condition mean min max Sterile Leaflet 0.07890933333333333 0.0 0.236728 Fertile Leaflet with Sori 0.0231449 0.0 0.0694347 Primary Rachis 0.0042536 0.0 0.0127608 Petiole 0.0046595 0.0 0.0139785 Crozier 0.564477 0.245769 0.851009 Rhizome 2.16239 1.24637 3.90535 Root 0.005374833333333333 0.0 0.0161245