condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.059331 0.0 0.177993 Petiole 0.040638 0.0 0.121914 Crozier 3.27224 0.78276 6.32034 Rhizome 0.44923433333333335 0.221046 0.712021 Root 2.229163333333333 1.07648 3.90119