condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.6147973333333333 0.0 1.31933 Rhizome 0.232756 0.0 0.698268 Root 5.952113333333333 0.0 9.21102