8.026