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 0.028565166666666666 0.0 0.0856955 Crozier 0.0 0.0 0.0 Rhizome 0.013073133333333334 0.0 0.0392194 Root 8.386925 0.104655 22.9067